diff options
Diffstat (limited to 'drivers/video/fbdev')
156 files changed, 1113 insertions, 2497 deletions
diff --git a/drivers/video/fbdev/68328fb.c b/drivers/video/fbdev/68328fb.c index d48e96088f76..9811f1bad8d4 100644 --- a/drivers/video/fbdev/68328fb.c +++ b/drivers/video/fbdev/68328fb.c @@ -96,7 +96,7 @@ static int mc68x328fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info); static int mc68x328fb_mmap(struct fb_info *info, struct vm_area_struct *vma); -static struct fb_ops mc68x328fb_ops = { +static const struct fb_ops mc68x328fb_ops = { .fb_check_var = mc68x328fb_check_var, .fb_set_par = mc68x328fb_set_par, .fb_setcolreg = mc68x328fb_setcolreg, @@ -405,20 +405,8 @@ static int mc68x328fb_mmap(struct fb_info *info, struct vm_area_struct *vma) int __init mc68x328fb_setup(char *options) { -#if 0 - char *this_opt; -#endif - if (!options || !*options) return 1; -#if 0 - while ((this_opt = strsep(&options, ",")) != NULL) { - if (!*this_opt) - continue; - if (!strncmp(this_opt, "disable", 7)) - mc68x328fb_enable = 0; - } -#endif return 1; } diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 6b2de93bd302..f65991a67af2 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -1924,20 +1924,6 @@ config FB_S3C2410_DEBUG Turn on debugging messages. Note that you can set/unset at run time through sysfs -config FB_NUC900 - tristate "NUC900 LCD framebuffer support" - depends on FB && ARCH_W90X900 - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - ---help--- - Frame buffer driver for the built-in LCD controller in the Nuvoton - NUC900 processor - -config GPM1040A0_320X240 - bool "Giantplus Technology GPM1040A0 320x240 Color TFT LCD" - depends on FB_NUC900 - config FB_SM501 tristate "Silicon Motion SM501 framebuffer support" depends on FB && MFD_SM501 @@ -2211,15 +2197,6 @@ config FB_BROADSHEET and could also have been called by other names when coupled with a bridge adapter. -config FB_JZ4740 - tristate "JZ4740 LCD framebuffer support" - depends on FB && MACH_JZ4740 - select FB_SYS_FILLRECT - select FB_SYS_COPYAREA - select FB_SYS_IMAGEBLIT - help - Framebuffer support for the JZ4740 SoC. - config FB_PUV3_UNIGFX tristate "PKUnity v3 Unigfx framebuffer support" depends on FB && UNICORE32 && ARCH_PUV3 @@ -2237,6 +2214,8 @@ config FB_HYPERV select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_DEFERRED_IO + select DMA_CMA if HAVE_DMA_CONTIGUOUS && CMA help This framebuffer driver supports Microsoft Hyper-V Synthetic Video. diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index 7dc4861a93e6..aa6352798cf4 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -116,8 +116,6 @@ obj-y += omap2/ obj-$(CONFIG_XEN_FBDEV_FRONTEND) += xen-fbfront.o obj-$(CONFIG_FB_CARMINE) += carminefb.o obj-$(CONFIG_FB_MB862XX) += mb862xx/ -obj-$(CONFIG_FB_NUC900) += nuc900fb.o -obj-$(CONFIG_FB_JZ4740) += jz4740_fb.o obj-$(CONFIG_FB_PUV3_UNIGFX) += fb-puv3.o obj-$(CONFIG_FB_HYPERV) += hyperv_fb.o obj-$(CONFIG_FB_OPENCORES) += ocfb.o diff --git a/drivers/video/fbdev/acornfb.c b/drivers/video/fbdev/acornfb.c index 92f23e3bc27a..a3af49529173 100644 --- a/drivers/video/fbdev/acornfb.c +++ b/drivers/video/fbdev/acornfb.c @@ -604,7 +604,7 @@ acornfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) return 0; } -static struct fb_ops acornfb_ops = { +static const struct fb_ops acornfb_ops = { .owner = THIS_MODULE, .fb_check_var = acornfb_check_var, .fb_set_par = acornfb_set_par, @@ -858,6 +858,7 @@ static void acornfb_parse_dram(char *opt) case 'M': case 'm': size *= 1024; + /* Fall through */ case 'K': case 'k': size *= 1024; diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c index 89324e42a033..c3d55fc6c4e0 100644 --- a/drivers/video/fbdev/amba-clcd.c +++ b/drivers/video/fbdev/amba-clcd.c @@ -423,7 +423,7 @@ static int clcdfb_mmap(struct fb_info *info, return ret; } -static struct fb_ops clcdfb_ops = { +static const struct fb_ops clcdfb_ops = { .owner = THIS_MODULE, .fb_check_var = clcdfb_check_var, .fb_set_par = clcdfb_set_par, @@ -561,8 +561,10 @@ static int clcdfb_of_get_dpi_panel_mode(struct device_node *node, struct videomode video; err = of_get_display_timing(node, "panel-timing", &timing); - if (err) + if (err) { + pr_err("%pOF: problems parsing panel-timing (%d)\n", node, err); return err; + } videomode_from_timing(&timing, &video); diff --git a/drivers/video/fbdev/amifb.c b/drivers/video/fbdev/amifb.c index 91ddc9602014..20e03e00b66d 100644 --- a/drivers/video/fbdev/amifb.c +++ b/drivers/video/fbdev/amifb.c @@ -3493,7 +3493,7 @@ static irqreturn_t amifb_interrupt(int irq, void *dev_id) } -static struct fb_ops amifb_ops = { +static const struct fb_ops amifb_ops = { .owner = THIS_MODULE, .fb_check_var = amifb_check_var, .fb_set_par = amifb_set_par, diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c index a48741aab240..314ab82e01c0 100644 --- a/drivers/video/fbdev/arcfb.c +++ b/drivers/video/fbdev/arcfb.c @@ -491,7 +491,7 @@ static ssize_t arcfb_write(struct fb_info *info, const char __user *buf, return err; } -static struct fb_ops arcfb_ops = { +static const struct fb_ops arcfb_ops = { .owner = THIS_MODULE, .fb_open = arcfb_open, .fb_read = fb_sys_read, diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c index f940e8b66b85..11ab9a153860 100644 --- a/drivers/video/fbdev/arkfb.c +++ b/drivers/video/fbdev/arkfb.c @@ -917,7 +917,7 @@ static int arkfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info /* Frame buffer operations */ -static struct fb_ops arkfb_ops = { +static const struct fb_ops arkfb_ops = { .owner = THIS_MODULE, .fb_open = arkfb_open, .fb_release = arkfb_release, diff --git a/drivers/video/fbdev/asiliantfb.c b/drivers/video/fbdev/asiliantfb.c index ea31054a28ca..3e006da47752 100644 --- a/drivers/video/fbdev/asiliantfb.c +++ b/drivers/video/fbdev/asiliantfb.c @@ -95,7 +95,7 @@ static int asiliantfb_set_par(struct fb_info *info); static int asiliantfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info); -static struct fb_ops asiliantfb_ops = { +static const struct fb_ops asiliantfb_ops = { .owner = THIS_MODULE, .fb_check_var = asiliantfb_check_var, .fb_set_par = asiliantfb_set_par, diff --git a/drivers/video/fbdev/atafb.c b/drivers/video/fbdev/atafb.c index fc9dfb0a95af..51f5d1c56fd9 100644 --- a/drivers/video/fbdev/atafb.c +++ b/drivers/video/fbdev/atafb.c @@ -763,17 +763,17 @@ static void tt_get_par(struct atafb_par *par) { unsigned long addr; par->hw.tt.mode = shifter_tt.tt_shiftmode; - par->hw.tt.sync = shifter.syncmode; - addr = ((shifter.bas_hi & 0xff) << 16) | - ((shifter.bas_md & 0xff) << 8) | - ((shifter.bas_lo & 0xff)); + par->hw.tt.sync = shifter_st.syncmode; + addr = ((shifter_st.bas_hi & 0xff) << 16) | + ((shifter_st.bas_md & 0xff) << 8) | + ((shifter_st.bas_lo & 0xff)); par->screen_base = atari_stram_to_virt(addr); } static void tt_set_par(struct atafb_par *par) { shifter_tt.tt_shiftmode = par->hw.tt.mode; - shifter.syncmode = par->hw.tt.sync; + shifter_st.syncmode = par->hw.tt.sync; /* only set screen_base if really necessary */ if (current_par.screen_base != par->screen_base) fbhw->set_screen_base(par->screen_base); @@ -1543,7 +1543,7 @@ static void falcon_get_par(struct atafb_par *par) hw->f_shift = videl.f_shift; hw->vid_control = videl.control; hw->vid_mode = videl.mode; - hw->sync = shifter.syncmode & 0x1; + hw->sync = shifter_st.syncmode & 0x1; hw->xoffset = videl.xoffset & 0xf; hw->hht = videl.hht; hw->hbb = videl.hbb; @@ -1558,9 +1558,9 @@ static void falcon_get_par(struct atafb_par *par) hw->vde = videl.vde; hw->vss = videl.vss; - addr = (shifter.bas_hi & 0xff) << 16 | - (shifter.bas_md & 0xff) << 8 | - (shifter.bas_lo & 0xff); + addr = (shifter_st.bas_hi & 0xff) << 16 | + (shifter_st.bas_md & 0xff) << 8 | + (shifter_st.bas_lo & 0xff); par->screen_base = atari_stram_to_virt(addr); /* derived parameters */ @@ -1605,7 +1605,7 @@ static irqreturn_t falcon_vbl_switcher(int irq, void *dummy) /* Turn off external clocks. Read sets all output bits to 1. */ *(volatile unsigned short *)0xffff9202; } - shifter.syncmode = hw->sync; + shifter_st.syncmode = hw->sync; videl.hht = hw->hht; videl.hbb = hw->hbb; @@ -1952,18 +1952,18 @@ static void stste_get_par(struct atafb_par *par) { unsigned long addr; par->hw.st.mode = shifter_tt.st_shiftmode; - par->hw.st.sync = shifter.syncmode; - addr = ((shifter.bas_hi & 0xff) << 16) | - ((shifter.bas_md & 0xff) << 8); + par->hw.st.sync = shifter_st.syncmode; + addr = ((shifter_st.bas_hi & 0xff) << 16) | + ((shifter_st.bas_md & 0xff) << 8); if (ATARIHW_PRESENT(EXTD_SHIFTER)) - addr |= (shifter.bas_lo & 0xff); + addr |= (shifter_st.bas_lo & 0xff); par->screen_base = atari_stram_to_virt(addr); } static void stste_set_par(struct atafb_par *par) { shifter_tt.st_shiftmode = par->hw.st.mode; - shifter.syncmode = par->hw.st.sync; + shifter_st.syncmode = par->hw.st.sync; /* only set screen_base if really necessary */ if (current_par.screen_base != par->screen_base) fbhw->set_screen_base(par->screen_base); @@ -2018,10 +2018,10 @@ static void stste_set_screen_base(void *s_base) unsigned long addr; addr = atari_stram_to_phys(s_base); /* Setup Screen Memory */ - shifter.bas_hi = (unsigned char)((addr & 0xff0000) >> 16); - shifter.bas_md = (unsigned char)((addr & 0x00ff00) >> 8); + shifter_st.bas_hi = (unsigned char)((addr & 0xff0000) >> 16); + shifter_st.bas_md = (unsigned char)((addr & 0x00ff00) >> 8); if (ATARIHW_PRESENT(EXTD_SHIFTER)) - shifter.bas_lo = (unsigned char)(addr & 0x0000ff); + shifter_st.bas_lo = (unsigned char)(addr & 0x0000ff); } #endif /* ATAFB_STE */ @@ -2265,9 +2265,9 @@ static void set_screen_base(void *s_base) addr = atari_stram_to_phys(s_base); /* Setup Screen Memory */ - shifter.bas_hi = (unsigned char)((addr & 0xff0000) >> 16); - shifter.bas_md = (unsigned char)((addr & 0x00ff00) >> 8); - shifter.bas_lo = (unsigned char)(addr & 0x0000ff); + shifter_st.bas_hi = (unsigned char)((addr & 0xff0000) >> 16); + shifter_st.bas_md = (unsigned char)((addr & 0x00ff00) >> 8); + shifter_st.bas_lo = (unsigned char)(addr & 0x0000ff); } static int pan_display(struct fb_var_screeninfo *var, struct fb_info *info) diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index 5ff8e0320d95..d567f5d56c13 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -824,7 +824,7 @@ static int atmel_lcdfb_blank(int blank_mode, struct fb_info *info) return ((blank_mode == FB_BLANK_NORMAL) ? 1 : 0); } -static struct fb_ops atmel_lcdfb_ops = { +static const struct fb_ops atmel_lcdfb_ops = { .owner = THIS_MODULE, .fb_check_var = atmel_lcdfb_check_var, .fb_set_par = atmel_lcdfb_set_par, diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c index 8504e19437ff..d7e41c8dd533 100644 --- a/drivers/video/fbdev/aty/aty128fb.c +++ b/drivers/video/fbdev/aty/aty128fb.c @@ -487,11 +487,6 @@ static int aty128_encode_var(struct fb_var_screeninfo *var, const struct aty128fb_par *par); static int aty128_decode_var(struct fb_var_screeninfo *var, struct aty128fb_par *par); -#if 0 -static void aty128_get_pllinfo(struct aty128fb_par *par, void __iomem *bios); -static void __iomem *aty128_map_ROM(struct pci_dev *pdev, - const struct aty128fb_par *par); -#endif static void aty128_timings(struct aty128fb_par *par); static void aty128_init_engine(struct aty128fb_par *par); static void aty128_reset_engine(const struct aty128fb_par *par); @@ -514,7 +509,7 @@ static void aty128_bl_set_power(struct fb_info *info, int power); (readb(bios + (v) + 3) << 24)) -static struct fb_ops aty128fb_ops = { +static const struct fb_ops aty128fb_ops = { .owner = THIS_MODULE, .fb_check_var = aty128fb_check_var, .fb_set_par = aty128fb_set_par, @@ -1665,19 +1660,6 @@ static void aty128_st_pal(u_int regno, u_int red, u_int green, u_int blue, struct aty128fb_par *par) { if (par->chip_gen == rage_M3) { -#if 0 - /* Note: For now, on M3, we set palette on both heads, which may - * be useless. Can someone with a M3 check this ? - * - * This code would still be useful if using the second CRTC to - * do mirroring - */ - - aty_st_le32(DAC_CNTL, aty_ld_le32(DAC_CNTL) | - DAC_PALETTE_ACCESS_CNTL); - aty_st_8(PALETTE_INDEX, regno); - aty_st_le32(PALETTE_DATA, (red<<16)|(green<<8)|blue); -#endif aty_st_le32(DAC_CNTL, aty_ld_le32(DAC_CNTL) & ~DAC_PALETTE_ACCESS_CNTL); } diff --git a/drivers/video/fbdev/aty/atyfb.h b/drivers/video/fbdev/aty/atyfb.h index e5a347c58180..a7833bc98225 100644 --- a/drivers/video/fbdev/aty/atyfb.h +++ b/drivers/video/fbdev/aty/atyfb.h @@ -341,7 +341,7 @@ extern const u8 aty_postdividers[8]; * Hardware cursor support */ -extern int aty_init_cursor(struct fb_info *info); +extern int aty_init_cursor(struct fb_info *info, struct fb_ops *atyfb_ops); /* * Hardware acceleration diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c index 72bcfbe42e49..175d2598f28e 100644 --- a/drivers/video/fbdev/aty/atyfb_base.c +++ b/drivers/video/fbdev/aty/atyfb_base.c @@ -48,7 +48,7 @@ ******************************************************************************/ - +#include <linux/compat.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> @@ -235,6 +235,13 @@ static int atyfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info); static int atyfb_blank(int blank, struct fb_info *info); static int atyfb_ioctl(struct fb_info *info, u_int cmd, u_long arg); +#ifdef CONFIG_COMPAT +static int atyfb_compat_ioctl(struct fb_info *info, u_int cmd, u_long arg) +{ + return atyfb_ioctl(info, cmd, (u_long)compat_ptr(arg)); +} +#endif + #ifdef __sparc__ static int atyfb_mmap(struct fb_info *info, struct vm_area_struct *vma); #endif @@ -290,6 +297,9 @@ static struct fb_ops atyfb_ops = { .fb_pan_display = atyfb_pan_display, .fb_blank = atyfb_blank, .fb_ioctl = atyfb_ioctl, +#ifdef CONFIG_COMPAT + .fb_compat_ioctl = atyfb_compat_ioctl, +#endif .fb_fillrect = atyfb_fillrect, .fb_copyarea = atyfb_copyarea, .fb_imageblit = atyfb_imageblit, @@ -1188,19 +1198,6 @@ static int aty_crtc_to_var(const struct crtc *crtc, (c_sync ? FB_SYNC_COMP_HIGH_ACT : 0); switch (pix_width) { -#if 0 - case CRTC_PIX_WIDTH_4BPP: - bpp = 4; - var->red.offset = 0; - var->red.length = 8; - var->green.offset = 0; - var->green.length = 8; - var->blue.offset = 0; - var->blue.length = 8; - var->transp.offset = 0; - var->transp.length = 0; - break; -#endif case CRTC_PIX_WIDTH_8BPP: bpp = 8; var->red.offset = 0; @@ -1329,10 +1326,10 @@ static int atyfb_set_par(struct fb_info *info) par->accel_flags = var->accel_flags; /* hack */ if (var->accel_flags) { - info->fbops->fb_sync = atyfb_sync; + atyfb_ops.fb_sync = atyfb_sync; info->flags &= ~FBINFO_HWACCEL_DISABLED; } else { - info->fbops->fb_sync = NULL; + atyfb_ops.fb_sync = NULL; info->flags |= FBINFO_HWACCEL_DISABLED; } @@ -1466,11 +1463,6 @@ static int atyfb_set_par(struct fb_info *info) var->bits_per_pixel, par->crtc.vxres * var->bits_per_pixel / 8); #endif /* CONFIG_BOOTX_TEXT */ -#if 0 - /* switch to accelerator mode */ - if (!(par->crtc.gen_cntl & CRTC_EXT_DISP_EN)) - aty_st_le32(CRTC_GEN_CNTL, par->crtc.gen_cntl | CRTC_EXT_DISP_EN, par); -#endif #ifdef DEBUG { /* dump non shadow CRTC, pll, LCD registers */ @@ -2396,17 +2388,6 @@ static int aty_init(struct fb_info *info) par->pll_ops = &aty_pll_ibm514; break; #endif -#if 0 /* dead code */ - case CLK_STG1703: - par->pll_ops = &aty_pll_stg1703; - break; - case CLK_CH8398: - par->pll_ops = &aty_pll_ch8398; - break; - case CLK_ATT20C408: - par->pll_ops = &aty_pll_att20c408; - break; -#endif default: PRINTKI("aty_init: CLK type not implemented yet!"); par->pll_ops = &aty_pll_unsupported; @@ -2731,7 +2712,7 @@ static int aty_init(struct fb_info *info) #ifdef CONFIG_FB_ATY_CT if (!noaccel && M64_HAS(INTEGRATED)) - aty_init_cursor(info); + aty_init_cursor(info, &atyfb_ops); #endif /* CONFIG_FB_ATY_CT */ info->var = var; diff --git a/drivers/video/fbdev/aty/mach64_cursor.c b/drivers/video/fbdev/aty/mach64_cursor.c index 4cde25eab8e8..b06fa6e42e6e 100644 --- a/drivers/video/fbdev/aty/mach64_cursor.c +++ b/drivers/video/fbdev/aty/mach64_cursor.c @@ -194,7 +194,7 @@ static int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor) return 0; } -int aty_init_cursor(struct fb_info *info) +int aty_init_cursor(struct fb_info *info, struct fb_ops *atyfb_ops) { unsigned long addr; @@ -219,7 +219,7 @@ int aty_init_cursor(struct fb_info *info) info->sprite.buf_align = 16; /* and 64 lines tall. */ info->sprite.flags = FB_PIXMAP_IO; - info->fbops->fb_cursor = atyfb_cursor; + atyfb_ops->fb_cursor = atyfb_cursor; return 0; } diff --git a/drivers/video/fbdev/aty/radeon_base.c b/drivers/video/fbdev/aty/radeon_base.c index 6f891d82eebe..3af00e3b965e 100644 --- a/drivers/video/fbdev/aty/radeon_base.c +++ b/drivers/video/fbdev/aty/radeon_base.c @@ -1965,7 +1965,7 @@ static int radeonfb_set_par(struct fb_info *info) } -static struct fb_ops radeonfb_ops = { +static const struct fb_ops radeonfb_ops = { .owner = THIS_MODULE, .fb_check_var = radeonfb_check_var, .fb_set_par = radeonfb_set_par, @@ -2217,8 +2217,7 @@ static ssize_t radeon_show_edid1(struct file *filp, struct kobject *kobj, char *buf, loff_t off, size_t count) { struct device *dev = container_of(kobj, struct device, kobj); - struct pci_dev *pdev = to_pci_dev(dev); - struct fb_info *info = pci_get_drvdata(pdev); + struct fb_info *info = dev_get_drvdata(dev); struct radeonfb_info *rinfo = info->par; return radeon_show_one_edid(buf, off, count, rinfo->mon1_EDID); @@ -2230,8 +2229,7 @@ static ssize_t radeon_show_edid2(struct file *filp, struct kobject *kobj, char *buf, loff_t off, size_t count) { struct device *dev = container_of(kobj, struct device, kobj); - struct pci_dev *pdev = to_pci_dev(dev); - struct fb_info *info = pci_get_drvdata(pdev); + struct fb_info *info = dev_get_drvdata(dev); struct radeonfb_info *rinfo = info->par; return radeon_show_one_edid(buf, off, count, rinfo->mon2_EDID); diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c index 2dc5703eac51..7c4483c7f313 100644 --- a/drivers/video/fbdev/aty/radeon_pm.c +++ b/drivers/video/fbdev/aty/radeon_pm.c @@ -2593,7 +2593,7 @@ static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) * calling pci_set_power_state() */ radeonfb_whack_power_state(rinfo, PCI_D2); - __pci_complete_power_transition(rinfo->pdev, PCI_D2); + pci_platform_power_transition(rinfo->pdev, PCI_D2); } else { printk(KERN_DEBUG "radeonfb (%s): switching to D0 state...\n", pci_name(rinfo->pdev)); diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c index 99941ae1f3a1..37a6512feda0 100644 --- a/drivers/video/fbdev/au1100fb.c +++ b/drivers/video/fbdev/au1100fb.c @@ -348,7 +348,7 @@ int au1100fb_fb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) fbdev->fb_len); } -static struct fb_ops au1100fb_ops = +static const struct fb_ops au1100fb_ops = { .owner = THIS_MODULE, .fb_setcolreg = au1100fb_fb_setcolreg, diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c index 26caffb02b7e..c00e01a17368 100644 --- a/drivers/video/fbdev/au1200fb.c +++ b/drivers/video/fbdev/au1200fb.c @@ -1234,7 +1234,7 @@ static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) struct au1200fb_device *fbdev = info->par; return dma_mmap_attrs(fbdev->dev, vma, fbdev->fb_mem, fbdev->fb_phys, - fbdev->fb_len, DMA_ATTR_NON_CONSISTENT); + fbdev->fb_len, 0); } static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) @@ -1483,7 +1483,7 @@ static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd, } -static struct fb_ops au1200fb_fb_ops = { +static const struct fb_ops au1200fb_fb_ops = { .owner = THIS_MODULE, .fb_check_var = au1200fb_fb_check_var, .fb_set_par = au1200fb_fb_set_par, @@ -1692,8 +1692,7 @@ static int au1200fb_drv_probe(struct platform_device *dev) fbdev->fb_mem = dmam_alloc_attrs(&dev->dev, PAGE_ALIGN(fbdev->fb_len), - &fbdev->fb_phys, GFP_KERNEL, - DMA_ATTR_NON_CONSISTENT); + &fbdev->fb_phys, GFP_KERNEL, 0); if (!fbdev->fb_mem) { print_err("fail to allocate framebuffer (size: %dK))", fbdev->fb_len / 1024); diff --git a/drivers/video/fbdev/broadsheetfb.c b/drivers/video/fbdev/broadsheetfb.c index d6ba348deb9f..fd66f4d4a621 100644 --- a/drivers/video/fbdev/broadsheetfb.c +++ b/drivers/video/fbdev/broadsheetfb.c @@ -1048,7 +1048,7 @@ static ssize_t broadsheetfb_write(struct fb_info *info, const char __user *buf, return (err) ? err : count; } -static struct fb_ops broadsheetfb_ops = { +static const struct fb_ops broadsheetfb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = broadsheetfb_write, diff --git a/drivers/video/fbdev/bw2.c b/drivers/video/fbdev/bw2.c index 436f10f3d375..0d9a6bb57a09 100644 --- a/drivers/video/fbdev/bw2.c +++ b/drivers/video/fbdev/bw2.c @@ -37,7 +37,7 @@ static int bw2_ioctl(struct fb_info *, unsigned int, unsigned long); * Frame buffer operations */ -static struct fb_ops bw2_ops = { +static const struct fb_ops bw2_ops = { .owner = THIS_MODULE, .fb_blank = bw2_blank, .fb_fillrect = cfb_fillrect, diff --git a/drivers/video/fbdev/c2p_core.h b/drivers/video/fbdev/c2p_core.h index e1035a865fb9..45a6d895a7d7 100644 --- a/drivers/video/fbdev/c2p_core.h +++ b/drivers/video/fbdev/c2p_core.h @@ -29,7 +29,7 @@ static inline void _transp(u32 d[], unsigned int i1, unsigned int i2, extern void c2p_unsupported(void); -static inline u32 get_mask(unsigned int n) +static __always_inline u32 get_mask(unsigned int n) { switch (n) { case 1: @@ -57,7 +57,7 @@ static inline u32 get_mask(unsigned int n) * Transpose operations on 8 32-bit words */ -static inline void transp8(u32 d[], unsigned int n, unsigned int m) +static __always_inline void transp8(u32 d[], unsigned int n, unsigned int m) { u32 mask = get_mask(n); @@ -99,7 +99,7 @@ static inline void transp8(u32 d[], unsigned int n, unsigned int m) * Transpose operations on 4 32-bit words */ -static inline void transp4(u32 d[], unsigned int n, unsigned int m) +static __always_inline void transp4(u32 d[], unsigned int n, unsigned int m) { u32 mask = get_mask(n); @@ -126,7 +126,7 @@ static inline void transp4(u32 d[], unsigned int n, unsigned int m) * Transpose operations on 4 32-bit words (reverse order) */ -static inline void transp4x(u32 d[], unsigned int n, unsigned int m) +static __always_inline void transp4x(u32 d[], unsigned int n, unsigned int m) { u32 mask = get_mask(n); diff --git a/drivers/video/fbdev/carminefb.c b/drivers/video/fbdev/carminefb.c index 9f3be0258623..3a1c2e0739a1 100644 --- a/drivers/video/fbdev/carminefb.c +++ b/drivers/video/fbdev/carminefb.c @@ -527,7 +527,7 @@ static int init_hardware(struct carmine_hw *hw) return 0; } -static struct fb_ops carminefb_ops = { +static const struct fb_ops carminefb_ops = { .owner = THIS_MODULE, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, @@ -633,7 +633,7 @@ static int carminefb_probe(struct pci_dev *dev, const struct pci_device_id *ent) ret = -EBUSY; goto err_free_hw; } - hw->v_regs = ioremap_nocache(carminefb_fix.mmio_start, + hw->v_regs = ioremap(carminefb_fix.mmio_start, carminefb_fix.mmio_len); if (!hw->v_regs) { printk(KERN_ERR "carminefb: Can't remap %s register.\n", @@ -664,7 +664,7 @@ static int carminefb_probe(struct pci_dev *dev, const struct pci_device_id *ent) goto err_unmap_vregs; } - hw->screen_mem = ioremap_nocache(carminefb_fix.smem_start, + hw->screen_mem = ioremap(carminefb_fix.smem_start, carminefb_fix.smem_len); if (!hw->screen_mem) { printk(KERN_ERR "carmine: Can't ioremap smem area.\n"); diff --git a/drivers/video/fbdev/cg14.c b/drivers/video/fbdev/cg14.c index d80d99db3a46..a620b51cf7d0 100644 --- a/drivers/video/fbdev/cg14.c +++ b/drivers/video/fbdev/cg14.c @@ -39,7 +39,7 @@ static int cg14_pan_display(struct fb_var_screeninfo *, struct fb_info *); * Frame buffer operations */ -static struct fb_ops cg14_ops = { +static const struct fb_ops cg14_ops = { .owner = THIS_MODULE, .fb_setcolreg = cg14_setcolreg, .fb_pan_display = cg14_pan_display, diff --git a/drivers/video/fbdev/cg3.c b/drivers/video/fbdev/cg3.c index 09f616dddfd7..77f6470ce665 100644 --- a/drivers/video/fbdev/cg3.c +++ b/drivers/video/fbdev/cg3.c @@ -39,7 +39,7 @@ static int cg3_ioctl(struct fb_info *, unsigned int, unsigned long); * Frame buffer operations */ -static struct fb_ops cg3_ops = { +static const struct fb_ops cg3_ops = { .owner = THIS_MODULE, .fb_setcolreg = cg3_setcolreg, .fb_blank = cg3_blank, diff --git a/drivers/video/fbdev/cg6.c b/drivers/video/fbdev/cg6.c index d5888aecc2fb..a1c68cd48d7e 100644 --- a/drivers/video/fbdev/cg6.c +++ b/drivers/video/fbdev/cg6.c @@ -44,7 +44,7 @@ static int cg6_pan_display(struct fb_var_screeninfo *, struct fb_info *); * Frame buffer operations */ -static struct fb_ops cg6_ops = { +static const struct fb_ops cg6_ops = { .owner = THIS_MODULE, .fb_setcolreg = cg6_setcolreg, .fb_blank = cg6_blank, diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c index f4dc320dcafe..998067b701fa 100644 --- a/drivers/video/fbdev/chipsfb.c +++ b/drivers/video/fbdev/chipsfb.c @@ -79,7 +79,7 @@ static int chipsfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info); static int chipsfb_blank(int blank, struct fb_info *info); -static struct fb_ops chipsfb_ops = { +static const struct fb_ops chipsfb_ops = { .owner = THIS_MODULE, .fb_check_var = chipsfb_check_var, .fb_set_par = chipsfb_set_par, diff --git a/drivers/video/fbdev/cirrusfb.c b/drivers/video/fbdev/cirrusfb.c index e4ce5667b125..c3a3e344cee3 100644 --- a/drivers/video/fbdev/cirrusfb.c +++ b/drivers/video/fbdev/cirrusfb.c @@ -1956,7 +1956,7 @@ static void cirrusfb_zorro_unmap(struct fb_info *info) #endif /* CONFIG_ZORRO */ /* function table of the above functions */ -static struct fb_ops cirrusfb_ops = { +static const struct fb_ops cirrusfb_ops = { .owner = THIS_MODULE, .fb_open = cirrusfb_open, .fb_release = cirrusfb_release, diff --git a/drivers/video/fbdev/clps711x-fb.c b/drivers/video/fbdev/clps711x-fb.c index cabbc721f894..c5d15c6db287 100644 --- a/drivers/video/fbdev/clps711x-fb.c +++ b/drivers/video/fbdev/clps711x-fb.c @@ -153,7 +153,7 @@ static int clps711x_fb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops clps711x_fb_ops = { +static const struct fb_ops clps711x_fb_ops = { .owner = THIS_MODULE, .fb_setcolreg = clps711x_fb_setcolreg, .fb_check_var = clps711x_fb_check_var, diff --git a/drivers/video/fbdev/cobalt_lcdfb.c b/drivers/video/fbdev/cobalt_lcdfb.c index 544946901e8b..5f8b6324d2e8 100644 --- a/drivers/video/fbdev/cobalt_lcdfb.c +++ b/drivers/video/fbdev/cobalt_lcdfb.c @@ -269,7 +269,7 @@ static int cobalt_lcdfb_cursor(struct fb_info *info, struct fb_cursor *cursor) return 0; } -static struct fb_ops cobalt_lcd_fbops = { +static const struct fb_ops cobalt_lcd_fbops = { .owner = THIS_MODULE, .fb_read = cobalt_lcdfb_read, .fb_write = cobalt_lcdfb_write, diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c index 9a680ef3ffc3..38b61cdb5ca4 100644 --- a/drivers/video/fbdev/controlfb.c +++ b/drivers/video/fbdev/controlfb.c @@ -157,7 +157,7 @@ static int default_vmode __initdata = VMODE_NVRAM; static int default_cmode __initdata = CMODE_NVRAM; -static struct fb_ops controlfb_ops = { +static const struct fb_ops controlfb_ops = { .owner = THIS_MODULE, .fb_check_var = controlfb_check_var, .fb_set_par = controlfb_set_par, diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 82c20c6047b0..a591d291b231 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -171,7 +171,6 @@ int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma) vma->vm_private_data = info; return 0; } -EXPORT_SYMBOL(fb_deferred_io_mmap); /* workqueue callback */ static void fb_deferred_io_work(struct work_struct *work) @@ -206,7 +205,6 @@ void fb_deferred_io_init(struct fb_info *info) BUG_ON(!fbdefio); mutex_init(&fbdefio->lock); - info->fbops->fb_mmap = fb_deferred_io_mmap; INIT_DELAYED_WORK(&info->deferred_work, fb_deferred_io_work); INIT_LIST_HEAD(&fbdefio->pagelist); if (fbdefio->delay == 0) /* set a default of 1 s */ @@ -237,7 +235,6 @@ void fb_deferred_io_cleanup(struct fb_info *info) page->mapping = NULL; } - info->fbops->fb_mmap = NULL; mutex_destroy(&fbdefio->lock); } EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup); diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index c9235a2f42f8..bb6ae995c2e5 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -536,6 +536,13 @@ static int __init fb_console_setup(char *this_opt) fb_center_logo = true; continue; } + + if (!strncmp(options, "logo-count:", 11)) { + options += 11; + if (*options) + fb_logo_count = simple_strtol(options, &options, 0); + continue; + } } return 1; } diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 64dd732021d8..d04554959ea7 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -54,7 +54,8 @@ int num_registered_fb __read_mostly; EXPORT_SYMBOL(num_registered_fb); bool fb_center_logo __read_mostly; -EXPORT_SYMBOL(fb_center_logo); + +int fb_logo_count __read_mostly = -1; static struct fb_info *get_fb_info(unsigned int idx) { @@ -620,7 +621,7 @@ int fb_prepare_logo(struct fb_info *info, int rotate) memset(&fb_logo, 0, sizeof(struct logo_data)); if (info->flags & FBINFO_MISC_TILEBLITTING || - info->fbops->owner) + info->fbops->owner || !fb_logo_count) return 0; if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) { @@ -686,10 +687,14 @@ int fb_prepare_logo(struct fb_info *info, int rotate) int fb_show_logo(struct fb_info *info, int rotate) { + unsigned int count; int y; - y = fb_show_logo_line(info, rotate, fb_logo.logo, 0, - num_online_cpus()); + if (!fb_logo_count) + return 0; + + count = fb_logo_count < 0 ? num_online_cpus() : fb_logo_count; + y = fb_show_logo_line(info, rotate, fb_logo.logo, 0, count); y = fb_show_extra_logos(info, y, rotate); return y; @@ -1058,7 +1063,7 @@ int fb_blank(struct fb_info *info, int blank) { struct fb_event event; - int ret = -EINVAL, early_ret; + int ret = -EINVAL; if (blank > FB_BLANK_POWERDOWN) blank = FB_BLANK_POWERDOWN; @@ -1066,21 +1071,11 @@ fb_blank(struct fb_info *info, int blank) event.info = info; event.data = ␣ - early_ret = fb_notifier_call_chain(FB_EARLY_EVENT_BLANK, &event); - if (info->fbops->fb_blank) ret = info->fbops->fb_blank(blank, info); if (!ret) fb_notifier_call_chain(FB_EVENT_BLANK, &event); - else { - /* - * if fb_blank is failed then revert effects of - * the early blank event. - */ - if (!early_ret) - fb_notifier_call_chain(FB_R_EARLY_EVENT_BLANK, &event); - } return ret; } @@ -1089,7 +1084,7 @@ EXPORT_SYMBOL(fb_blank); static long do_fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { - struct fb_ops *fb; + const struct fb_ops *fb; struct fb_var_screeninfo var; struct fb_fix_screeninfo fix; struct fb_cmap cmap_from; @@ -1302,7 +1297,7 @@ static long fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct fb_info *info = file_fb_info(file); - struct fb_ops *fb; + const struct fb_ops *fb; long ret = -ENOIOCTLCMD; if (!info) @@ -1342,16 +1337,23 @@ static int fb_mmap(struct file *file, struct vm_area_struct * vma) { struct fb_info *info = file_fb_info(file); - struct fb_ops *fb; + int (*fb_mmap_fn)(struct fb_info *info, struct vm_area_struct *vma); unsigned long mmio_pgoff; unsigned long start; u32 len; if (!info) return -ENODEV; - fb = info->fbops; mutex_lock(&info->mm_lock); - if (fb->fb_mmap) { + + fb_mmap_fn = info->fbops->fb_mmap; + +#if IS_ENABLED(CONFIG_FB_DEFERRED_IO) + if (info->fbdefio) + fb_mmap_fn = fb_deferred_io_mmap; +#endif + + if (fb_mmap_fn) { int res; /* @@ -1359,7 +1361,7 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) * SME protection is removed ahead of the call */ vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); - res = fb->fb_mmap(info, vma); + res = fb_mmap_fn(info, vma); mutex_unlock(&info->mm_lock); return res; } @@ -1683,7 +1685,7 @@ static void unbind_console(struct fb_info *fb_info) console_unlock(); } -void unlink_framebuffer(struct fb_info *fb_info) +static void unlink_framebuffer(struct fb_info *fb_info) { int i; @@ -1702,7 +1704,6 @@ void unlink_framebuffer(struct fb_info *fb_info) fb_info->dev = NULL; } -EXPORT_SYMBOL(unlink_framebuffer); static void do_unregister_framebuffer(struct fb_info *fb_info) { @@ -1768,23 +1769,21 @@ EXPORT_SYMBOL(remove_conflicting_framebuffers); /** * remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices * @pdev: PCI device - * @res_id: index of PCI BAR configuring framebuffer memory * @name: requesting driver name * * This function removes framebuffer devices (eg. initialized by firmware) - * using memory range configured for @pdev's BAR @res_id. + * using memory range configured for any of @pdev's memory bars. * * The function assumes that PCI device with shadowed ROM drives a primary * display and so kicks out vga16fb. */ -int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, int res_id, const char *name) +int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, const char *name) { struct apertures_struct *ap; bool primary = false; int err, idx, bar; - bool res_id_found = false; - for (idx = 0, bar = 0; bar < PCI_ROM_RESOURCE; bar++) { + for (idx = 0, bar = 0; bar < PCI_STD_NUM_BARS; bar++) { if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) continue; idx++; @@ -1794,21 +1793,16 @@ int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, int res_id, const if (!ap) return -ENOMEM; - for (idx = 0, bar = 0; bar < PCI_ROM_RESOURCE; bar++) { + for (idx = 0, bar = 0; bar < PCI_STD_NUM_BARS; bar++) { if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) continue; ap->ranges[idx].base = pci_resource_start(pdev, bar); ap->ranges[idx].size = pci_resource_len(pdev, bar); - pci_info(pdev, "%s: bar %d: 0x%lx -> 0x%lx\n", __func__, bar, - (unsigned long)pci_resource_start(pdev, bar), - (unsigned long)pci_resource_end(pdev, bar)); + pci_dbg(pdev, "%s: bar %d: 0x%lx -> 0x%lx\n", __func__, bar, + (unsigned long)pci_resource_start(pdev, bar), + (unsigned long)pci_resource_end(pdev, bar)); idx++; - if (res_id == bar) - res_id_found = true; } - if (!res_id_found) - pci_warn(pdev, "%s: passed res_id (%d) is not a memory bar\n", - __func__, res_id); #ifdef CONFIG_X86 primary = pdev->resource[PCI_ROM_RESOURCE].flags & @@ -1957,7 +1951,7 @@ int fb_new_modelist(struct fb_info *info) struct list_head *pos, *n; struct fb_modelist *modelist; struct fb_videomode *m, mode; - int err = 1; + int err; list_for_each_safe(pos, n, &info->modelist) { modelist = list_entry(pos, struct fb_modelist, list); diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c index 3558a70a6664..8e2e19f3bf44 100644 --- a/drivers/video/fbdev/core/fbmon.c +++ b/drivers/video/fbdev/core/fbmon.c @@ -999,98 +999,6 @@ void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs) DPRINTK("========================================\n"); } -/** - * fb_edid_add_monspecs() - add monitor video modes from E-EDID data - * @edid: 128 byte array with an E-EDID block - * @spacs: monitor specs to be extended - */ -void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs) -{ - unsigned char *block; - struct fb_videomode *m; - int num = 0, i; - u8 svd[64], edt[(128 - 4) / DETAILED_TIMING_DESCRIPTION_SIZE]; - u8 pos = 4, svd_n = 0; - - if (!edid) - return; - - if (!edid_checksum(edid)) - return; - - if (edid[0] != 0x2 || - edid[2] < 4 || edid[2] > 128 - DETAILED_TIMING_DESCRIPTION_SIZE) - return; - - DPRINTK(" Short Video Descriptors\n"); - - while (pos < edid[2]) { - u8 len = edid[pos] & 0x1f, type = (edid[pos] >> 5) & 7; - pr_debug("Data block %u of %u bytes\n", type, len); - if (type == 2) { - for (i = pos; i < pos + len; i++) { - u8 idx = edid[pos + i] & 0x7f; - svd[svd_n++] = idx; - pr_debug("N%sative mode #%d\n", - edid[pos + i] & 0x80 ? "" : "on-n", idx); - } - } else if (type == 3 && len >= 3) { - /* Check Vendor Specific Data Block. For HDMI, - it is always 00-0C-03 for HDMI Licensing, LLC. */ - if (edid[pos + 1] == 3 && edid[pos + 2] == 0xc && - edid[pos + 3] == 0) - specs->misc |= FB_MISC_HDMI; - } - pos += len + 1; - } - - block = edid + edid[2]; - - DPRINTK(" Extended Detailed Timings\n"); - - for (i = 0; i < (128 - edid[2]) / DETAILED_TIMING_DESCRIPTION_SIZE; - i++, block += DETAILED_TIMING_DESCRIPTION_SIZE) - if (PIXEL_CLOCK != 0) - edt[num++] = block - edid; - - /* Yikes, EDID data is totally useless */ - if (!(num + svd_n)) - return; - - m = kcalloc(specs->modedb_len + num + svd_n, - sizeof(struct fb_videomode), - GFP_KERNEL); - - if (!m) - return; - - memcpy(m, specs->modedb, specs->modedb_len * sizeof(struct fb_videomode)); - - for (i = specs->modedb_len; i < specs->modedb_len + num; i++) { - get_detailed_timing(edid + edt[i - specs->modedb_len], &m[i]); - if (i == specs->modedb_len) - m[i].flag |= FB_MODE_IS_FIRST; - pr_debug("Adding %ux%u@%u\n", m[i].xres, m[i].yres, m[i].refresh); - } - - for (i = specs->modedb_len + num; i < specs->modedb_len + num + svd_n; i++) { - int idx = svd[i - specs->modedb_len - num]; - if (!idx || idx >= ARRAY_SIZE(cea_modes)) { - pr_warn("Reserved SVD code %d\n", idx); - } else if (!cea_modes[idx].xres) { - pr_warn("Unimplemented SVD code %d\n", idx); - } else { - memcpy(&m[i], cea_modes + idx, sizeof(m[i])); - pr_debug("Adding SVD #%d: %ux%u@%u\n", idx, - m[i].xres, m[i].yres, m[i].refresh); - } - } - - kfree(specs->modedb); - specs->modedb = m; - specs->modedb_len = specs->modedb_len + num + svd_n; -} - /* * VESA Generalized Timing Formula (GTF) */ @@ -1500,9 +1408,6 @@ int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var) void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs) { } -void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs) -{ -} void fb_destroy_modedb(struct fb_videomode *modedb) { } @@ -1610,7 +1515,6 @@ EXPORT_SYMBOL(fb_firmware_edid); EXPORT_SYMBOL(fb_parse_edid); EXPORT_SYMBOL(fb_edid_to_monspecs); -EXPORT_SYMBOL(fb_edid_add_monspecs); EXPORT_SYMBOL(fb_get_mode); EXPORT_SYMBOL(fb_validate_mode); EXPORT_SYMBOL(fb_destroy_modedb); diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c index ac049871704d..6473e0dfe146 100644 --- a/drivers/video/fbdev/core/modedb.c +++ b/drivers/video/fbdev/core/modedb.c @@ -289,63 +289,6 @@ static const struct fb_videomode modedb[] = { }; #ifdef CONFIG_FB_MODE_HELPERS -const struct fb_videomode cea_modes[65] = { - /* #1: 640x480p@59.94/60Hz */ - [1] = { - NULL, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0, - FB_VMODE_NONINTERLACED, 0, - }, - /* #3: 720x480p@59.94/60Hz */ - [3] = { - NULL, 60, 720, 480, 37037, 60, 16, 30, 9, 62, 6, 0, - FB_VMODE_NONINTERLACED, 0, - }, - /* #5: 1920x1080i@59.94/60Hz */ - [5] = { - NULL, 60, 1920, 1080, 13763, 148, 88, 15, 2, 44, 5, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_INTERLACED, 0, - }, - /* #7: 720(1440)x480iH@59.94/60Hz */ - [7] = { - NULL, 60, 1440, 480, 18554/*37108*/, 114, 38, 15, 4, 124, 3, 0, - FB_VMODE_INTERLACED, 0, - }, - /* #9: 720(1440)x240pH@59.94/60Hz */ - [9] = { - NULL, 60, 1440, 240, 18554, 114, 38, 16, 4, 124, 3, 0, - FB_VMODE_NONINTERLACED, 0, - }, - /* #18: 720x576pH@50Hz */ - [18] = { - NULL, 50, 720, 576, 37037, 68, 12, 39, 5, 64, 5, 0, - FB_VMODE_NONINTERLACED, 0, - }, - /* #19: 1280x720p@50Hz */ - [19] = { - NULL, 50, 1280, 720, 13468, 220, 440, 20, 5, 40, 5, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0, - }, - /* #20: 1920x1080i@50Hz */ - [20] = { - NULL, 50, 1920, 1080, 13480, 148, 528, 15, 5, 528, 5, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_INTERLACED, 0, - }, - /* #32: 1920x1080p@23.98/24Hz */ - [32] = { - NULL, 24, 1920, 1080, 13468, 148, 638, 36, 4, 44, 5, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0, - }, - /* #35: (2880)x480p4x@59.94/60Hz */ - [35] = { - NULL, 60, 2880, 480, 9250, 240, 64, 30, 9, 248, 6, 0, - FB_VMODE_NONINTERLACED, 0, - }, -}; - const struct fb_videomode vesa_modes[] = { /* 0 640x350-85 VESA */ { NULL, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3, diff --git a/drivers/video/fbdev/cyber2000fb.c b/drivers/video/fbdev/cyber2000fb.c index 3a2d9ff0aa42..460826a7ad55 100644 --- a/drivers/video/fbdev/cyber2000fb.c +++ b/drivers/video/fbdev/cyber2000fb.c @@ -1060,7 +1060,7 @@ static int cyber2000fb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops cyber2000fb_ops = { +static const struct fb_ops cyber2000fb_ops = { .owner = THIS_MODULE, .fb_check_var = cyber2000fb_check_var, .fb_set_par = cyber2000fb_set_par, diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c index b1cf248f3291..73c3c4c8cc12 100644 --- a/drivers/video/fbdev/da8xx-fb.c +++ b/drivers/video/fbdev/da8xx-fb.c @@ -19,6 +19,7 @@ #include <linux/clk.h> #include <linux/cpufreq.h> #include <linux/console.h> +#include <linux/regulator/consumer.h> #include <linux/spinlock.h> #include <linux/slab.h> #include <linux/delay.h> @@ -164,7 +165,7 @@ struct da8xx_fb_par { struct notifier_block freq_transition; #endif unsigned int lcdc_clk_rate; - void (*panel_power_ctrl)(int); + struct regulator *lcd_supply; u32 pseudo_palette[16]; struct fb_videomode mode; struct lcd_ctrl_config cfg; @@ -1066,33 +1067,30 @@ static void lcd_da8xx_cpufreq_deregister(struct da8xx_fb_par *par) static int fb_remove(struct platform_device *dev) { struct fb_info *info = dev_get_drvdata(&dev->dev); - - if (info) { - struct da8xx_fb_par *par = info->par; + struct da8xx_fb_par *par = info->par; + int ret; #ifdef CONFIG_CPU_FREQ - lcd_da8xx_cpufreq_deregister(par); + lcd_da8xx_cpufreq_deregister(par); #endif - if (par->panel_power_ctrl) - par->panel_power_ctrl(0); + if (par->lcd_supply) { + ret = regulator_disable(par->lcd_supply); + if (ret) + return ret; + } - lcd_disable_raster(DA8XX_FRAME_WAIT); - lcdc_write(0, LCD_RASTER_CTRL_REG); + lcd_disable_raster(DA8XX_FRAME_WAIT); + lcdc_write(0, LCD_RASTER_CTRL_REG); - /* disable DMA */ - lcdc_write(0, LCD_DMA_CTRL_REG); + /* disable DMA */ + lcdc_write(0, LCD_DMA_CTRL_REG); - unregister_framebuffer(info); - fb_dealloc_cmap(&info->cmap); - dma_free_coherent(par->dev, PALETTE_SIZE, par->v_palette_base, - par->p_palette_base); - dma_free_coherent(par->dev, par->vram_size, par->vram_virt, - par->vram_phys); - pm_runtime_put_sync(&dev->dev); - pm_runtime_disable(&dev->dev); - framebuffer_release(info); + unregister_framebuffer(info); + fb_dealloc_cmap(&info->cmap); + pm_runtime_put_sync(&dev->dev); + pm_runtime_disable(&dev->dev); + framebuffer_release(info); - } return 0; } @@ -1179,15 +1177,21 @@ static int cfb_blank(int blank, struct fb_info *info) case FB_BLANK_UNBLANK: lcd_enable_raster(); - if (par->panel_power_ctrl) - par->panel_power_ctrl(1); + if (par->lcd_supply) { + ret = regulator_enable(par->lcd_supply); + if (ret) + return ret; + } break; case FB_BLANK_NORMAL: case FB_BLANK_VSYNC_SUSPEND: case FB_BLANK_HSYNC_SUSPEND: case FB_BLANK_POWERDOWN: - if (par->panel_power_ctrl) - par->panel_power_ctrl(0); + if (par->lcd_supply) { + ret = regulator_disable(par->lcd_supply); + if (ret) + return ret; + } lcd_disable_raster(DA8XX_FRAME_WAIT); break; @@ -1290,7 +1294,7 @@ static int da8xxfb_set_par(struct fb_info *info) return 0; } -static struct fb_ops da8xx_fb_ops = { +static const struct fb_ops da8xx_fb_ops = { .owner = THIS_MODULE, .fb_check_var = fb_check_var, .fb_set_par = da8xxfb_set_par, @@ -1328,7 +1332,6 @@ static int fb_probe(struct platform_device *device) { struct da8xx_lcdc_platform_data *fb_pdata = dev_get_platdata(&device->dev); - struct resource *lcdc_regs; struct lcd_ctrl_config *lcd_cfg; struct fb_videomode *lcdc_info; struct fb_info *da8xx_fb_info; @@ -1346,8 +1349,7 @@ static int fb_probe(struct platform_device *device) if (lcdc_info == NULL) return -ENODEV; - lcdc_regs = platform_get_resource(device, IORESOURCE_MEM, 0); - da8xx_fb_reg_base = devm_ioremap_resource(&device->dev, lcdc_regs); + da8xx_fb_reg_base = devm_platform_ioremap_resource(device, 0); if (IS_ERR(da8xx_fb_reg_base)) return PTR_ERR(da8xx_fb_reg_base); @@ -1395,9 +1397,19 @@ static int fb_probe(struct platform_device *device) par->dev = &device->dev; par->lcdc_clk = tmp_lcdc_clk; par->lcdc_clk_rate = clk_get_rate(par->lcdc_clk); - if (fb_pdata->panel_power_ctrl) { - par->panel_power_ctrl = fb_pdata->panel_power_ctrl; - par->panel_power_ctrl(1); + + par->lcd_supply = devm_regulator_get_optional(&device->dev, "lcd"); + if (IS_ERR(par->lcd_supply)) { + if (PTR_ERR(par->lcd_supply) == -EPROBE_DEFER) { + ret = -EPROBE_DEFER; + goto err_pm_runtime_disable; + } + + par->lcd_supply = NULL; + } else { + ret = regulator_enable(par->lcd_supply); + if (ret) + goto err_pm_runtime_disable; } fb_videomode_to_var(&da8xx_fb_var, lcdc_info); @@ -1411,10 +1423,10 @@ static int fb_probe(struct platform_device *device) par->vram_size = roundup(par->vram_size/8, ulcm); par->vram_size = par->vram_size * LCD_NUM_BUFFERS; - par->vram_virt = dma_alloc_coherent(par->dev, - par->vram_size, - &par->vram_phys, - GFP_KERNEL | GFP_DMA); + par->vram_virt = dmam_alloc_coherent(par->dev, + par->vram_size, + &par->vram_phys, + GFP_KERNEL | GFP_DMA); if (!par->vram_virt) { dev_err(&device->dev, "GLCD: kmalloc for frame buffer failed\n"); @@ -1432,20 +1444,20 @@ static int fb_probe(struct platform_device *device) da8xx_fb_fix.line_length - 1; /* allocate palette buffer */ - par->v_palette_base = dma_alloc_coherent(par->dev, PALETTE_SIZE, - &par->p_palette_base, - GFP_KERNEL | GFP_DMA); + par->v_palette_base = dmam_alloc_coherent(par->dev, PALETTE_SIZE, + &par->p_palette_base, + GFP_KERNEL | GFP_DMA); if (!par->v_palette_base) { dev_err(&device->dev, "GLCD: kmalloc for palette buffer failed\n"); ret = -EINVAL; - goto err_release_fb_mem; + goto err_release_fb; } par->irq = platform_get_irq(device, 0); if (par->irq < 0) { ret = -ENOENT; - goto err_release_pl_mem; + goto err_release_fb; } da8xx_fb_var.grayscale = @@ -1463,7 +1475,7 @@ static int fb_probe(struct platform_device *device) ret = fb_alloc_cmap(&da8xx_fb_info->cmap, PALETTE_SIZE, 0); if (ret) - goto err_release_pl_mem; + goto err_release_fb; da8xx_fb_info->cmap.len = par->palette_sz; /* initialize var_screeninfo */ @@ -1517,14 +1529,6 @@ err_cpu_freq: err_dealloc_cmap: fb_dealloc_cmap(&da8xx_fb_info->cmap); -err_release_pl_mem: - dma_free_coherent(par->dev, PALETTE_SIZE, par->v_palette_base, - par->p_palette_base); - -err_release_fb_mem: - dma_free_coherent(par->dev, par->vram_size, par->vram_virt, - par->vram_phys); - err_release_fb: framebuffer_release(da8xx_fb_info); @@ -1603,10 +1607,14 @@ static int fb_suspend(struct device *dev) { struct fb_info *info = dev_get_drvdata(dev); struct da8xx_fb_par *par = info->par; + int ret; console_lock(); - if (par->panel_power_ctrl) - par->panel_power_ctrl(0); + if (par->lcd_supply) { + ret = regulator_disable(par->lcd_supply); + if (ret) + return ret; + } fb_set_suspend(info, 1); lcd_disable_raster(DA8XX_FRAME_WAIT); @@ -1620,6 +1628,7 @@ static int fb_resume(struct device *dev) { struct fb_info *info = dev_get_drvdata(dev); struct da8xx_fb_par *par = info->par; + int ret; console_lock(); pm_runtime_get_sync(dev); @@ -1627,8 +1636,11 @@ static int fb_resume(struct device *dev) if (par->blank == FB_BLANK_UNBLANK) { lcd_enable_raster(); - if (par->panel_power_ctrl) - par->panel_power_ctrl(1); + if (par->lcd_supply) { + ret = regulator_enable(par->lcd_supply); + if (ret) + return ret; + } } fb_set_suspend(info, 0); diff --git a/drivers/video/fbdev/dnfb.c b/drivers/video/fbdev/dnfb.c index 8da517eaa4a3..3688f9165848 100644 --- a/drivers/video/fbdev/dnfb.c +++ b/drivers/video/fbdev/dnfb.c @@ -108,7 +108,7 @@ static int dnfb_blank(int blank, struct fb_info *info); static void dnfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); -static struct fb_ops dn_fb_ops = { +static const struct fb_ops dn_fb_ops = { .owner = THIS_MODULE, .fb_blank = dnfb_blank, .fb_fillrect = cfb_fillrect, diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 04a22663b4fb..65491ae74808 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -122,28 +122,13 @@ static void efifb_copy_bmp(u8 *src, u32 *dst, int width, struct screen_info *si) */ static bool efifb_bgrt_sanity_check(struct screen_info *si, u32 bmp_width) { - static const int default_resolutions[][2] = { - { 800, 600 }, - { 1024, 768 }, - { 1280, 1024 }, - }; - u32 i, right_margin; - - for (i = 0; i < ARRAY_SIZE(default_resolutions); i++) { - if (default_resolutions[i][0] == si->lfb_width && - default_resolutions[i][1] == si->lfb_height) - break; - } - /* If not a default resolution used for textmode, this should be fine */ - if (i >= ARRAY_SIZE(default_resolutions)) - return true; - - /* If the right margin is 5 times smaller then the left one, reject */ - right_margin = si->lfb_width - (bgrt_tab.image_offset_x + bmp_width); - if (right_margin < (bgrt_tab.image_offset_x / 5)) - return false; + /* + * All x86 firmwares horizontally center the image (the yoffset + * calculations differ between boards, but xoffset is predictable). + */ + u32 expected_xoffset = (si->lfb_width - bmp_width) / 2; - return true; + return bgrt_tab.image_offset_x == expected_xoffset; } #else static bool efifb_bgrt_sanity_check(struct screen_info *si, u32 bmp_width) @@ -270,7 +255,7 @@ static void efifb_destroy(struct fb_info *info) fb_dealloc_cmap(&info->cmap); } -static struct fb_ops efifb_ops = { +static const struct fb_ops efifb_ops = { .owner = THIS_MODULE, .fb_destroy = efifb_destroy, .fb_setcolreg = efifb_setcolreg, @@ -668,7 +653,7 @@ static void efifb_fixup_resources(struct pci_dev *dev) if (!base) return; - for (i = 0; i <= PCI_STD_RESOURCE_END; i++) { + for (i = 0; i < PCI_STD_NUM_BARS; i++) { struct resource *res = &dev->resource[i]; if (!(res->flags & IORESOURCE_MEM)) diff --git a/drivers/video/fbdev/ep93xx-fb.c b/drivers/video/fbdev/ep93xx-fb.c index d04a047094fc..cda2ef337423 100644 --- a/drivers/video/fbdev/ep93xx-fb.c +++ b/drivers/video/fbdev/ep93xx-fb.c @@ -402,7 +402,7 @@ static int ep93xxfb_setcolreg(unsigned int regno, unsigned int red, return 0; } -static struct fb_ops ep93xxfb_ops = { +static const struct fb_ops ep93xxfb_ops = { .owner = THIS_MODULE, .fb_check_var = ep93xxfb_check_var, .fb_set_par = ep93xxfb_set_par, diff --git a/drivers/video/fbdev/fb-puv3.c b/drivers/video/fbdev/fb-puv3.c index fa62c4dff7d1..75df6aabac21 100644 --- a/drivers/video/fbdev/fb-puv3.c +++ b/drivers/video/fbdev/fb-puv3.c @@ -644,7 +644,7 @@ int unifb_mmap(struct fb_info *info, return vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len); } -static struct fb_ops unifb_ops = { +static const struct fb_ops unifb_ops = { .fb_read = fb_sys_read, .fb_write = fb_sys_write, .fb_check_var = unifb_check_var, diff --git a/drivers/video/fbdev/ffb.c b/drivers/video/fbdev/ffb.c index cd2d1db239a2..948b73184433 100644 --- a/drivers/video/fbdev/ffb.c +++ b/drivers/video/fbdev/ffb.c @@ -44,7 +44,7 @@ static int ffb_pan_display(struct fb_var_screeninfo *, struct fb_info *); * Frame buffer operations */ -static struct fb_ops ffb_ops = { +static const struct fb_ops ffb_ops = { .owner = THIS_MODULE, .fb_setcolreg = ffb_setcolreg, .fb_blank = ffb_blank, diff --git a/drivers/video/fbdev/fm2fb.c b/drivers/video/fbdev/fm2fb.c index ac7a4ebfd390..3b727d528fde 100644 --- a/drivers/video/fbdev/fm2fb.c +++ b/drivers/video/fbdev/fm2fb.c @@ -165,7 +165,7 @@ static int fm2fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info); static int fm2fb_blank(int blank, struct fb_info *info); -static struct fb_ops fm2fb_ops = { +static const struct fb_ops fm2fb_ops = { .owner = THIS_MODULE, .fb_setcolreg = fm2fb_setcolreg, .fb_blank = fm2fb_blank, diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c index d19f58263b4e..67ebfe5c9f1d 100644 --- a/drivers/video/fbdev/fsl-diu-fb.c +++ b/drivers/video/fbdev/fsl-diu-fb.c @@ -1287,6 +1287,7 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd, dev_warn(info->dev, "MFB_SET_PIXFMT value of 0x%08x is deprecated.\n", MFB_SET_PIXFMT_OLD); + /* fall through */ case MFB_SET_PIXFMT: if (copy_from_user(&pix_fmt, buf, sizeof(pix_fmt))) return -EFAULT; @@ -1296,6 +1297,7 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd, dev_warn(info->dev, "MFB_GET_PIXFMT value of 0x%08x is deprecated.\n", MFB_GET_PIXFMT_OLD); + /* fall through */ case MFB_GET_PIXFMT: pix_fmt = ad->pix_fmt; if (copy_to_user(buf, &pix_fmt, sizeof(pix_fmt))) @@ -1448,7 +1450,7 @@ static int fsl_diu_release(struct fb_info *info, int user) return res; } -static struct fb_ops fsl_diu_ops = { +static const struct fb_ops fsl_diu_ops = { .owner = THIS_MODULE, .fb_check_var = fsl_diu_check_var, .fb_set_par = fsl_diu_set_par, diff --git a/drivers/video/fbdev/g364fb.c b/drivers/video/fbdev/g364fb.c index 223896cc5f7d..845b79da2a7c 100644 --- a/drivers/video/fbdev/g364fb.c +++ b/drivers/video/fbdev/g364fb.c @@ -111,7 +111,7 @@ static int g364fb_setcolreg(u_int regno, u_int red, u_int green, static int g364fb_cursor(struct fb_info *info, struct fb_cursor *cursor); static int g364fb_blank(int blank, struct fb_info *info); -static struct fb_ops g364fb_ops = { +static const struct fb_ops g364fb_ops = { .owner = THIS_MODULE, .fb_setcolreg = g364fb_setcolreg, .fb_pan_display = g364fb_pan_display, diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c index b9f6a82a0495..31270a8986e8 100644 --- a/drivers/video/fbdev/gbefb.c +++ b/drivers/video/fbdev/gbefb.c @@ -1044,7 +1044,7 @@ static int gbefb_mmap(struct fb_info *info, return 0; } -static struct fb_ops gbefb_ops = { +static const struct fb_ops gbefb_ops = { .owner = THIS_MODULE, .fb_check_var = gbefb_check_var, .fb_set_par = gbefb_set_par, diff --git a/drivers/video/fbdev/geode/gx1fb_core.c b/drivers/video/fbdev/geode/gx1fb_core.c index 737e472fac14..5d34d89fb665 100644 --- a/drivers/video/fbdev/geode/gx1fb_core.c +++ b/drivers/video/fbdev/geode/gx1fb_core.c @@ -252,7 +252,7 @@ static int parse_panel_option(struct fb_info *info) return 0; } -static struct fb_ops gx1fb_ops = { +static const struct fb_ops gx1fb_ops = { .owner = THIS_MODULE, .fb_check_var = gx1fb_check_var, .fb_set_par = gx1fb_set_par, diff --git a/drivers/video/fbdev/geode/gxfb_core.c b/drivers/video/fbdev/geode/gxfb_core.c index 435ce2aa4240..d38a148d4746 100644 --- a/drivers/video/fbdev/geode/gxfb_core.c +++ b/drivers/video/fbdev/geode/gxfb_core.c @@ -265,7 +265,7 @@ static int gxfb_map_video_memory(struct fb_info *info, struct pci_dev *dev) return 0; } -static struct fb_ops gxfb_ops = { +static const struct fb_ops gxfb_ops = { .owner = THIS_MODULE, .fb_check_var = gxfb_check_var, .fb_set_par = gxfb_set_par, diff --git a/drivers/video/fbdev/geode/lxfb_core.c b/drivers/video/fbdev/geode/lxfb_core.c index b0f07d676eb3..adc2d9c2395e 100644 --- a/drivers/video/fbdev/geode/lxfb_core.c +++ b/drivers/video/fbdev/geode/lxfb_core.c @@ -386,7 +386,7 @@ static int lxfb_map_video_memory(struct fb_info *info, struct pci_dev *dev) return 0; } -static struct fb_ops lxfb_ops = { +static const struct fb_ops lxfb_ops = { .owner = THIS_MODULE, .fb_check_var = lxfb_check_var, .fb_set_par = lxfb_set_par, diff --git a/drivers/video/fbdev/goldfishfb.c b/drivers/video/fbdev/goldfishfb.c index f60ac276703d..9c83ec3f8e1f 100644 --- a/drivers/video/fbdev/goldfishfb.c +++ b/drivers/video/fbdev/goldfishfb.c @@ -160,7 +160,7 @@ static int goldfish_fb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops goldfish_fb_ops = { +static const struct fb_ops goldfish_fb_ops = { .owner = THIS_MODULE, .fb_check_var = goldfish_fb_check_var, .fb_set_par = goldfish_fb_set_par, diff --git a/drivers/video/fbdev/grvga.c b/drivers/video/fbdev/grvga.c index d22e8b0c906d..07dda03e0957 100644 --- a/drivers/video/fbdev/grvga.c +++ b/drivers/video/fbdev/grvga.c @@ -251,7 +251,7 @@ static int grvga_pan_display(struct fb_var_screeninfo *var, return 0; } -static struct fb_ops grvga_ops = { +static const struct fb_ops grvga_ops = { .owner = THIS_MODULE, .fb_check_var = grvga_check_var, .fb_set_par = grvga_set_par, diff --git a/drivers/video/fbdev/gxt4500.c b/drivers/video/fbdev/gxt4500.c index c7502fd8f447..13ded3a10708 100644 --- a/drivers/video/fbdev/gxt4500.c +++ b/drivers/video/fbdev/gxt4500.c @@ -599,7 +599,7 @@ static const struct fb_fix_screeninfo gxt4500_fix = { .mmio_len = 0x20000, }; -static struct fb_ops gxt4500_ops = { +static const struct fb_ops gxt4500_ops = { .owner = THIS_MODULE, .fb_check_var = gxt4500_check_var, .fb_set_par = gxt4500_set_par, diff --git a/drivers/video/fbdev/hecubafb.c b/drivers/video/fbdev/hecubafb.c index 8577195cb533..00d77105161a 100644 --- a/drivers/video/fbdev/hecubafb.c +++ b/drivers/video/fbdev/hecubafb.c @@ -197,7 +197,7 @@ static ssize_t hecubafb_write(struct fb_info *info, const char __user *buf, return (err) ? err : count; } -static struct fb_ops hecubafb_ops = { +static const struct fb_ops hecubafb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = hecubafb_write, diff --git a/drivers/video/fbdev/hgafb.c b/drivers/video/fbdev/hgafb.c index 59e1cae57948..a45fcff1461f 100644 --- a/drivers/video/fbdev/hgafb.c +++ b/drivers/video/fbdev/hgafb.c @@ -523,7 +523,7 @@ static void hgafb_imageblit(struct fb_info *info, const struct fb_image *image) } } -static struct fb_ops hgafb_ops = { +static const struct fb_ops hgafb_ops = { .owner = THIS_MODULE, .fb_open = hgafb_open, .fb_release = hgafb_release, diff --git a/drivers/video/fbdev/hitfb.c b/drivers/video/fbdev/hitfb.c index abe3e54d4506..009e5d2aa100 100644 --- a/drivers/video/fbdev/hitfb.c +++ b/drivers/video/fbdev/hitfb.c @@ -311,7 +311,7 @@ static int hitfb_set_par(struct fb_info *info) return 0; } -static struct fb_ops hitfb_ops = { +static const struct fb_ops hitfb_ops = { .owner = THIS_MODULE, .fb_check_var = hitfb_check_var, .fb_set_par = hitfb_set_par, diff --git a/drivers/video/fbdev/hpfb.c b/drivers/video/fbdev/hpfb.c index a79af8f069d1..f02be0db335e 100644 --- a/drivers/video/fbdev/hpfb.c +++ b/drivers/video/fbdev/hpfb.c @@ -184,7 +184,7 @@ static int hpfb_sync(struct fb_info *info) return 0; } -static struct fb_ops hpfb_ops = { +static const struct fb_ops hpfb_ops = { .owner = THIS_MODULE, .fb_setcolreg = hpfb_setcolreg, .fb_blank = hpfb_blank, diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index 2dcb7c58b31e..f47d50e560c0 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -23,6 +23,24 @@ * * Portrait orientation is also supported: * For example: video=hyperv_fb:864x1152 + * + * When a Windows 10 RS5+ host is used, the virtual machine screen + * resolution is obtained from the host. The "video=hyperv_fb" option is + * not needed, but still can be used to overwrite what the host specifies. + * The VM resolution on the host could be set by executing the powershell + * "set-vmvideo" command. For example + * set-vmvideo -vmname name -horizontalresolution:1920 \ + * -verticalresolution:1200 -resolutiontype single + * + * Gen 1 VMs also support direct using VM's physical memory for framebuffer. + * It could improve the efficiency and performance for framebuffer and VM. + * This requires to allocate contiguous physical memory from Linux kernel's + * CMA memory allocator. To enable this, supply a kernel parameter to give + * enough memory space to CMA allocator for framebuffer. For example: + * cma=130m + * This gives 130MB memory to CMA allocator that can be allocated to + * framebuffer. For reference, 8K resolution (7680x4320) takes about + * 127MB memory. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -34,6 +52,7 @@ #include <linux/fb.h> #include <linux/pci.h> #include <linux/efi.h> +#include <linux/console.h> #include <linux/hyperv.h> @@ -44,6 +63,10 @@ #define SYNTHVID_VERSION(major, minor) ((minor) << 16 | (major)) #define SYNTHVID_VERSION_WIN7 SYNTHVID_VERSION(3, 0) #define SYNTHVID_VERSION_WIN8 SYNTHVID_VERSION(3, 2) +#define SYNTHVID_VERSION_WIN10 SYNTHVID_VERSION(3, 5) + +#define SYNTHVID_VER_GET_MAJOR(ver) (ver & 0x0000ffff) +#define SYNTHVID_VER_GET_MINOR(ver) ((ver & 0xffff0000) >> 16) #define SYNTHVID_DEPTH_WIN7 16 #define SYNTHVID_DEPTH_WIN8 32 @@ -82,16 +105,25 @@ enum synthvid_msg_type { SYNTHVID_POINTER_SHAPE = 8, SYNTHVID_FEATURE_CHANGE = 9, SYNTHVID_DIRT = 10, + SYNTHVID_RESOLUTION_REQUEST = 13, + SYNTHVID_RESOLUTION_RESPONSE = 14, - SYNTHVID_MAX = 11 + SYNTHVID_MAX = 15 }; +#define SYNTHVID_EDID_BLOCK_SIZE 128 +#define SYNTHVID_MAX_RESOLUTION_COUNT 64 + +struct hvd_screen_info { + u16 width; + u16 height; +} __packed; + struct synthvid_msg_hdr { u32 type; u32 size; /* size of this header + payload after this field*/ } __packed; - struct synthvid_version_req { u32 version; } __packed; @@ -102,6 +134,19 @@ struct synthvid_version_resp { u8 max_video_outputs; } __packed; +struct synthvid_supported_resolution_req { + u8 maximum_resolution_count; +} __packed; + +struct synthvid_supported_resolution_resp { + u8 edid_block[SYNTHVID_EDID_BLOCK_SIZE]; + u8 resolution_count; + u8 default_resolution_index; + u8 is_standard; + struct hvd_screen_info + supported_resolution[SYNTHVID_MAX_RESOLUTION_COUNT]; +} __packed; + struct synthvid_vram_location { u64 user_ctx; u8 is_vram_gpa_specified; @@ -187,11 +232,12 @@ struct synthvid_msg { struct synthvid_pointer_shape ptr_shape; struct synthvid_feature_change feature_chg; struct synthvid_dirt dirt; + struct synthvid_supported_resolution_req resolution_req; + struct synthvid_supported_resolution_resp resolution_resp; }; } __packed; - /* FB driver definitions and structures */ #define HVFB_WIDTH 1152 /* default screen width */ #define HVFB_HEIGHT 864 /* default screen height */ @@ -201,6 +247,7 @@ struct synthvid_msg { #define RING_BUFSIZE (256 * 1024) #define VSP_TIMEOUT (10 * HZ) #define HVFB_UPDATE_DELAY (HZ / 20) +#define HVFB_ONDEMAND_THROTTLE (HZ / 20) struct hvfb_par { struct fb_info *info; @@ -211,6 +258,7 @@ struct hvfb_par { struct delayed_work dwork; bool update; + bool update_saved; /* The value of 'update' before hibernation */ u32 pseudo_palette[16]; u8 init_buf[MAX_VMBUS_PKT_SIZE]; @@ -219,13 +267,29 @@ struct hvfb_par { /* If true, the VSC notifies the VSP on every framebuffer change */ bool synchronous_fb; + /* If true, need to copy from deferred IO mem to framebuffer mem */ + bool need_docopy; + struct notifier_block hvfb_panic_nb; + + /* Memory for deferred IO and frame buffer itself */ + unsigned char *dio_vp; + unsigned char *mmio_vp; + phys_addr_t mmio_pp; + + /* Dirty rectangle, protected by delayed_refresh_lock */ + int x1, y1, x2, y2; + bool delayed_refresh; + spinlock_t delayed_refresh_lock; }; static uint screen_width = HVFB_WIDTH; static uint screen_height = HVFB_HEIGHT; +static uint screen_width_max = HVFB_WIDTH; +static uint screen_height_max = HVFB_HEIGHT; static uint screen_depth; static uint screen_fb_size; +static uint dio_fb_size; /* FB size for deferred IO */ /* Send message to Hyper-V host */ static inline int synthvid_send(struct hv_device *hdev, @@ -312,28 +376,88 @@ static int synthvid_send_ptr(struct hv_device *hdev) } /* Send updated screen area (dirty rectangle) location to host */ -static int synthvid_update(struct fb_info *info) +static int +synthvid_update(struct fb_info *info, int x1, int y1, int x2, int y2) { struct hv_device *hdev = device_to_hv_device(info->device); struct synthvid_msg msg; memset(&msg, 0, sizeof(struct synthvid_msg)); + if (x2 == INT_MAX) + x2 = info->var.xres; + if (y2 == INT_MAX) + y2 = info->var.yres; msg.vid_hdr.type = SYNTHVID_DIRT; msg.vid_hdr.size = sizeof(struct synthvid_msg_hdr) + sizeof(struct synthvid_dirt); msg.dirt.video_output = 0; msg.dirt.dirt_count = 1; - msg.dirt.rect[0].x1 = 0; - msg.dirt.rect[0].y1 = 0; - msg.dirt.rect[0].x2 = info->var.xres; - msg.dirt.rect[0].y2 = info->var.yres; + msg.dirt.rect[0].x1 = (x1 > x2) ? 0 : x1; + msg.dirt.rect[0].y1 = (y1 > y2) ? 0 : y1; + msg.dirt.rect[0].x2 = + (x2 < x1 || x2 > info->var.xres) ? info->var.xres : x2; + msg.dirt.rect[0].y2 = + (y2 < y1 || y2 > info->var.yres) ? info->var.yres : y2; synthvid_send(hdev, &msg); return 0; } +static void hvfb_docopy(struct hvfb_par *par, + unsigned long offset, + unsigned long size) +{ + if (!par || !par->mmio_vp || !par->dio_vp || !par->fb_ready || + size == 0 || offset >= dio_fb_size) + return; + + if (offset + size > dio_fb_size) + size = dio_fb_size - offset; + + memcpy(par->mmio_vp + offset, par->dio_vp + offset, size); +} + +/* Deferred IO callback */ +static void synthvid_deferred_io(struct fb_info *p, + struct list_head *pagelist) +{ + struct hvfb_par *par = p->par; + struct page *page; + unsigned long start, end; + int y1, y2, miny, maxy; + + miny = INT_MAX; + maxy = 0; + + /* + * Merge dirty pages. It is possible that last page cross + * over the end of frame buffer row yres. This is taken care of + * in synthvid_update function by clamping the y2 + * value to yres. + */ + list_for_each_entry(page, pagelist, lru) { + start = page->index << PAGE_SHIFT; + end = start + PAGE_SIZE - 1; + y1 = start / p->fix.line_length; + y2 = end / p->fix.line_length; + miny = min_t(int, miny, y1); + maxy = max_t(int, maxy, y2); + + /* Copy from dio space to mmio address */ + if (par->fb_ready && par->need_docopy) + hvfb_docopy(par, start, PAGE_SIZE); + } + + if (par->fb_ready && par->update) + synthvid_update(p, 0, miny, p->var.xres, maxy + 1); +} + +static struct fb_deferred_io synthvid_defio = { + .delay = HZ / 20, + .deferred_io = synthvid_deferred_io, +}; /* * Actions on received messages from host: @@ -354,6 +478,7 @@ static void synthvid_recv_sub(struct hv_device *hdev) /* Complete the wait event */ if (msg->vid_hdr.type == SYNTHVID_VERSION_RESPONSE || + msg->vid_hdr.type == SYNTHVID_RESOLUTION_RESPONSE || msg->vid_hdr.type == SYNTHVID_VRAM_LOCATION_ACK) { memcpy(par->init_buf, msg, MAX_VMBUS_PKT_SIZE); complete(&par->wait); @@ -400,6 +525,17 @@ static void synthvid_receive(void *ctx) } while (bytes_recvd > 0 && ret == 0); } +/* Check if the ver1 version is equal or greater than ver2 */ +static inline bool synthvid_ver_ge(u32 ver1, u32 ver2) +{ + if (SYNTHVID_VER_GET_MAJOR(ver1) > SYNTHVID_VER_GET_MAJOR(ver2) || + (SYNTHVID_VER_GET_MAJOR(ver1) == SYNTHVID_VER_GET_MAJOR(ver2) && + SYNTHVID_VER_GET_MINOR(ver1) >= SYNTHVID_VER_GET_MINOR(ver2))) + return true; + + return false; +} + /* Check synthetic video protocol version with the host */ static int synthvid_negotiate_ver(struct hv_device *hdev, u32 ver) { @@ -428,6 +564,64 @@ static int synthvid_negotiate_ver(struct hv_device *hdev, u32 ver) } par->synthvid_version = ver; + pr_info("Synthvid Version major %d, minor %d\n", + SYNTHVID_VER_GET_MAJOR(ver), SYNTHVID_VER_GET_MINOR(ver)); + +out: + return ret; +} + +/* Get current resolution from the host */ +static int synthvid_get_supported_resolution(struct hv_device *hdev) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par = info->par; + struct synthvid_msg *msg = (struct synthvid_msg *)par->init_buf; + int ret = 0; + unsigned long t; + u8 index; + int i; + + memset(msg, 0, sizeof(struct synthvid_msg)); + msg->vid_hdr.type = SYNTHVID_RESOLUTION_REQUEST; + msg->vid_hdr.size = sizeof(struct synthvid_msg_hdr) + + sizeof(struct synthvid_supported_resolution_req); + + msg->resolution_req.maximum_resolution_count = + SYNTHVID_MAX_RESOLUTION_COUNT; + synthvid_send(hdev, msg); + + t = wait_for_completion_timeout(&par->wait, VSP_TIMEOUT); + if (!t) { + pr_err("Time out on waiting resolution response\n"); + ret = -ETIMEDOUT; + goto out; + } + + if (msg->resolution_resp.resolution_count == 0) { + pr_err("No supported resolutions\n"); + ret = -ENODEV; + goto out; + } + + index = msg->resolution_resp.default_resolution_index; + if (index >= msg->resolution_resp.resolution_count) { + pr_err("Invalid resolution index: %d\n", index); + ret = -ENODEV; + goto out; + } + + for (i = 0; i < msg->resolution_resp.resolution_count; i++) { + screen_width_max = max_t(unsigned int, screen_width_max, + msg->resolution_resp.supported_resolution[i].width); + screen_height_max = max_t(unsigned int, screen_height_max, + msg->resolution_resp.supported_resolution[i].height); + } + + screen_width = + msg->resolution_resp.supported_resolution[index].width; + screen_height = + msg->resolution_resp.supported_resolution[index].height; out: return ret; @@ -448,11 +642,27 @@ static int synthvid_connect_vsp(struct hv_device *hdev) } /* Negotiate the protocol version with host */ - if (vmbus_proto_version == VERSION_WS2008 || - vmbus_proto_version == VERSION_WIN7) - ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN7); - else + switch (vmbus_proto_version) { + case VERSION_WIN10: + case VERSION_WIN10_V5: + ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN10); + if (!ret) + break; + /* Fallthrough */ + case VERSION_WIN8: + case VERSION_WIN8_1: ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN8); + if (!ret) + break; + /* Fallthrough */ + case VERSION_WS2008: + case VERSION_WIN7: + ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN7); + break; + default: + ret = synthvid_negotiate_ver(hdev, SYNTHVID_VERSION_WIN10); + break; + } if (ret) { pr_err("Synthetic video device version not accepted\n"); @@ -464,6 +674,12 @@ static int synthvid_connect_vsp(struct hv_device *hdev) else screen_depth = SYNTHVID_DEPTH_WIN8; + if (synthvid_ver_ge(par->synthvid_version, SYNTHVID_VERSION_WIN10)) { + ret = synthvid_get_supported_resolution(hdev); + if (ret) + pr_info("Failed to get supported resolution from host, use default\n"); + } + screen_fb_size = hdev->channel->offermsg.offer. mmio_megabytes * 1024 * 1024; @@ -488,7 +704,7 @@ static int synthvid_send_config(struct hv_device *hdev) msg->vid_hdr.type = SYNTHVID_VRAM_LOCATION; msg->vid_hdr.size = sizeof(struct synthvid_msg_hdr) + sizeof(struct synthvid_vram_location); - msg->vram.user_ctx = msg->vram.vram_gpa = info->fix.smem_start; + msg->vram.user_ctx = msg->vram.vram_gpa = par->mmio_pp; msg->vram.is_vram_gpa_specified = 1; synthvid_send(hdev, msg); @@ -498,7 +714,7 @@ static int synthvid_send_config(struct hv_device *hdev) ret = -ETIMEDOUT; goto out; } - if (msg->vram_ack.user_ctx != info->fix.smem_start) { + if (msg->vram_ack.user_ctx != par->mmio_pp) { pr_err("Unable to set VRAM location\n"); ret = -ENODEV; goto out; @@ -515,19 +731,77 @@ out: /* * Delayed work callback: - * It is called at HVFB_UPDATE_DELAY or longer time interval to process - * screen updates. It is re-scheduled if further update is necessary. + * It is scheduled to call whenever update request is received and it has + * not been called in last HVFB_ONDEMAND_THROTTLE time interval. */ static void hvfb_update_work(struct work_struct *w) { struct hvfb_par *par = container_of(w, struct hvfb_par, dwork.work); struct fb_info *info = par->info; + unsigned long flags; + int x1, x2, y1, y2; + int j; + + spin_lock_irqsave(&par->delayed_refresh_lock, flags); + /* Reset the request flag */ + par->delayed_refresh = false; + + /* Store the dirty rectangle to local variables */ + x1 = par->x1; + x2 = par->x2; + y1 = par->y1; + y2 = par->y2; + + /* Clear dirty rectangle */ + par->x1 = par->y1 = INT_MAX; + par->x2 = par->y2 = 0; - if (par->fb_ready) - synthvid_update(info); + spin_unlock_irqrestore(&par->delayed_refresh_lock, flags); - if (par->update) - schedule_delayed_work(&par->dwork, HVFB_UPDATE_DELAY); + if (x1 > info->var.xres || x2 > info->var.xres || + y1 > info->var.yres || y2 > info->var.yres || x2 <= x1) + return; + + /* Copy the dirty rectangle to frame buffer memory */ + if (par->need_docopy) + for (j = y1; j < y2; j++) + hvfb_docopy(par, + j * info->fix.line_length + + (x1 * screen_depth / 8), + (x2 - x1) * screen_depth / 8); + + /* Refresh */ + if (par->fb_ready && par->update) + synthvid_update(info, x1, y1, x2, y2); +} + +/* + * Control the on-demand refresh frequency. It schedules a delayed + * screen update if it has not yet. + */ +static void hvfb_ondemand_refresh_throttle(struct hvfb_par *par, + int x1, int y1, int w, int h) +{ + unsigned long flags; + int x2 = x1 + w; + int y2 = y1 + h; + + spin_lock_irqsave(&par->delayed_refresh_lock, flags); + + /* Merge dirty rectangle */ + par->x1 = min_t(int, par->x1, x1); + par->y1 = min_t(int, par->y1, y1); + par->x2 = max_t(int, par->x2, x2); + par->y2 = max_t(int, par->y2, y2); + + /* Schedule a delayed screen update if not yet */ + if (par->delayed_refresh == false) { + schedule_delayed_work(&par->dwork, + HVFB_ONDEMAND_THROTTLE); + par->delayed_refresh = true; + } + + spin_unlock_irqrestore(&par->delayed_refresh_lock, flags); } static int hvfb_on_panic(struct notifier_block *nb, @@ -539,7 +813,9 @@ static int hvfb_on_panic(struct notifier_block *nb, par = container_of(nb, struct hvfb_par, hvfb_panic_nb); par->synchronous_fb = true; info = par->info; - synthvid_update(info); + if (par->need_docopy) + hvfb_docopy(par, 0, dio_fb_size); + synthvid_update(info, 0, 0, INT_MAX, INT_MAX); return NOTIFY_DONE; } @@ -600,7 +876,10 @@ static void hvfb_cfb_fillrect(struct fb_info *p, cfb_fillrect(p, rect); if (par->synchronous_fb) - synthvid_update(p); + synthvid_update(p, 0, 0, INT_MAX, INT_MAX); + else + hvfb_ondemand_refresh_throttle(par, rect->dx, rect->dy, + rect->width, rect->height); } static void hvfb_cfb_copyarea(struct fb_info *p, @@ -610,7 +889,10 @@ static void hvfb_cfb_copyarea(struct fb_info *p, cfb_copyarea(p, area); if (par->synchronous_fb) - synthvid_update(p); + synthvid_update(p, 0, 0, INT_MAX, INT_MAX); + else + hvfb_ondemand_refresh_throttle(par, area->dx, area->dy, + area->width, area->height); } static void hvfb_cfb_imageblit(struct fb_info *p, @@ -620,10 +902,13 @@ static void hvfb_cfb_imageblit(struct fb_info *p, cfb_imageblit(p, image); if (par->synchronous_fb) - synthvid_update(p); + synthvid_update(p, 0, 0, INT_MAX, INT_MAX); + else + hvfb_ondemand_refresh_throttle(par, image->dx, image->dy, + image->width, image->height); } -static struct fb_ops hvfb_ops = { +static const struct fb_ops hvfb_ops = { .owner = THIS_MODULE, .fb_check_var = hvfb_check_var, .fb_set_par = hvfb_set_par, @@ -653,6 +938,8 @@ static void hvfb_get_option(struct fb_info *info) } if (x < HVFB_WIDTH_MIN || y < HVFB_HEIGHT_MIN || + (synthvid_ver_ge(par->synthvid_version, SYNTHVID_VERSION_WIN10) && + (x > screen_width_max || y > screen_height_max)) || (par->synthvid_version == SYNTHVID_VERSION_WIN8 && x * y * screen_depth / 8 > SYNTHVID_FB_SIZE_WIN8) || (par->synthvid_version == SYNTHVID_VERSION_WIN7 && @@ -666,6 +953,62 @@ static void hvfb_get_option(struct fb_info *info) return; } +/* + * Allocate enough contiguous physical memory. + * Return physical address if succeeded or -1 if failed. + */ +static phys_addr_t hvfb_get_phymem(struct hv_device *hdev, + unsigned int request_size) +{ + struct page *page = NULL; + dma_addr_t dma_handle; + void *vmem; + phys_addr_t paddr = 0; + unsigned int order = get_order(request_size); + + if (request_size == 0) + return -1; + + if (order < MAX_ORDER) { + /* Call alloc_pages if the size is less than 2^MAX_ORDER */ + page = alloc_pages(GFP_KERNEL | __GFP_ZERO, order); + if (!page) + return -1; + + paddr = (page_to_pfn(page) << PAGE_SHIFT); + } else { + /* Allocate from CMA */ + hdev->device.coherent_dma_mask = DMA_BIT_MASK(64); + + vmem = dma_alloc_coherent(&hdev->device, + round_up(request_size, PAGE_SIZE), + &dma_handle, + GFP_KERNEL | __GFP_NOWARN); + + if (!vmem) + return -1; + + paddr = virt_to_phys(vmem); + } + + return paddr; +} + +/* Release contiguous physical memory */ +static void hvfb_release_phymem(struct hv_device *hdev, + phys_addr_t paddr, unsigned int size) +{ + unsigned int order = get_order(size); + + if (order < MAX_ORDER) + __free_pages(pfn_to_page(paddr >> PAGE_SHIFT), order); + else + dma_free_coherent(&hdev->device, + round_up(size, PAGE_SIZE), + phys_to_virt(paddr), + paddr); +} + /* Get framebuffer memory from Hyper-V video pci space */ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) @@ -675,22 +1018,68 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) void __iomem *fb_virt; int gen2vm = efi_enabled(EFI_BOOT); resource_size_t pot_start, pot_end; + phys_addr_t paddr; int ret; - if (gen2vm) { - pot_start = 0; - pot_end = -1; - } else { + info->apertures = alloc_apertures(1); + if (!info->apertures) + return -ENOMEM; + + if (!gen2vm) { pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT, - PCI_DEVICE_ID_HYPERV_VIDEO, NULL); + PCI_DEVICE_ID_HYPERV_VIDEO, NULL); if (!pdev) { pr_err("Unable to find PCI Hyper-V video\n"); + kfree(info->apertures); return -ENODEV; } + info->apertures->ranges[0].base = pci_resource_start(pdev, 0); + info->apertures->ranges[0].size = pci_resource_len(pdev, 0); + + /* + * For Gen 1 VM, we can directly use the contiguous memory + * from VM. If we succeed, deferred IO happens directly + * on this allocated framebuffer memory, avoiding extra + * memory copy. + */ + paddr = hvfb_get_phymem(hdev, screen_fb_size); + if (paddr != (phys_addr_t) -1) { + par->mmio_pp = paddr; + par->mmio_vp = par->dio_vp = __va(paddr); + + info->fix.smem_start = paddr; + info->fix.smem_len = screen_fb_size; + info->screen_base = par->mmio_vp; + info->screen_size = screen_fb_size; + + par->need_docopy = false; + goto getmem_done; + } + pr_info("Unable to allocate enough contiguous physical memory on Gen 1 VM. Using MMIO instead.\n"); + } else { + info->apertures->ranges[0].base = screen_info.lfb_base; + info->apertures->ranges[0].size = screen_info.lfb_size; + } + + /* + * Cannot use the contiguous physical memory. + * Allocate mmio space for framebuffer. + */ + dio_fb_size = + screen_width * screen_height * screen_depth / 8; + + if (gen2vm) { + pot_start = 0; + pot_end = -1; + } else { if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || - pci_resource_len(pdev, 0) < screen_fb_size) + pci_resource_len(pdev, 0) < screen_fb_size) { + pr_err("Resource not available or (0x%lx < 0x%lx)\n", + (unsigned long) pci_resource_len(pdev, 0), + (unsigned long) screen_fb_size); goto err1; + } pot_end = pci_resource_end(pdev, 0); pot_start = pot_end - screen_fb_size + 1; @@ -707,27 +1096,27 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) if (!fb_virt) goto err2; - info->apertures = alloc_apertures(1); - if (!info->apertures) + /* Allocate memory for deferred IO */ + par->dio_vp = vzalloc(round_up(dio_fb_size, PAGE_SIZE)); + if (par->dio_vp == NULL) goto err3; - if (gen2vm) { - info->apertures->ranges[0].base = screen_info.lfb_base; - info->apertures->ranges[0].size = screen_info.lfb_size; - remove_conflicting_framebuffers(info->apertures, - KBUILD_MODNAME, false); - } else { - info->apertures->ranges[0].base = pci_resource_start(pdev, 0); - info->apertures->ranges[0].size = pci_resource_len(pdev, 0); - } + /* Physical address of FB device */ + par->mmio_pp = par->mem->start; + /* Virtual address of FB device */ + par->mmio_vp = (unsigned char *) fb_virt; info->fix.smem_start = par->mem->start; - info->fix.smem_len = screen_fb_size; - info->screen_base = fb_virt; - info->screen_size = screen_fb_size; + info->fix.smem_len = dio_fb_size; + info->screen_base = par->dio_vp; + info->screen_size = dio_fb_size; +getmem_done: + remove_conflicting_framebuffers(info->apertures, + KBUILD_MODNAME, false); if (!gen2vm) pci_dev_put(pdev); + kfree(info->apertures); return 0; @@ -739,17 +1128,25 @@ err2: err1: if (!gen2vm) pci_dev_put(pdev); + kfree(info->apertures); return -ENOMEM; } /* Release the framebuffer */ -static void hvfb_putmem(struct fb_info *info) +static void hvfb_putmem(struct hv_device *hdev, struct fb_info *info) { struct hvfb_par *par = info->par; - iounmap(info->screen_base); - vmbus_free_mmio(par->mem->start, screen_fb_size); + if (par->need_docopy) { + vfree(par->dio_vp); + iounmap(info->screen_base); + vmbus_free_mmio(par->mem->start, screen_fb_size); + } else { + hvfb_release_phymem(hdev, info->fix.smem_start, + screen_fb_size); + } + par->mem = NULL; } @@ -768,9 +1165,15 @@ static int hvfb_probe(struct hv_device *hdev, par = info->par; par->info = info; par->fb_ready = false; + par->need_docopy = true; init_completion(&par->wait); INIT_DELAYED_WORK(&par->dwork, hvfb_update_work); + par->delayed_refresh = false; + spin_lock_init(&par->delayed_refresh_lock); + par->x1 = par->y1 = INT_MAX; + par->x2 = par->y2 = 0; + /* Connect to VSP */ hv_set_drvdata(hdev, info); ret = synthvid_connect_vsp(hdev); @@ -779,17 +1182,16 @@ static int hvfb_probe(struct hv_device *hdev, goto error1; } + hvfb_get_option(info); + pr_info("Screen resolution: %dx%d, Color depth: %d\n", + screen_width, screen_height, screen_depth); + ret = hvfb_getmem(hdev, info); if (ret) { pr_err("No memory for framebuffer\n"); goto error2; } - hvfb_get_option(info); - pr_info("Screen resolution: %dx%d, Color depth: %d\n", - screen_width, screen_height, screen_depth); - - /* Set up fb_info */ info->flags = FBINFO_DEFAULT; @@ -823,6 +1225,10 @@ static int hvfb_probe(struct hv_device *hdev, info->fbops = &hvfb_ops; info->pseudo_palette = par->pseudo_palette; + /* Initialize deferred IO */ + info->fbdefio = &synthvid_defio; + fb_deferred_io_init(info); + /* Send config to host */ ret = synthvid_send_config(hdev); if (ret) @@ -844,7 +1250,8 @@ static int hvfb_probe(struct hv_device *hdev, return 0; error: - hvfb_putmem(info); + fb_deferred_io_cleanup(info); + hvfb_putmem(hdev, info); error2: vmbus_close(hdev->channel); error1: @@ -866,18 +1273,77 @@ static int hvfb_remove(struct hv_device *hdev) par->update = false; par->fb_ready = false; + fb_deferred_io_cleanup(info); + unregister_framebuffer(info); cancel_delayed_work_sync(&par->dwork); vmbus_close(hdev->channel); hv_set_drvdata(hdev, NULL); - hvfb_putmem(info); + hvfb_putmem(hdev, info); framebuffer_release(info); return 0; } +static int hvfb_suspend(struct hv_device *hdev) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par = info->par; + + console_lock(); + + /* 1 means do suspend */ + fb_set_suspend(info, 1); + + cancel_delayed_work_sync(&par->dwork); + cancel_delayed_work_sync(&info->deferred_work); + + par->update_saved = par->update; + par->update = false; + par->fb_ready = false; + + vmbus_close(hdev->channel); + + console_unlock(); + + return 0; +} + +static int hvfb_resume(struct hv_device *hdev) +{ + struct fb_info *info = hv_get_drvdata(hdev); + struct hvfb_par *par = info->par; + int ret; + + console_lock(); + + ret = synthvid_connect_vsp(hdev); + if (ret != 0) + goto out; + + ret = synthvid_send_config(hdev); + if (ret != 0) { + vmbus_close(hdev->channel); + goto out; + } + + par->fb_ready = true; + par->update = par->update_saved; + + schedule_delayed_work(&info->deferred_work, info->fbdefio->delay); + schedule_delayed_work(&par->dwork, HVFB_UPDATE_DELAY); + + /* 0 means do resume */ + fb_set_suspend(info, 0); + +out: + console_unlock(); + + return ret; +} + static const struct pci_device_id pci_stub_id_table[] = { { @@ -901,6 +1367,8 @@ static struct hv_driver hvfb_drv = { .id_table = id_table, .probe = hvfb_probe, .remove = hvfb_remove, + .suspend = hvfb_suspend, + .resume = hvfb_resume, .driver = { .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c index 347cf8babc3e..c65ec7386e87 100644 --- a/drivers/video/fbdev/i740fb.c +++ b/drivers/video/fbdev/i740fb.c @@ -981,7 +981,7 @@ static int i740fb_blank(int blank_mode, struct fb_info *info) return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0; } -static struct fb_ops i740fb_ops = { +static const struct fb_ops i740fb_ops = { .owner = THIS_MODULE, .fb_open = i740fb_open, .fb_release = i740fb_release, diff --git a/drivers/video/fbdev/i810/i810_main.c b/drivers/video/fbdev/i810/i810_main.c index d18f7b31932c..aa7583d963ac 100644 --- a/drivers/video/fbdev/i810/i810_main.c +++ b/drivers/video/fbdev/i810/i810_main.c @@ -1883,7 +1883,7 @@ static int i810_allocate_pci_resource(struct i810fb_par *par, } par->res_flags |= MMIO_REQ; - par->mmio_start_virtual = ioremap_nocache(par->mmio_start_phys, + par->mmio_start_virtual = ioremap(par->mmio_start_phys, MMIO_SIZE); if (!par->mmio_start_virtual) { printk("i810fb_init: cannot remap mmio region\n"); diff --git a/drivers/video/fbdev/imsttfb.c b/drivers/video/fbdev/imsttfb.c index 58b01c7d9056..3ac053b88495 100644 --- a/drivers/video/fbdev/imsttfb.c +++ b/drivers/video/fbdev/imsttfb.c @@ -1333,7 +1333,7 @@ static struct pci_driver imsttfb_pci_driver = { .remove = imsttfb_remove, }; -static struct fb_ops imsttfb_ops = { +static const struct fb_ops imsttfb_ops = { .owner = THIS_MODULE, .fb_check_var = imsttfb_check_var, .fb_set_par = imsttfb_set_par, diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index b3286d1fa543..370bf2553d43 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -566,7 +566,7 @@ static int imxfb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops imxfb_ops = { +static const struct fb_ops imxfb_ops = { .owner = THIS_MODULE, .fb_check_var = imxfb_check_var, .fb_set_par = imxfb_set_par, @@ -1017,7 +1017,7 @@ static int imxfb_probe(struct platform_device *pdev) } fbi->lcd_pwr = devm_regulator_get(&pdev->dev, "lcd"); - if (IS_ERR(fbi->lcd_pwr) && (PTR_ERR(fbi->lcd_pwr) == -EPROBE_DEFER)) { + if (PTR_ERR(fbi->lcd_pwr) == -EPROBE_DEFER) { ret = -EPROBE_DEFER; goto failed_lcd; } diff --git a/drivers/video/fbdev/intelfb/intelfb.h b/drivers/video/fbdev/intelfb/intelfb.h index b54db05f028d..5de703902a21 100644 --- a/drivers/video/fbdev/intelfb/intelfb.h +++ b/drivers/video/fbdev/intelfb/intelfb.h @@ -273,7 +273,7 @@ struct intelfb_vsync { struct intelfb_info { struct fb_info *info; - struct fb_ops *fbops; + const struct fb_ops *fbops; struct pci_dev *pdev; struct intelfb_hwstate save_state; diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c index a76c61512c60..a9579964eaba 100644 --- a/drivers/video/fbdev/intelfb/intelfbdrv.c +++ b/drivers/video/fbdev/intelfb/intelfbdrv.c @@ -193,7 +193,7 @@ static const struct pci_device_id intelfb_pci_table[] = { static int num_registered = 0; /* fb ops */ -static struct fb_ops intel_fb_ops = { +static const struct fb_ops intel_fb_ops = { .owner = THIS_MODULE, .fb_open = intelfb_open, .fb_release = intelfb_release, @@ -654,7 +654,7 @@ static int intelfb_pci_register(struct pci_dev *pdev, } dinfo->mmio_base = - (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys, + (u8 __iomem *)ioremap(dinfo->mmio_base_phys, INTEL_REG_SIZE); if (!dinfo->mmio_base) { ERR_MSG("Cannot remap MMIO region.\n"); diff --git a/drivers/video/fbdev/jz4740_fb.c b/drivers/video/fbdev/jz4740_fb.c deleted file mode 100644 index 0b6fa25f6924..000000000000 --- a/drivers/video/fbdev/jz4740_fb.c +++ /dev/null @@ -1,690 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> - * JZ4740 SoC LCD framebuffer driver - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/platform_device.h> -#include <linux/pinctrl/consumer.h> - -#include <linux/clk.h> -#include <linux/delay.h> - -#include <linux/console.h> -#include <linux/fb.h> - -#include <linux/dma-mapping.h> - -#include <asm/mach-jz4740/jz4740_fb.h> - -#define JZ_REG_LCD_CFG 0x00 -#define JZ_REG_LCD_VSYNC 0x04 -#define JZ_REG_LCD_HSYNC 0x08 -#define JZ_REG_LCD_VAT 0x0C -#define JZ_REG_LCD_DAH 0x10 -#define JZ_REG_LCD_DAV 0x14 -#define JZ_REG_LCD_PS 0x18 -#define JZ_REG_LCD_CLS 0x1C -#define JZ_REG_LCD_SPL 0x20 -#define JZ_REG_LCD_REV 0x24 -#define JZ_REG_LCD_CTRL 0x30 -#define JZ_REG_LCD_STATE 0x34 -#define JZ_REG_LCD_IID 0x38 -#define JZ_REG_LCD_DA0 0x40 -#define JZ_REG_LCD_SA0 0x44 -#define JZ_REG_LCD_FID0 0x48 -#define JZ_REG_LCD_CMD0 0x4C -#define JZ_REG_LCD_DA1 0x50 -#define JZ_REG_LCD_SA1 0x54 -#define JZ_REG_LCD_FID1 0x58 -#define JZ_REG_LCD_CMD1 0x5C - -#define JZ_LCD_CFG_SLCD BIT(31) -#define JZ_LCD_CFG_PS_DISABLE BIT(23) -#define JZ_LCD_CFG_CLS_DISABLE BIT(22) -#define JZ_LCD_CFG_SPL_DISABLE BIT(21) -#define JZ_LCD_CFG_REV_DISABLE BIT(20) -#define JZ_LCD_CFG_HSYNCM BIT(19) -#define JZ_LCD_CFG_PCLKM BIT(18) -#define JZ_LCD_CFG_INV BIT(17) -#define JZ_LCD_CFG_SYNC_DIR BIT(16) -#define JZ_LCD_CFG_PS_POLARITY BIT(15) -#define JZ_LCD_CFG_CLS_POLARITY BIT(14) -#define JZ_LCD_CFG_SPL_POLARITY BIT(13) -#define JZ_LCD_CFG_REV_POLARITY BIT(12) -#define JZ_LCD_CFG_HSYNC_ACTIVE_LOW BIT(11) -#define JZ_LCD_CFG_PCLK_FALLING_EDGE BIT(10) -#define JZ_LCD_CFG_DE_ACTIVE_LOW BIT(9) -#define JZ_LCD_CFG_VSYNC_ACTIVE_LOW BIT(8) -#define JZ_LCD_CFG_18_BIT BIT(7) -#define JZ_LCD_CFG_PDW (BIT(5) | BIT(4)) -#define JZ_LCD_CFG_MODE_MASK 0xf - -#define JZ_LCD_CTRL_BURST_4 (0x0 << 28) -#define JZ_LCD_CTRL_BURST_8 (0x1 << 28) -#define JZ_LCD_CTRL_BURST_16 (0x2 << 28) -#define JZ_LCD_CTRL_RGB555 BIT(27) -#define JZ_LCD_CTRL_OFUP BIT(26) -#define JZ_LCD_CTRL_FRC_GRAYSCALE_16 (0x0 << 24) -#define JZ_LCD_CTRL_FRC_GRAYSCALE_4 (0x1 << 24) -#define JZ_LCD_CTRL_FRC_GRAYSCALE_2 (0x2 << 24) -#define JZ_LCD_CTRL_PDD_MASK (0xff << 16) -#define JZ_LCD_CTRL_EOF_IRQ BIT(13) -#define JZ_LCD_CTRL_SOF_IRQ BIT(12) -#define JZ_LCD_CTRL_OFU_IRQ BIT(11) -#define JZ_LCD_CTRL_IFU0_IRQ BIT(10) -#define JZ_LCD_CTRL_IFU1_IRQ BIT(9) -#define JZ_LCD_CTRL_DD_IRQ BIT(8) -#define JZ_LCD_CTRL_QDD_IRQ BIT(7) -#define JZ_LCD_CTRL_REVERSE_ENDIAN BIT(6) -#define JZ_LCD_CTRL_LSB_FISRT BIT(5) -#define JZ_LCD_CTRL_DISABLE BIT(4) -#define JZ_LCD_CTRL_ENABLE BIT(3) -#define JZ_LCD_CTRL_BPP_1 0x0 -#define JZ_LCD_CTRL_BPP_2 0x1 -#define JZ_LCD_CTRL_BPP_4 0x2 -#define JZ_LCD_CTRL_BPP_8 0x3 -#define JZ_LCD_CTRL_BPP_15_16 0x4 -#define JZ_LCD_CTRL_BPP_18_24 0x5 - -#define JZ_LCD_CMD_SOF_IRQ BIT(31) -#define JZ_LCD_CMD_EOF_IRQ BIT(30) -#define JZ_LCD_CMD_ENABLE_PAL BIT(28) - -#define JZ_LCD_SYNC_MASK 0x3ff - -#define JZ_LCD_STATE_DISABLED BIT(0) - -struct jzfb_framedesc { - uint32_t next; - uint32_t addr; - uint32_t id; - uint32_t cmd; -} __packed; - -struct jzfb { - struct fb_info *fb; - struct platform_device *pdev; - void __iomem *base; - struct resource *mem; - struct jz4740_fb_platform_data *pdata; - - size_t vidmem_size; - void *vidmem; - dma_addr_t vidmem_phys; - struct jzfb_framedesc *framedesc; - dma_addr_t framedesc_phys; - - struct clk *ldclk; - struct clk *lpclk; - - unsigned is_enabled:1; - struct mutex lock; - - uint32_t pseudo_palette[16]; -}; - -static const struct fb_fix_screeninfo jzfb_fix = { - .id = "JZ4740 FB", - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_TRUECOLOR, - .xpanstep = 0, - .ypanstep = 0, - .ywrapstep = 0, - .accel = FB_ACCEL_NONE, -}; - -/* Based on CNVT_TOHW macro from skeletonfb.c */ -static inline uint32_t jzfb_convert_color_to_hw(unsigned val, - struct fb_bitfield *bf) -{ - return (((val << bf->length) + 0x7FFF - val) >> 16) << bf->offset; -} - -static int jzfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, struct fb_info *fb) -{ - uint32_t color; - - if (regno >= 16) - return -EINVAL; - - color = jzfb_convert_color_to_hw(red, &fb->var.red); - color |= jzfb_convert_color_to_hw(green, &fb->var.green); - color |= jzfb_convert_color_to_hw(blue, &fb->var.blue); - color |= jzfb_convert_color_to_hw(transp, &fb->var.transp); - - ((uint32_t *)(fb->pseudo_palette))[regno] = color; - - return 0; -} - -static int jzfb_get_controller_bpp(struct jzfb *jzfb) -{ - switch (jzfb->pdata->bpp) { - case 18: - case 24: - return 32; - case 15: - return 16; - default: - return jzfb->pdata->bpp; - } -} - -static struct fb_videomode *jzfb_get_mode(struct jzfb *jzfb, - struct fb_var_screeninfo *var) -{ - size_t i; - struct fb_videomode *mode = jzfb->pdata->modes; - - for (i = 0; i < jzfb->pdata->num_modes; ++i, ++mode) { - if (mode->xres == var->xres && mode->yres == var->yres) - return mode; - } - - return NULL; -} - -static int jzfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb) -{ - struct jzfb *jzfb = fb->par; - struct fb_videomode *mode; - - if (var->bits_per_pixel != jzfb_get_controller_bpp(jzfb) && - var->bits_per_pixel != jzfb->pdata->bpp) - return -EINVAL; - - mode = jzfb_get_mode(jzfb, var); - if (mode == NULL) - return -EINVAL; - - fb_videomode_to_var(var, mode); - - switch (jzfb->pdata->bpp) { - case 8: - break; - case 15: - var->red.offset = 10; - var->red.length = 5; - var->green.offset = 6; - var->green.length = 5; - var->blue.offset = 0; - var->blue.length = 5; - break; - case 16: - var->red.offset = 11; - var->red.length = 5; - var->green.offset = 5; - var->green.length = 6; - var->blue.offset = 0; - var->blue.length = 5; - break; - case 18: - var->red.offset = 16; - var->red.length = 6; - var->green.offset = 8; - var->green.length = 6; - var->blue.offset = 0; - var->blue.length = 6; - var->bits_per_pixel = 32; - break; - case 32: - case 24: - var->transp.offset = 24; - var->transp.length = 8; - var->red.offset = 16; - var->red.length = 8; - var->green.offset = 8; - var->green.length = 8; - var->blue.offset = 0; - var->blue.length = 8; - var->bits_per_pixel = 32; - break; - default: - break; - } - - return 0; -} - -static int jzfb_set_par(struct fb_info *info) -{ - struct jzfb *jzfb = info->par; - struct jz4740_fb_platform_data *pdata = jzfb->pdata; - struct fb_var_screeninfo *var = &info->var; - struct fb_videomode *mode; - uint16_t hds, vds; - uint16_t hde, vde; - uint16_t ht, vt; - uint32_t ctrl; - uint32_t cfg; - unsigned long rate; - - mode = jzfb_get_mode(jzfb, var); - if (mode == NULL) - return -EINVAL; - - if (mode == info->mode) - return 0; - - info->mode = mode; - - hds = mode->hsync_len + mode->left_margin; - hde = hds + mode->xres; - ht = hde + mode->right_margin; - - vds = mode->vsync_len + mode->upper_margin; - vde = vds + mode->yres; - vt = vde + mode->lower_margin; - - ctrl = JZ_LCD_CTRL_OFUP | JZ_LCD_CTRL_BURST_16; - - switch (pdata->bpp) { - case 1: - ctrl |= JZ_LCD_CTRL_BPP_1; - break; - case 2: - ctrl |= JZ_LCD_CTRL_BPP_2; - break; - case 4: - ctrl |= JZ_LCD_CTRL_BPP_4; - break; - case 8: - ctrl |= JZ_LCD_CTRL_BPP_8; - break; - case 15: - ctrl |= JZ_LCD_CTRL_RGB555; /* Falltrough */ - case 16: - ctrl |= JZ_LCD_CTRL_BPP_15_16; - break; - case 18: - case 24: - case 32: - ctrl |= JZ_LCD_CTRL_BPP_18_24; - break; - default: - break; - } - - cfg = pdata->lcd_type & 0xf; - - if (!(mode->sync & FB_SYNC_HOR_HIGH_ACT)) - cfg |= JZ_LCD_CFG_HSYNC_ACTIVE_LOW; - - if (!(mode->sync & FB_SYNC_VERT_HIGH_ACT)) - cfg |= JZ_LCD_CFG_VSYNC_ACTIVE_LOW; - - if (pdata->pixclk_falling_edge) - cfg |= JZ_LCD_CFG_PCLK_FALLING_EDGE; - - if (pdata->date_enable_active_low) - cfg |= JZ_LCD_CFG_DE_ACTIVE_LOW; - - if (pdata->lcd_type == JZ_LCD_TYPE_GENERIC_18_BIT) - cfg |= JZ_LCD_CFG_18_BIT; - - if (mode->pixclock) { - rate = PICOS2KHZ(mode->pixclock) * 1000; - mode->refresh = rate / vt / ht; - } else { - if (pdata->lcd_type == JZ_LCD_TYPE_8BIT_SERIAL) - rate = mode->refresh * (vt + 2 * mode->xres) * ht; - else - rate = mode->refresh * vt * ht; - - mode->pixclock = KHZ2PICOS(rate / 1000); - } - - mutex_lock(&jzfb->lock); - if (!jzfb->is_enabled) - clk_enable(jzfb->ldclk); - else - ctrl |= JZ_LCD_CTRL_ENABLE; - - switch (pdata->lcd_type) { - case JZ_LCD_TYPE_SPECIAL_TFT_1: - case JZ_LCD_TYPE_SPECIAL_TFT_2: - case JZ_LCD_TYPE_SPECIAL_TFT_3: - writel(pdata->special_tft_config.spl, jzfb->base + JZ_REG_LCD_SPL); - writel(pdata->special_tft_config.cls, jzfb->base + JZ_REG_LCD_CLS); - writel(pdata->special_tft_config.ps, jzfb->base + JZ_REG_LCD_PS); - writel(pdata->special_tft_config.ps, jzfb->base + JZ_REG_LCD_REV); - break; - default: - cfg |= JZ_LCD_CFG_PS_DISABLE; - cfg |= JZ_LCD_CFG_CLS_DISABLE; - cfg |= JZ_LCD_CFG_SPL_DISABLE; - cfg |= JZ_LCD_CFG_REV_DISABLE; - break; - } - - writel(mode->hsync_len, jzfb->base + JZ_REG_LCD_HSYNC); - writel(mode->vsync_len, jzfb->base + JZ_REG_LCD_VSYNC); - - writel((ht << 16) | vt, jzfb->base + JZ_REG_LCD_VAT); - - writel((hds << 16) | hde, jzfb->base + JZ_REG_LCD_DAH); - writel((vds << 16) | vde, jzfb->base + JZ_REG_LCD_DAV); - - writel(cfg, jzfb->base + JZ_REG_LCD_CFG); - - writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); - - if (!jzfb->is_enabled) - clk_disable_unprepare(jzfb->ldclk); - - mutex_unlock(&jzfb->lock); - - clk_set_rate(jzfb->lpclk, rate); - clk_set_rate(jzfb->ldclk, rate * 3); - - return 0; -} - -static void jzfb_enable(struct jzfb *jzfb) -{ - uint32_t ctrl; - - clk_prepare_enable(jzfb->ldclk); - - pinctrl_pm_select_default_state(&jzfb->pdev->dev); - - writel(0, jzfb->base + JZ_REG_LCD_STATE); - - writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0); - - ctrl = readl(jzfb->base + JZ_REG_LCD_CTRL); - ctrl |= JZ_LCD_CTRL_ENABLE; - ctrl &= ~JZ_LCD_CTRL_DISABLE; - writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); -} - -static void jzfb_disable(struct jzfb *jzfb) -{ - uint32_t ctrl; - - ctrl = readl(jzfb->base + JZ_REG_LCD_CTRL); - ctrl |= JZ_LCD_CTRL_DISABLE; - writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); - do { - ctrl = readl(jzfb->base + JZ_REG_LCD_STATE); - } while (!(ctrl & JZ_LCD_STATE_DISABLED)); - - pinctrl_pm_select_sleep_state(&jzfb->pdev->dev); - - clk_disable_unprepare(jzfb->ldclk); -} - -static int jzfb_blank(int blank_mode, struct fb_info *info) -{ - struct jzfb *jzfb = info->par; - - switch (blank_mode) { - case FB_BLANK_UNBLANK: - mutex_lock(&jzfb->lock); - if (jzfb->is_enabled) { - mutex_unlock(&jzfb->lock); - return 0; - } - - jzfb_enable(jzfb); - jzfb->is_enabled = 1; - - mutex_unlock(&jzfb->lock); - break; - default: - mutex_lock(&jzfb->lock); - if (!jzfb->is_enabled) { - mutex_unlock(&jzfb->lock); - return 0; - } - - jzfb_disable(jzfb); - jzfb->is_enabled = 0; - - mutex_unlock(&jzfb->lock); - break; - } - - return 0; -} - -static int jzfb_alloc_devmem(struct jzfb *jzfb) -{ - int max_videosize = 0; - struct fb_videomode *mode = jzfb->pdata->modes; - int i; - - for (i = 0; i < jzfb->pdata->num_modes; ++mode, ++i) { - if (max_videosize < mode->xres * mode->yres) - max_videosize = mode->xres * mode->yres; - } - - max_videosize *= jzfb_get_controller_bpp(jzfb) >> 3; - - jzfb->framedesc = dma_alloc_coherent(&jzfb->pdev->dev, - sizeof(*jzfb->framedesc), - &jzfb->framedesc_phys, GFP_KERNEL); - - if (!jzfb->framedesc) - return -ENOMEM; - - jzfb->vidmem_size = PAGE_ALIGN(max_videosize); - jzfb->vidmem = dma_alloc_coherent(&jzfb->pdev->dev, - jzfb->vidmem_size, - &jzfb->vidmem_phys, GFP_KERNEL); - - if (!jzfb->vidmem) - goto err_free_framedesc; - - jzfb->framedesc->next = jzfb->framedesc_phys; - jzfb->framedesc->addr = jzfb->vidmem_phys; - jzfb->framedesc->id = 0xdeafbead; - jzfb->framedesc->cmd = 0; - jzfb->framedesc->cmd |= max_videosize / 4; - - return 0; - -err_free_framedesc: - dma_free_coherent(&jzfb->pdev->dev, sizeof(*jzfb->framedesc), - jzfb->framedesc, jzfb->framedesc_phys); - return -ENOMEM; -} - -static void jzfb_free_devmem(struct jzfb *jzfb) -{ - dma_free_coherent(&jzfb->pdev->dev, jzfb->vidmem_size, - jzfb->vidmem, jzfb->vidmem_phys); - dma_free_coherent(&jzfb->pdev->dev, sizeof(*jzfb->framedesc), - jzfb->framedesc, jzfb->framedesc_phys); -} - -static struct fb_ops jzfb_ops = { - .owner = THIS_MODULE, - .fb_check_var = jzfb_check_var, - .fb_set_par = jzfb_set_par, - .fb_blank = jzfb_blank, - .fb_fillrect = sys_fillrect, - .fb_copyarea = sys_copyarea, - .fb_imageblit = sys_imageblit, - .fb_setcolreg = jzfb_setcolreg, -}; - -static int jzfb_probe(struct platform_device *pdev) -{ - int ret; - struct jzfb *jzfb; - struct fb_info *fb; - struct jz4740_fb_platform_data *pdata = pdev->dev.platform_data; - struct resource *mem; - - if (!pdata) { - dev_err(&pdev->dev, "Missing platform data\n"); - return -ENXIO; - } - - fb = framebuffer_alloc(sizeof(struct jzfb), &pdev->dev); - if (!fb) - return -ENOMEM; - - fb->fbops = &jzfb_ops; - fb->flags = FBINFO_DEFAULT; - - jzfb = fb->par; - jzfb->pdev = pdev; - jzfb->pdata = pdata; - - jzfb->ldclk = devm_clk_get(&pdev->dev, "lcd"); - if (IS_ERR(jzfb->ldclk)) { - ret = PTR_ERR(jzfb->ldclk); - dev_err(&pdev->dev, "Failed to get lcd clock: %d\n", ret); - goto err_framebuffer_release; - } - - jzfb->lpclk = devm_clk_get(&pdev->dev, "lcd_pclk"); - if (IS_ERR(jzfb->lpclk)) { - ret = PTR_ERR(jzfb->lpclk); - dev_err(&pdev->dev, "Failed to get lcd pixel clock: %d\n", ret); - goto err_framebuffer_release; - } - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - jzfb->base = devm_ioremap_resource(&pdev->dev, mem); - if (IS_ERR(jzfb->base)) { - ret = PTR_ERR(jzfb->base); - goto err_framebuffer_release; - } - - platform_set_drvdata(pdev, jzfb); - - mutex_init(&jzfb->lock); - - fb_videomode_to_modelist(pdata->modes, pdata->num_modes, - &fb->modelist); - fb_videomode_to_var(&fb->var, pdata->modes); - fb->var.bits_per_pixel = pdata->bpp; - jzfb_check_var(&fb->var, fb); - - ret = jzfb_alloc_devmem(jzfb); - if (ret) { - dev_err(&pdev->dev, "Failed to allocate video memory\n"); - goto err_framebuffer_release; - } - - fb->fix = jzfb_fix; - fb->fix.line_length = fb->var.bits_per_pixel * fb->var.xres / 8; - fb->fix.mmio_start = mem->start; - fb->fix.mmio_len = resource_size(mem); - fb->fix.smem_start = jzfb->vidmem_phys; - fb->fix.smem_len = fb->fix.line_length * fb->var.yres; - fb->screen_base = jzfb->vidmem; - fb->pseudo_palette = jzfb->pseudo_palette; - - fb_alloc_cmap(&fb->cmap, 256, 0); - - clk_prepare_enable(jzfb->ldclk); - jzfb->is_enabled = 1; - - writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0); - - fb->mode = NULL; - jzfb_set_par(fb); - - ret = register_framebuffer(fb); - if (ret) { - dev_err(&pdev->dev, "Failed to register framebuffer: %d\n", ret); - goto err_free_devmem; - } - - jzfb->fb = fb; - - return 0; - -err_free_devmem: - fb_dealloc_cmap(&fb->cmap); - jzfb_free_devmem(jzfb); -err_framebuffer_release: - framebuffer_release(fb); - return ret; -} - -static int jzfb_remove(struct platform_device *pdev) -{ - struct jzfb *jzfb = platform_get_drvdata(pdev); - - jzfb_blank(FB_BLANK_POWERDOWN, jzfb->fb); - - fb_dealloc_cmap(&jzfb->fb->cmap); - jzfb_free_devmem(jzfb); - - framebuffer_release(jzfb->fb); - - return 0; -} - -#ifdef CONFIG_PM - -static int jzfb_suspend(struct device *dev) -{ - struct jzfb *jzfb = dev_get_drvdata(dev); - - console_lock(); - fb_set_suspend(jzfb->fb, 1); - console_unlock(); - - mutex_lock(&jzfb->lock); - if (jzfb->is_enabled) - jzfb_disable(jzfb); - mutex_unlock(&jzfb->lock); - - return 0; -} - -static int jzfb_resume(struct device *dev) -{ - struct jzfb *jzfb = dev_get_drvdata(dev); - clk_prepare_enable(jzfb->ldclk); - - mutex_lock(&jzfb->lock); - if (jzfb->is_enabled) - jzfb_enable(jzfb); - mutex_unlock(&jzfb->lock); - - console_lock(); - fb_set_suspend(jzfb->fb, 0); - console_unlock(); - - return 0; -} - -static const struct dev_pm_ops jzfb_pm_ops = { - .suspend = jzfb_suspend, - .resume = jzfb_resume, - .poweroff = jzfb_suspend, - .restore = jzfb_resume, -}; - -#define JZFB_PM_OPS (&jzfb_pm_ops) - -#else -#define JZFB_PM_OPS NULL -#endif - -static struct platform_driver jzfb_driver = { - .probe = jzfb_probe, - .remove = jzfb_remove, - .driver = { - .name = "jz4740-fb", - .pm = JZFB_PM_OPS, - }, -}; -module_platform_driver(jzfb_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -MODULE_DESCRIPTION("JZ4740 SoC LCD framebuffer driver"); -MODULE_ALIAS("platform:jz4740-fb"); diff --git a/drivers/video/fbdev/kyro/fbdev.c b/drivers/video/fbdev/kyro/fbdev.c index a7bd9f25911b..8fbde92ae8b9 100644 --- a/drivers/video/fbdev/kyro/fbdev.c +++ b/drivers/video/fbdev/kyro/fbdev.c @@ -648,7 +648,7 @@ static struct pci_driver kyrofb_pci_driver = { .remove = kyrofb_remove, }; -static struct fb_ops kyrofb_ops = { +static const struct fb_ops kyrofb_ops = { .owner = THIS_MODULE, .fb_check_var = kyrofb_check_var, .fb_set_par = kyrofb_set_par, @@ -683,7 +683,7 @@ static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) kyro_fix.mmio_len = pci_resource_len(pdev, 1); currentpar->regbase = deviceInfo.pSTGReg = - ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len); + ioremap(kyro_fix.mmio_start, kyro_fix.mmio_len); if (!currentpar->regbase) goto out_free_fb; diff --git a/drivers/video/fbdev/leo.c b/drivers/video/fbdev/leo.c index 5b1141ac182b..40b11cce0ad6 100644 --- a/drivers/video/fbdev/leo.c +++ b/drivers/video/fbdev/leo.c @@ -39,7 +39,7 @@ static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *); * Frame buffer operations */ -static struct fb_ops leo_ops = { +static const struct fb_ops leo_ops = { .owner = THIS_MODULE, .fb_setcolreg = leo_setcolreg, .fb_blank = leo_blank, diff --git a/drivers/video/fbdev/macfb.c b/drivers/video/fbdev/macfb.c index 9a6feee96133..e05a97662ca8 100644 --- a/drivers/video/fbdev/macfb.c +++ b/drivers/video/fbdev/macfb.c @@ -496,7 +496,7 @@ static int macfb_setcolreg(unsigned regno, unsigned red, unsigned green, return 0; } -static struct fb_ops macfb_ops = { +static const struct fb_ops macfb_ops = { .owner = THIS_MODULE, .fb_setcolreg = macfb_setcolreg, .fb_fillrect = cfb_fillrect, diff --git a/drivers/video/fbdev/matrox/i2c-matroxfb.c b/drivers/video/fbdev/matrox/i2c-matroxfb.c index 34e2659c3189..e2e4705e3fe0 100644 --- a/drivers/video/fbdev/matrox/i2c-matroxfb.c +++ b/drivers/video/fbdev/matrox/i2c-matroxfb.c @@ -191,8 +191,8 @@ static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) { 0x1b, I2C_CLIENT_END }; - i2c_new_probed_device(&m2info->maven.adapter, - &maven_info, addr_list, NULL); + i2c_new_scanned_device(&m2info->maven.adapter, + &maven_info, addr_list, NULL); } } return m2info; diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c index 1a555f70923a..36cc718b96ae 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.c +++ b/drivers/video/fbdev/matrox/matroxfb_base.c @@ -1710,7 +1710,7 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b) memsize = mem; err = -ENOMEM; - minfo->mmio.vbase.vaddr = ioremap_nocache(ctrlptr_phys, 16384); + minfo->mmio.vbase.vaddr = ioremap(ctrlptr_phys, 16384); if (!minfo->mmio.vbase.vaddr) { printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys); goto failVideoMR; diff --git a/drivers/video/fbdev/matrox/matroxfb_crtc2.c b/drivers/video/fbdev/matrox/matroxfb_crtc2.c index d2a81a2c3ac0..7655afa3fd50 100644 --- a/drivers/video/fbdev/matrox/matroxfb_crtc2.c +++ b/drivers/video/fbdev/matrox/matroxfb_crtc2.c @@ -563,7 +563,7 @@ static int matroxfb_dh_blank(int blank, struct fb_info* info) { #undef m2info } -static struct fb_ops matroxfb_dh_ops = { +static const struct fb_ops matroxfb_dh_ops = { .owner = THIS_MODULE, .fb_open = matroxfb_dh_open, .fb_release = matroxfb_dh_release, diff --git a/drivers/video/fbdev/matrox/matroxfb_misc.c b/drivers/video/fbdev/matrox/matroxfb_misc.c index c7aaca12805e..8f159a2ad8d0 100644 --- a/drivers/video/fbdev/matrox/matroxfb_misc.c +++ b/drivers/video/fbdev/matrox/matroxfb_misc.c @@ -673,7 +673,10 @@ static int parse_pins5(struct matrox_fb_info *minfo, if (bd->pins[115] & 4) { minfo->values.reg.mctlwtst_core = minfo->values.reg.mctlwtst; } else { - u_int32_t wtst_xlat[] = { 0, 1, 5, 6, 7, 5, 2, 3 }; + static const u8 wtst_xlat[] = { + 0, 1, 5, 6, 7, 5, 2, 3 + }; + minfo->values.reg.mctlwtst_core = (minfo->values.reg.mctlwtst & ~7) | wtst_xlat[minfo->values.reg.mctlwtst & 7]; } diff --git a/drivers/video/fbdev/maxinefb.c b/drivers/video/fbdev/maxinefb.c index 5bb1b5c308a7..ae1a42bcb0ea 100644 --- a/drivers/video/fbdev/maxinefb.c +++ b/drivers/video/fbdev/maxinefb.c @@ -105,7 +105,7 @@ static int maxinefb_setcolreg(unsigned regno, unsigned red, unsigned green, return 0; } -static struct fb_ops maxinefb_ops = { +static const struct fb_ops maxinefb_ops = { .owner = THIS_MODULE, .fb_setcolreg = maxinefb_setcolreg, .fb_fillrect = cfb_fillrect, diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb.h b/drivers/video/fbdev/mb862xx/mb862xxfb.h index 50bc9b584ca1..52a77ea4e849 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfb.h +++ b/drivers/video/fbdev/mb862xx/mb862xxfb.h @@ -89,7 +89,7 @@ struct mb862xxfb_par { u32 pseudo_palette[16]; }; -extern void mb862xxfb_init_accel(struct fb_info *info, int xres); +extern void mb862xxfb_init_accel(struct fb_info *info, struct fb_ops *fbops, int xres); #ifdef CONFIG_FB_MB862XX_I2C extern int mb862xx_i2c_init(struct mb862xxfb_par *par); extern void mb862xx_i2c_exit(struct mb862xxfb_par *par); diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c index f58ff900e82a..42569264801f 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c +++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c @@ -303,19 +303,19 @@ static void mb86290fb_fillrect(struct fb_info *info, mb862xxfb_write_fifo(7, cmd, info); } -void mb862xxfb_init_accel(struct fb_info *info, int xres) +void mb862xxfb_init_accel(struct fb_info *info, struct fb_ops *fbops, int xres) { struct mb862xxfb_par *par = info->par; if (info->var.bits_per_pixel == 32) { - info->fbops->fb_fillrect = cfb_fillrect; - info->fbops->fb_copyarea = cfb_copyarea; - info->fbops->fb_imageblit = cfb_imageblit; + fbops->fb_fillrect = cfb_fillrect; + fbops->fb_copyarea = cfb_copyarea; + fbops->fb_imageblit = cfb_imageblit; } else { outreg(disp, GC_L0EM, 3); - info->fbops->fb_fillrect = mb86290fb_fillrect; - info->fbops->fb_copyarea = mb86290fb_copyarea; - info->fbops->fb_imageblit = mb86290fb_imageblit; + fbops->fb_fillrect = mb86290fb_fillrect; + fbops->fb_copyarea = mb86290fb_copyarea; + fbops->fb_imageblit = mb86290fb_imageblit; } outreg(draw, GDC_REG_DRAW_BASE, 0); outreg(draw, GDC_REG_MODE_MISC, 0x8000); @@ -326,6 +326,5 @@ void mb862xxfb_init_accel(struct fb_info *info, int xres) FBINFO_HWACCEL_IMAGEBLIT; info->fix.accel = 0xff; /*FIXME: add right define */ } -EXPORT_SYMBOL(mb862xxfb_init_accel); MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c index 962c0171d271..52755b591c14 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c +++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c @@ -194,6 +194,8 @@ static int mb862xxfb_check_var(struct fb_var_screeninfo *var, return 0; } +static struct fb_ops mb862xxfb_ops; + /* * set display parameters */ @@ -204,7 +206,7 @@ static int mb862xxfb_set_par(struct fb_info *fbi) dev_dbg(par->dev, "%s\n", __func__); if (par->type == BT_CORALP) - mb862xxfb_init_accel(fbi, fbi->var.xres); + mb862xxfb_init_accel(fbi, &mb862xxfb_ops, fbi->var.xres); if (par->pre_init) return 0; diff --git a/drivers/video/fbdev/mbx/mbxfb.c b/drivers/video/fbdev/mbx/mbxfb.c index 50935252b50b..6dc287c819cb 100644 --- a/drivers/video/fbdev/mbx/mbxfb.c +++ b/drivers/video/fbdev/mbx/mbxfb.c @@ -671,7 +671,7 @@ static int mbxfb_ioctl(struct fb_info *info, unsigned int cmd, return -EINVAL; } -static struct fb_ops mbxfb_ops = { +static const struct fb_ops mbxfb_ops = { .owner = THIS_MODULE, .fb_check_var = mbxfb_check_var, .fb_set_par = mbxfb_set_par, @@ -938,7 +938,7 @@ static int mbxfb_probe(struct platform_device *dev) } mfbi->reg_phys_addr = mfbi->reg_res->start; - mfbi->reg_virt_addr = devm_ioremap_nocache(&dev->dev, + mfbi->reg_virt_addr = devm_ioremap(&dev->dev, mfbi->reg_phys_addr, res_size(mfbi->reg_req)); if (!mfbi->reg_virt_addr) { @@ -948,7 +948,7 @@ static int mbxfb_probe(struct platform_device *dev) } virt_base_2700 = mfbi->reg_virt_addr; - mfbi->fb_virt_addr = devm_ioremap_nocache(&dev->dev, mfbi->fb_phys_addr, + mfbi->fb_virt_addr = devm_ioremap(&dev->dev, mfbi->fb_phys_addr, res_size(mfbi->fb_req)); if (!mfbi->fb_virt_addr) { dev_err(&dev->dev, "failed to ioremap frame buffer\n"); diff --git a/drivers/video/fbdev/metronomefb.c b/drivers/video/fbdev/metronomefb.c index bb4fee52e501..a42e2eceee48 100644 --- a/drivers/video/fbdev/metronomefb.c +++ b/drivers/video/fbdev/metronomefb.c @@ -558,7 +558,7 @@ static ssize_t metronomefb_write(struct fb_info *info, const char __user *buf, return (err) ? err : count; } -static struct fb_ops metronomefb_ops = { +static const struct fb_ops metronomefb_ops = { .owner = THIS_MODULE, .fb_write = metronomefb_write, .fb_fillrect = metronomefb_fillrect, diff --git a/drivers/video/fbdev/mmp/Kconfig b/drivers/video/fbdev/mmp/Kconfig index 9041ffd2cfcf..5c6cc97c96f0 100644 --- a/drivers/video/fbdev/mmp/Kconfig +++ b/drivers/video/fbdev/mmp/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only menuconfig MMP_DISP tristate "Marvell MMP Display Subsystem support" - depends on CPU_PXA910 || CPU_MMP2 + depends on CPU_PXA910 || CPU_MMP2 || COMPILE_TEST help Marvell Display Subsystem support. diff --git a/drivers/video/fbdev/mmp/core.c b/drivers/video/fbdev/mmp/core.c index 0ffc1b7b7052..154127256a2c 100644 --- a/drivers/video/fbdev/mmp/core.c +++ b/drivers/video/fbdev/mmp/core.c @@ -153,13 +153,11 @@ EXPORT_SYMBOL_GPL(mmp_get_path); struct mmp_path *mmp_register_path(struct mmp_path_info *info) { int i; - size_t size; struct mmp_path *path = NULL; struct mmp_panel *panel; - size = sizeof(struct mmp_path) - + sizeof(struct mmp_overlay) * info->overlay_num; - path = kzalloc(size, GFP_KERNEL); + path = kzalloc(struct_size(path, overlays, info->overlay_num), + GFP_KERNEL); if (!path) return NULL; diff --git a/drivers/video/fbdev/mmp/fb/Kconfig b/drivers/video/fbdev/mmp/fb/Kconfig index 39944eb23ef8..0ec2e3fb9e17 100644 --- a/drivers/video/fbdev/mmp/fb/Kconfig +++ b/drivers/video/fbdev/mmp/fb/Kconfig @@ -1,6 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -if MMP_DISP - config MMP_FB tristate "fb driver for Marvell MMP Display Subsystem" depends on FB @@ -10,5 +8,3 @@ config MMP_FB default y help fb driver for Marvell MMP Display Subsystem - -endif diff --git a/drivers/video/fbdev/mmp/fb/mmpfb.c b/drivers/video/fbdev/mmp/fb/mmpfb.c index e5b56f2199df..01c75c031cb6 100644 --- a/drivers/video/fbdev/mmp/fb/mmpfb.c +++ b/drivers/video/fbdev/mmp/fb/mmpfb.c @@ -454,7 +454,7 @@ static int mmpfb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops mmpfb_ops = { +static const struct fb_ops mmpfb_ops = { .owner = THIS_MODULE, .fb_blank = mmpfb_blank, .fb_check_var = mmpfb_check_var, @@ -522,7 +522,7 @@ static int fb_info_setup(struct fb_info *info, info->var.bits_per_pixel / 8; info->fbops = &mmpfb_ops; info->pseudo_palette = fbi->pseudo_palette; - info->screen_base = fbi->fb_start; + info->screen_buffer = fbi->fb_start; info->screen_size = fbi->fb_size; /* For FB framework: Allocate color map and Register framebuffer*/ @@ -612,7 +612,6 @@ static int mmpfb_probe(struct platform_device *pdev) ret = -ENOMEM; goto failed_destroy_mutex; } - memset(fbi->fb_start, 0, fbi->fb_size); dev_info(fbi->dev, "fb %dk allocated\n", fbi->fb_size/1024); /* fb power on */ diff --git a/drivers/video/fbdev/mmp/hw/Kconfig b/drivers/video/fbdev/mmp/hw/Kconfig index 4d018cf661ec..7ebe125093d5 100644 --- a/drivers/video/fbdev/mmp/hw/Kconfig +++ b/drivers/video/fbdev/mmp/hw/Kconfig @@ -1,9 +1,8 @@ # SPDX-License-Identifier: GPL-2.0-only -if MMP_DISP - config MMP_DISP_CONTROLLER bool "mmp display controller hw support" - depends on CPU_PXA910 || CPU_MMP2 + depends on HAVE_CLK && HAS_IOMEM + depends on CPU_PXA910 || CPU_MMP2 || COMPILE_TEST help Marvell MMP display hw controller support this controller is used on Marvell PXA910 and @@ -16,5 +15,3 @@ config MMP_DISP_SPI help Marvell MMP display hw controller spi port support will register as a spi master for panel usage - -endif diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c index 17174cd7a5bb..061a105afb86 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c +++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c @@ -136,19 +136,26 @@ static void overlay_set_win(struct mmp_overlay *overlay, struct mmp_win *win) mutex_lock(&overlay->access_ok); if (overlay_is_vid(overlay)) { - writel_relaxed(win->pitch[0], ®s->v_pitch_yc); - writel_relaxed(win->pitch[2] << 16 | - win->pitch[1], ®s->v_pitch_uv); - - writel_relaxed((win->ysrc << 16) | win->xsrc, ®s->v_size); - writel_relaxed((win->ydst << 16) | win->xdst, ®s->v_size_z); - writel_relaxed(win->ypos << 16 | win->xpos, ®s->v_start); + writel_relaxed(win->pitch[0], + (void __iomem *)®s->v_pitch_yc); + writel_relaxed(win->pitch[2] << 16 | win->pitch[1], + (void __iomem *)®s->v_pitch_uv); + + writel_relaxed((win->ysrc << 16) | win->xsrc, + (void __iomem *)®s->v_size); + writel_relaxed((win->ydst << 16) | win->xdst, + (void __iomem *)®s->v_size_z); + writel_relaxed(win->ypos << 16 | win->xpos, + (void __iomem *)®s->v_start); } else { - writel_relaxed(win->pitch[0], ®s->g_pitch); - - writel_relaxed((win->ysrc << 16) | win->xsrc, ®s->g_size); - writel_relaxed((win->ydst << 16) | win->xdst, ®s->g_size_z); - writel_relaxed(win->ypos << 16 | win->xpos, ®s->g_start); + writel_relaxed(win->pitch[0], (void __iomem *)®s->g_pitch); + + writel_relaxed((win->ysrc << 16) | win->xsrc, + (void __iomem *)®s->g_size); + writel_relaxed((win->ydst << 16) | win->xdst, + (void __iomem *)®s->g_size_z); + writel_relaxed(win->ypos << 16 | win->xpos, + (void __iomem *)®s->g_start); } dmafetch_set_fmt(overlay); @@ -233,11 +240,11 @@ static int overlay_set_addr(struct mmp_overlay *overlay, struct mmp_addr *addr) memcpy(&overlay->addr, addr, sizeof(struct mmp_addr)); if (overlay_is_vid(overlay)) { - writel_relaxed(addr->phys[0], ®s->v_y0); - writel_relaxed(addr->phys[1], ®s->v_u0); - writel_relaxed(addr->phys[2], ®s->v_v0); + writel_relaxed(addr->phys[0], (void __iomem *)®s->v_y0); + writel_relaxed(addr->phys[1], (void __iomem *)®s->v_u0); + writel_relaxed(addr->phys[2], (void __iomem *)®s->v_v0); } else - writel_relaxed(addr->phys[0], ®s->g_0); + writel_relaxed(addr->phys[0], (void __iomem *)®s->g_0); return overlay->addr.phys[0]; } @@ -268,16 +275,18 @@ static void path_set_mode(struct mmp_path *path, struct mmp_mode *mode) tmp |= dsi_rbswap & CFG_INTFRBSWAP_MASK; writel_relaxed(tmp, ctrl_regs(path) + intf_rbswap_ctrl(path->id)); - writel_relaxed((mode->yres << 16) | mode->xres, ®s->screen_active); + writel_relaxed((mode->yres << 16) | mode->xres, + (void __iomem *)®s->screen_active); writel_relaxed((mode->left_margin << 16) | mode->right_margin, - ®s->screen_h_porch); + (void __iomem *)®s->screen_h_porch); writel_relaxed((mode->upper_margin << 16) | mode->lower_margin, - ®s->screen_v_porch); + (void __iomem *)®s->screen_v_porch); total_x = mode->xres + mode->left_margin + mode->right_margin + mode->hsync_len; total_y = mode->yres + mode->upper_margin + mode->lower_margin + mode->vsync_len; - writel_relaxed((total_y << 16) | total_x, ®s->screen_size); + writel_relaxed((total_y << 16) | total_x, + (void __iomem *)®s->screen_size); /* vsync ctrl */ if (path->output_type == PATH_OUT_DSI) @@ -285,7 +294,7 @@ static void path_set_mode(struct mmp_path *path, struct mmp_mode *mode) else vsync_ctrl = ((mode->xres + mode->right_margin) << 16) | (mode->xres + mode->right_margin); - writel_relaxed(vsync_ctrl, ®s->vsync_ctrl); + writel_relaxed(vsync_ctrl, (void __iomem *)®s->vsync_ctrl); /* set pixclock div */ sclk_src = clk_get_rate(path_to_ctrl(path)->clk); @@ -366,9 +375,9 @@ static void path_set_default(struct mmp_path *path) writel_relaxed(dma_ctrl1, ctrl_regs(path) + dma_ctrl(1, path->id)); /* Configure default register values */ - writel_relaxed(0x00000000, ®s->blank_color); - writel_relaxed(0x00000000, ®s->g_1); - writel_relaxed(0x00000000, ®s->g_start); + writel_relaxed(0x00000000, (void __iomem *)®s->blank_color); + writel_relaxed(0x00000000, (void __iomem *)®s->g_1); + writel_relaxed(0x00000000, (void __iomem *)®s->g_start); /* * 1.enable multiple burst request in DMA AXI @@ -447,7 +456,6 @@ static int mmphw_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) { - dev_err(&pdev->dev, "%s: no IRQ defined\n", __func__); ret = -ENOENT; goto failed; } @@ -485,7 +493,7 @@ static int mmphw_probe(struct platform_device *pdev) goto failed; } - ctrl->reg_base = devm_ioremap_nocache(ctrl->dev, + ctrl->reg_base = devm_ioremap(ctrl->dev, res->start, resource_size(res)); if (ctrl->reg_base == NULL) { dev_err(ctrl->dev, "%s: res %pR map failed\n", __func__, res); diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.h b/drivers/video/fbdev/mmp/hw/mmp_ctrl.h index e9ec45c118fb..335d4983dc52 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.h +++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.h @@ -1393,7 +1393,7 @@ struct mmphw_ctrl { /* platform related, get from config */ const char *name; int irq; - void *reg_base; + void __iomem *reg_base; struct clk *clk; /* sys info */ @@ -1429,7 +1429,7 @@ static inline struct mmphw_ctrl *overlay_to_ctrl(struct mmp_overlay *overlay) return path_to_ctrl(overlay->path); } -static inline void *ctrl_regs(struct mmp_path *path) +static inline void __iomem *ctrl_regs(struct mmp_path *path) { return path_to_ctrl(path)->reg_base; } @@ -1438,11 +1438,11 @@ static inline void *ctrl_regs(struct mmp_path *path) static inline struct lcd_regs *path_regs(struct mmp_path *path) { if (path->id == PATH_PN) - return (struct lcd_regs *)(ctrl_regs(path) + 0xc0); + return (struct lcd_regs __force *)(ctrl_regs(path) + 0xc0); else if (path->id == PATH_TV) - return (struct lcd_regs *)ctrl_regs(path); + return (struct lcd_regs __force *)ctrl_regs(path); else if (path->id == PATH_P2) - return (struct lcd_regs *)(ctrl_regs(path) + 0x200); + return (struct lcd_regs __force *)(ctrl_regs(path) + 0x200); else { dev_err(path->dev, "path id %d invalid\n", path->id); BUG_ON(1); diff --git a/drivers/video/fbdev/mmp/hw/mmp_spi.c b/drivers/video/fbdev/mmp/hw/mmp_spi.c index bbb75de5e441..1911a47769b6 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_spi.c +++ b/drivers/video/fbdev/mmp/hw/mmp_spi.c @@ -31,7 +31,7 @@ static inline int lcd_spi_write(struct spi_device *spi, u32 data) { int timeout = 100000, isr, ret = 0; u32 tmp; - void *reg_base = + void __iomem *reg_base = (void __iomem *) *(void **)spi_master_get_devdata(spi->master); /* clear ISR */ @@ -80,7 +80,7 @@ static inline int lcd_spi_write(struct spi_device *spi, u32 data) static int lcd_spi_setup(struct spi_device *spi) { - void *reg_base = + void __iomem *reg_base = (void __iomem *) *(void **)spi_master_get_devdata(spi->master); u32 tmp; @@ -146,7 +146,7 @@ int lcd_spi_register(struct mmphw_ctrl *ctrl) return -ENOMEM; } p_regbase = spi_master_get_devdata(master); - *p_regbase = ctrl->reg_base; + *p_regbase = (void __force *)ctrl->reg_base; /* set bus num to 5 to avoid conflict with other spi hosts */ master->bus_num = 5; diff --git a/drivers/video/fbdev/mx3fb.c b/drivers/video/fbdev/mx3fb.c index bafd5f5fac5a..4af28e4421e5 100644 --- a/drivers/video/fbdev/mx3fb.c +++ b/drivers/video/fbdev/mx3fb.c @@ -1249,7 +1249,7 @@ static int mx3fb_pan_display(struct fb_var_screeninfo *var, * invoked by the core framebuffer driver to perform operations like * blitting, rectangle filling, copy regions and cursor definition. */ -static struct fb_ops mx3fb_ops = { +static const struct fb_ops mx3fb_ops = { .owner = THIS_MODULE, .fb_set_par = mx3fb_set_par, .fb_check_var = mx3fb_check_var, @@ -1389,7 +1389,8 @@ static int mx3fb_unmap_video_memory(struct fb_info *fbi) * mx3fb_init_fbinfo() - initialize framebuffer information object. * @return: initialized framebuffer structure. */ -static struct fb_info *mx3fb_init_fbinfo(struct device *dev, struct fb_ops *ops) +static struct fb_info *mx3fb_init_fbinfo(struct device *dev, + const struct fb_ops *ops) { struct fb_info *fbi; struct mx3fb_info *mx3fbi; diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c index b770946a0920..e6ea853c1723 100644 --- a/drivers/video/fbdev/neofb.c +++ b/drivers/video/fbdev/neofb.c @@ -1610,7 +1610,7 @@ neofb_cursor(struct fb_info *info, struct fb_cursor *cursor) } */ -static struct fb_ops neofb_ops = { +static const struct fb_ops neofb_ops = { .owner = THIS_MODULE, .fb_open = neofb_open, .fb_release = neofb_release, diff --git a/drivers/video/fbdev/nuc900fb.c b/drivers/video/fbdev/nuc900fb.c deleted file mode 100644 index 4fd851598584..000000000000 --- a/drivers/video/fbdev/nuc900fb.c +++ /dev/null @@ -1,760 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * - * Copyright (c) 2009 Nuvoton technology corporation - * All rights reserved. - * - * Description: - * Nuvoton LCD Controller Driver - * Author: - * Wang Qiang (rurality.linux@gmail.com) 2009/12/11 - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/err.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/dma-mapping.h> -#include <linux/interrupt.h> -#include <linux/workqueue.h> -#include <linux/wait.h> -#include <linux/platform_device.h> -#include <linux/clk.h> -#include <linux/cpufreq.h> -#include <linux/io.h> -#include <linux/pm.h> -#include <linux/device.h> - -#include <mach/map.h> -#include <mach/regs-clock.h> -#include <mach/regs-ldm.h> -#include <linux/platform_data/video-nuc900fb.h> - -#include "nuc900fb.h" - - -/* - * Initialize the nuc900 video (dual) buffer address - */ -static void nuc900fb_set_lcdaddr(struct fb_info *info) -{ - struct nuc900fb_info *fbi = info->par; - void __iomem *regs = fbi->io; - unsigned long vbaddr1, vbaddr2; - - vbaddr1 = info->fix.smem_start; - vbaddr2 = info->fix.smem_start; - vbaddr2 += info->fix.line_length * info->var.yres; - - /* set frambuffer start phy addr*/ - writel(vbaddr1, regs + REG_LCM_VA_BADDR0); - writel(vbaddr2, regs + REG_LCM_VA_BADDR1); - - writel(fbi->regs.lcd_va_fbctrl, regs + REG_LCM_VA_FBCTRL); - writel(fbi->regs.lcd_va_scale, regs + REG_LCM_VA_SCALE); -} - -/* - * calculate divider for lcd div - */ -static unsigned int nuc900fb_calc_pixclk(struct nuc900fb_info *fbi, - unsigned long pixclk) -{ - unsigned long clk = fbi->clk_rate; - unsigned long long div; - - /* pixclk is in picseconds. our clock is in Hz*/ - /* div = (clk * pixclk)/10^12 */ - div = (unsigned long long)clk * pixclk; - div >>= 12; - do_div(div, 625 * 625UL * 625); - - dev_dbg(fbi->dev, "pixclk %ld, divisor is %lld\n", pixclk, div); - - return div; -} - -/* - * Check the video params of 'var'. - */ -static int nuc900fb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - struct nuc900fb_info *fbi = info->par; - struct nuc900fb_mach_info *mach_info = dev_get_platdata(fbi->dev); - struct nuc900fb_display *display = NULL; - struct nuc900fb_display *default_display = mach_info->displays + - mach_info->default_display; - int i; - - dev_dbg(fbi->dev, "check_var(var=%p, info=%p)\n", var, info); - - /* validate x/y resolution */ - /* choose default mode if possible */ - if (var->xres == default_display->xres && - var->yres == default_display->yres && - var->bits_per_pixel == default_display->bpp) - display = default_display; - else - for (i = 0; i < mach_info->num_displays; i++) - if (var->xres == mach_info->displays[i].xres && - var->yres == mach_info->displays[i].yres && - var->bits_per_pixel == mach_info->displays[i].bpp) { - display = mach_info->displays + i; - break; - } - - if (display == NULL) { - printk(KERN_ERR "wrong resolution or depth %dx%d at %d bit per pixel\n", - var->xres, var->yres, var->bits_per_pixel); - return -EINVAL; - } - - /* it should be the same size as the display */ - var->xres_virtual = display->xres; - var->yres_virtual = display->yres; - var->height = display->height; - var->width = display->width; - - /* copy lcd settings */ - var->pixclock = display->pixclock; - var->left_margin = display->left_margin; - var->right_margin = display->right_margin; - var->upper_margin = display->upper_margin; - var->lower_margin = display->lower_margin; - var->vsync_len = display->vsync_len; - var->hsync_len = display->hsync_len; - - var->transp.offset = 0; - var->transp.length = 0; - - fbi->regs.lcd_dccs = display->dccs; - fbi->regs.lcd_device_ctrl = display->devctl; - fbi->regs.lcd_va_fbctrl = display->fbctrl; - fbi->regs.lcd_va_scale = display->scale; - - /* set R/G/B possions */ - switch (var->bits_per_pixel) { - case 1: - case 2: - case 4: - case 8: - default: - var->red.offset = 0; - var->red.length = var->bits_per_pixel; - var->green = var->red; - var->blue = var->red; - break; - case 12: - var->red.length = 4; - var->green.length = 4; - var->blue.length = 4; - var->red.offset = 8; - var->green.offset = 4; - var->blue.offset = 0; - break; - case 16: - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - break; - case 18: - var->red.length = 6; - var->green.length = 6; - var->blue.length = 6; - var->red.offset = 12; - var->green.offset = 6; - var->blue.offset = 0; - break; - case 32: - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - break; - } - - return 0; -} - -/* - * Calculate lcd register values from var setting & save into hw - */ -static void nuc900fb_calculate_lcd_regs(const struct fb_info *info, - struct nuc900fb_hw *regs) -{ - const struct fb_var_screeninfo *var = &info->var; - int vtt = var->height + var->upper_margin + var->lower_margin; - int htt = var->width + var->left_margin + var->right_margin; - int hsync = var->width + var->right_margin; - int vsync = var->height + var->lower_margin; - - regs->lcd_crtc_size = LCM_CRTC_SIZE_VTTVAL(vtt) | - LCM_CRTC_SIZE_HTTVAL(htt); - regs->lcd_crtc_dend = LCM_CRTC_DEND_VDENDVAL(var->height) | - LCM_CRTC_DEND_HDENDVAL(var->width); - regs->lcd_crtc_hr = LCM_CRTC_HR_EVAL(var->width + 5) | - LCM_CRTC_HR_SVAL(var->width + 1); - regs->lcd_crtc_hsync = LCM_CRTC_HSYNC_EVAL(hsync + var->hsync_len) | - LCM_CRTC_HSYNC_SVAL(hsync); - regs->lcd_crtc_vr = LCM_CRTC_VR_EVAL(vsync + var->vsync_len) | - LCM_CRTC_VR_SVAL(vsync); - -} - -/* - * Activate (set) the controller from the given framebuffer - * information - */ -static void nuc900fb_activate_var(struct fb_info *info) -{ - struct nuc900fb_info *fbi = info->par; - void __iomem *regs = fbi->io; - struct fb_var_screeninfo *var = &info->var; - int clkdiv; - - clkdiv = nuc900fb_calc_pixclk(fbi, var->pixclock) - 1; - if (clkdiv < 0) - clkdiv = 0; - - nuc900fb_calculate_lcd_regs(info, &fbi->regs); - - /* set the new lcd registers*/ - - dev_dbg(fbi->dev, "new lcd register set:\n"); - dev_dbg(fbi->dev, "dccs = 0x%08x\n", fbi->regs.lcd_dccs); - dev_dbg(fbi->dev, "dev_ctl = 0x%08x\n", fbi->regs.lcd_device_ctrl); - dev_dbg(fbi->dev, "crtc_size = 0x%08x\n", fbi->regs.lcd_crtc_size); - dev_dbg(fbi->dev, "crtc_dend = 0x%08x\n", fbi->regs.lcd_crtc_dend); - dev_dbg(fbi->dev, "crtc_hr = 0x%08x\n", fbi->regs.lcd_crtc_hr); - dev_dbg(fbi->dev, "crtc_hsync = 0x%08x\n", fbi->regs.lcd_crtc_hsync); - dev_dbg(fbi->dev, "crtc_vr = 0x%08x\n", fbi->regs.lcd_crtc_vr); - - writel(fbi->regs.lcd_device_ctrl, regs + REG_LCM_DEV_CTRL); - writel(fbi->regs.lcd_crtc_size, regs + REG_LCM_CRTC_SIZE); - writel(fbi->regs.lcd_crtc_dend, regs + REG_LCM_CRTC_DEND); - writel(fbi->regs.lcd_crtc_hr, regs + REG_LCM_CRTC_HR); - writel(fbi->regs.lcd_crtc_hsync, regs + REG_LCM_CRTC_HSYNC); - writel(fbi->regs.lcd_crtc_vr, regs + REG_LCM_CRTC_VR); - - /* set lcd address pointers */ - nuc900fb_set_lcdaddr(info); - - writel(fbi->regs.lcd_dccs, regs + REG_LCM_DCCS); -} - -/* - * Alters the hardware state. - * - */ -static int nuc900fb_set_par(struct fb_info *info) -{ - struct fb_var_screeninfo *var = &info->var; - - switch (var->bits_per_pixel) { - case 32: - case 24: - case 18: - case 16: - case 12: - info->fix.visual = FB_VISUAL_TRUECOLOR; - break; - case 1: - info->fix.visual = FB_VISUAL_MONO01; - break; - default: - info->fix.visual = FB_VISUAL_PSEUDOCOLOR; - break; - } - - info->fix.line_length = (var->xres_virtual * var->bits_per_pixel) / 8; - - /* activate this new configuration */ - nuc900fb_activate_var(info); - return 0; -} - -static inline unsigned int chan_to_field(unsigned int chan, - struct fb_bitfield *bf) -{ - chan &= 0xffff; - chan >>= 16 - bf->length; - return chan << bf->offset; -} - -static int nuc900fb_setcolreg(unsigned regno, - unsigned red, unsigned green, unsigned blue, - unsigned transp, struct fb_info *info) -{ - unsigned int val; - - switch (info->fix.visual) { - case FB_VISUAL_TRUECOLOR: - /* true-colour, use pseuo-palette */ - if (regno < 16) { - u32 *pal = info->pseudo_palette; - - val = chan_to_field(red, &info->var.red); - val |= chan_to_field(green, &info->var.green); - val |= chan_to_field(blue, &info->var.blue); - pal[regno] = val; - } - break; - - default: - return 1; /* unknown type */ - } - return 0; -} - -/** - * nuc900fb_blank - * - */ -static int nuc900fb_blank(int blank_mode, struct fb_info *info) -{ - - return 0; -} - -static struct fb_ops nuc900fb_ops = { - .owner = THIS_MODULE, - .fb_check_var = nuc900fb_check_var, - .fb_set_par = nuc900fb_set_par, - .fb_blank = nuc900fb_blank, - .fb_setcolreg = nuc900fb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, -}; - - -static inline void modify_gpio(void __iomem *reg, - unsigned long set, unsigned long mask) -{ - unsigned long tmp; - tmp = readl(reg) & ~mask; - writel(tmp | set, reg); -} - -/* - * Initialise LCD-related registers - */ -static int nuc900fb_init_registers(struct fb_info *info) -{ - struct nuc900fb_info *fbi = info->par; - struct nuc900fb_mach_info *mach_info = dev_get_platdata(fbi->dev); - void __iomem *regs = fbi->io; - - /*reset the display engine*/ - writel(0, regs + REG_LCM_DCCS); - writel(readl(regs + REG_LCM_DCCS) | LCM_DCCS_ENG_RST, - regs + REG_LCM_DCCS); - ndelay(100); - writel(readl(regs + REG_LCM_DCCS) & (~LCM_DCCS_ENG_RST), - regs + REG_LCM_DCCS); - ndelay(100); - - writel(0, regs + REG_LCM_DEV_CTRL); - - /* config gpio output */ - modify_gpio(W90X900_VA_GPIO + 0x54, mach_info->gpio_dir, - mach_info->gpio_dir_mask); - modify_gpio(W90X900_VA_GPIO + 0x58, mach_info->gpio_data, - mach_info->gpio_data_mask); - - return 0; -} - - -/* - * Alloc the SDRAM region of NUC900 for the frame buffer. - * The buffer should be a non-cached, non-buffered, memory region - * to allow palette and pixel writes without flushing the cache. - */ -static int nuc900fb_map_video_memory(struct fb_info *info) -{ - struct nuc900fb_info *fbi = info->par; - dma_addr_t map_dma; - unsigned long map_size = PAGE_ALIGN(info->fix.smem_len); - - dev_dbg(fbi->dev, "nuc900fb_map_video_memory(fbi=%p) map_size %lu\n", - fbi, map_size); - - info->screen_base = dma_alloc_wc(fbi->dev, map_size, &map_dma, - GFP_KERNEL); - - if (!info->screen_base) - return -ENOMEM; - - memset(info->screen_base, 0x00, map_size); - info->fix.smem_start = map_dma; - - return 0; -} - -static inline void nuc900fb_unmap_video_memory(struct fb_info *info) -{ - struct nuc900fb_info *fbi = info->par; - dma_free_wc(fbi->dev, PAGE_ALIGN(info->fix.smem_len), - info->screen_base, info->fix.smem_start); -} - -static irqreturn_t nuc900fb_irqhandler(int irq, void *dev_id) -{ - struct nuc900fb_info *fbi = dev_id; - void __iomem *regs = fbi->io; - void __iomem *irq_base = fbi->irq_base; - unsigned long lcdirq = readl(regs + REG_LCM_INT_CS); - - if (lcdirq & LCM_INT_CS_DISP_F_STATUS) { - writel(readl(irq_base) | 1<<30, irq_base); - - /* wait VA_EN low */ - if ((readl(regs + REG_LCM_DCCS) & - LCM_DCCS_SINGLE) == LCM_DCCS_SINGLE) - while ((readl(regs + REG_LCM_DCCS) & - LCM_DCCS_VA_EN) == LCM_DCCS_VA_EN) - ; - /* display_out-enable */ - writel(readl(regs + REG_LCM_DCCS) | LCM_DCCS_DISP_OUT_EN, - regs + REG_LCM_DCCS); - /* va-enable*/ - writel(readl(regs + REG_LCM_DCCS) | LCM_DCCS_VA_EN, - regs + REG_LCM_DCCS); - } else if (lcdirq & LCM_INT_CS_UNDERRUN_INT) { - writel(readl(irq_base) | LCM_INT_CS_UNDERRUN_INT, irq_base); - } else if (lcdirq & LCM_INT_CS_BUS_ERROR_INT) { - writel(readl(irq_base) | LCM_INT_CS_BUS_ERROR_INT, irq_base); - } - - return IRQ_HANDLED; -} - -#ifdef CONFIG_CPU_FREQ - -static int nuc900fb_cpufreq_transition(struct notifier_block *nb, - unsigned long val, void *data) -{ - struct nuc900fb_info *info; - struct fb_info *fbinfo; - long delta_f; - info = container_of(nb, struct nuc900fb_info, freq_transition); - fbinfo = dev_get_drvdata(info->dev); - - delta_f = info->clk_rate - clk_get_rate(info->clk); - - if ((val == CPUFREQ_POSTCHANGE && delta_f > 0) || - (val == CPUFREQ_PRECHANGE && delta_f < 0)) { - info->clk_rate = clk_get_rate(info->clk); - nuc900fb_activate_var(fbinfo); - } - - return 0; -} - -static inline int nuc900fb_cpufreq_register(struct nuc900fb_info *fbi) -{ - fbi->freq_transition.notifier_call = nuc900fb_cpufreq_transition; - return cpufreq_register_notifier(&fbi->freq_transition, - CPUFREQ_TRANSITION_NOTIFIER); -} - -static inline void nuc900fb_cpufreq_deregister(struct nuc900fb_info *fbi) -{ - cpufreq_unregister_notifier(&fbi->freq_transition, - CPUFREQ_TRANSITION_NOTIFIER); -} -#else -static inline int nuc900fb_cpufreq_transition(struct notifier_block *nb, - unsigned long val, void *data) -{ - return 0; -} - -static inline int nuc900fb_cpufreq_register(struct nuc900fb_info *fbi) -{ - return 0; -} - -static inline void nuc900fb_cpufreq_deregister(struct nuc900fb_info *info) -{ -} -#endif - -static char driver_name[] = "nuc900fb"; - -static int nuc900fb_probe(struct platform_device *pdev) -{ - struct nuc900fb_info *fbi; - struct nuc900fb_display *display; - struct fb_info *fbinfo; - struct nuc900fb_mach_info *mach_info; - struct resource *res; - int ret; - int irq; - int i; - int size; - - dev_dbg(&pdev->dev, "devinit\n"); - mach_info = dev_get_platdata(&pdev->dev); - if (mach_info == NULL) { - dev_err(&pdev->dev, - "no platform data for lcd, cannot attach\n"); - return -EINVAL; - } - - if (mach_info->default_display > mach_info->num_displays) { - dev_err(&pdev->dev, - "default display No. is %d but only %d displays \n", - mach_info->default_display, mach_info->num_displays); - return -EINVAL; - } - - - display = mach_info->displays + mach_info->default_display; - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "no irq for device\n"); - return -ENOENT; - } - - fbinfo = framebuffer_alloc(sizeof(struct nuc900fb_info), &pdev->dev); - if (!fbinfo) - return -ENOMEM; - - platform_set_drvdata(pdev, fbinfo); - - fbi = fbinfo->par; - fbi->dev = &pdev->dev; - -#ifdef CONFIG_CPU_NUC950 - fbi->drv_type = LCDDRV_NUC950; -#endif - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - - size = resource_size(res); - fbi->mem = request_mem_region(res->start, size, pdev->name); - if (fbi->mem == NULL) { - dev_err(&pdev->dev, "failed to alloc memory region\n"); - ret = -ENOENT; - goto free_fb; - } - - fbi->io = ioremap(res->start, size); - if (fbi->io == NULL) { - dev_err(&pdev->dev, "ioremap() of lcd registers failed\n"); - ret = -ENXIO; - goto release_mem_region; - } - - fbi->irq_base = fbi->io + REG_LCM_INT_CS; - - - /* Stop the LCD */ - writel(0, fbi->io + REG_LCM_DCCS); - - /* fill the fbinfo*/ - strcpy(fbinfo->fix.id, driver_name); - fbinfo->fix.type = FB_TYPE_PACKED_PIXELS; - fbinfo->fix.type_aux = 0; - fbinfo->fix.xpanstep = 0; - fbinfo->fix.ypanstep = 0; - fbinfo->fix.ywrapstep = 0; - fbinfo->fix.accel = FB_ACCEL_NONE; - fbinfo->var.nonstd = 0; - fbinfo->var.activate = FB_ACTIVATE_NOW; - fbinfo->var.accel_flags = 0; - fbinfo->var.vmode = FB_VMODE_NONINTERLACED; - fbinfo->fbops = &nuc900fb_ops; - fbinfo->flags = FBINFO_FLAG_DEFAULT; - fbinfo->pseudo_palette = &fbi->pseudo_pal; - - ret = request_irq(irq, nuc900fb_irqhandler, 0, pdev->name, fbi); - if (ret) { - dev_err(&pdev->dev, "cannot register irq handler %d -err %d\n", - irq, ret); - ret = -EBUSY; - goto release_regs; - } - - fbi->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(fbi->clk)) { - printk(KERN_ERR "nuc900-lcd:failed to get lcd clock source\n"); - ret = PTR_ERR(fbi->clk); - goto release_irq; - } - - clk_enable(fbi->clk); - dev_dbg(&pdev->dev, "got and enabled clock\n"); - - fbi->clk_rate = clk_get_rate(fbi->clk); - - /* calutate the video buffer size */ - for (i = 0; i < mach_info->num_displays; i++) { - unsigned long smem_len = mach_info->displays[i].xres; - smem_len *= mach_info->displays[i].yres; - smem_len *= mach_info->displays[i].bpp; - smem_len >>= 3; - if (fbinfo->fix.smem_len < smem_len) - fbinfo->fix.smem_len = smem_len; - } - - /* Initialize Video Memory */ - ret = nuc900fb_map_video_memory(fbinfo); - if (ret) { - printk(KERN_ERR "Failed to allocate video RAM: %x\n", ret); - goto release_clock; - } - - dev_dbg(&pdev->dev, "got video memory\n"); - - fbinfo->var.xres = display->xres; - fbinfo->var.yres = display->yres; - fbinfo->var.bits_per_pixel = display->bpp; - - nuc900fb_init_registers(fbinfo); - - nuc900fb_check_var(&fbinfo->var, fbinfo); - - ret = nuc900fb_cpufreq_register(fbi); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to register cpufreq\n"); - goto free_video_memory; - } - - ret = register_framebuffer(fbinfo); - if (ret) { - printk(KERN_ERR "failed to register framebuffer device: %d\n", - ret); - goto free_cpufreq; - } - - fb_info(fbinfo, "%s frame buffer device\n", fbinfo->fix.id); - - return 0; - -free_cpufreq: - nuc900fb_cpufreq_deregister(fbi); -free_video_memory: - nuc900fb_unmap_video_memory(fbinfo); -release_clock: - clk_disable(fbi->clk); - clk_put(fbi->clk); -release_irq: - free_irq(irq, fbi); -release_regs: - iounmap(fbi->io); -release_mem_region: - release_mem_region(res->start, size); -free_fb: - framebuffer_release(fbinfo); - return ret; -} - -/* - * shutdown the lcd controller - */ -static void nuc900fb_stop_lcd(struct fb_info *info) -{ - struct nuc900fb_info *fbi = info->par; - void __iomem *regs = fbi->io; - - writel((~LCM_DCCS_DISP_INT_EN) | (~LCM_DCCS_VA_EN) | (~LCM_DCCS_OSD_EN), - regs + REG_LCM_DCCS); -} - -/* - * Cleanup - */ -static int nuc900fb_remove(struct platform_device *pdev) -{ - struct fb_info *fbinfo = platform_get_drvdata(pdev); - struct nuc900fb_info *fbi = fbinfo->par; - int irq; - - nuc900fb_stop_lcd(fbinfo); - msleep(1); - - unregister_framebuffer(fbinfo); - nuc900fb_cpufreq_deregister(fbi); - nuc900fb_unmap_video_memory(fbinfo); - - iounmap(fbi->io); - - irq = platform_get_irq(pdev, 0); - free_irq(irq, fbi); - - release_resource(fbi->mem); - kfree(fbi->mem); - - framebuffer_release(fbinfo); - - return 0; -} - -#ifdef CONFIG_PM - -/* - * suspend and resume support for the lcd controller - */ - -static int nuc900fb_suspend(struct platform_device *dev, pm_message_t state) -{ - struct fb_info *fbinfo = platform_get_drvdata(dev); - struct nuc900fb_info *info = fbinfo->par; - - nuc900fb_stop_lcd(fbinfo); - msleep(1); - clk_disable(info->clk); - return 0; -} - -static int nuc900fb_resume(struct platform_device *dev) -{ - struct fb_info *fbinfo = platform_get_drvdata(dev); - struct nuc900fb_info *fbi = fbinfo->par; - - printk(KERN_INFO "nuc900fb resume\n"); - - clk_enable(fbi->clk); - msleep(1); - - nuc900fb_init_registers(fbinfo); - nuc900fb_activate_var(fbinfo); - - return 0; -} - -#else -#define nuc900fb_suspend NULL -#define nuc900fb_resume NULL -#endif - -static struct platform_driver nuc900fb_driver = { - .probe = nuc900fb_probe, - .remove = nuc900fb_remove, - .suspend = nuc900fb_suspend, - .resume = nuc900fb_resume, - .driver = { - .name = "nuc900-lcd", - }, -}; - -module_platform_driver(nuc900fb_driver); - -MODULE_DESCRIPTION("Framebuffer driver for the NUC900"); -MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/nuc900fb.h b/drivers/video/fbdev/nuc900fb.h deleted file mode 100644 index 055ae9297931..000000000000 --- a/drivers/video/fbdev/nuc900fb.h +++ /dev/null @@ -1,51 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * - * Copyright (c) 2009 Nuvoton technology corporation - * All rights reserved. - * - * Author: - * Wang Qiang(rurality.linux@gmail.com) 2009/12/16 - */ - -#ifndef __NUC900FB_H -#define __NUC900FB_H - -#include <mach/map.h> -#include <linux/platform_data/video-nuc900fb.h> - -enum nuc900_lcddrv_type { - LCDDRV_NUC910, - LCDDRV_NUC930, - LCDDRV_NUC932, - LCDDRV_NUC950, - LCDDRV_NUC960, -}; - - -#define PALETTE_BUFFER_SIZE 256 -#define PALETTE_BUFF_CLEAR (0x80000000) /* entry is clear/invalid */ - -struct nuc900fb_info { - struct device *dev; - struct clk *clk; - - struct resource *mem; - void __iomem *io; - void __iomem *irq_base; - int drv_type; - struct nuc900fb_hw regs; - unsigned long clk_rate; - -#ifdef CONFIG_CPU_FREQ - struct notifier_block freq_transition; -#endif - - /* keep these registers in case we need to re-write palette */ - u32 palette_buffer[PALETTE_BUFFER_SIZE]; - u32 pseudo_pal[16]; -}; - -int nuc900fb_init(void); - -#endif /* __NUC900FB_H */ diff --git a/drivers/video/fbdev/nvidia/nv_backlight.c b/drivers/video/fbdev/nvidia/nv_backlight.c index e705a7872301..2ce53529f636 100644 --- a/drivers/video/fbdev/nvidia/nv_backlight.c +++ b/drivers/video/fbdev/nvidia/nv_backlight.c @@ -123,8 +123,6 @@ void nvidia_bl_init(struct nvidia_par *par) printk("nvidia: Backlight initialized (%s)\n", name); - return; - error: return; } diff --git a/drivers/video/fbdev/nvidia/nv_setup.c b/drivers/video/fbdev/nvidia/nv_setup.c index b17acd290360..2fa68669613a 100644 --- a/drivers/video/fbdev/nvidia/nv_setup.c +++ b/drivers/video/fbdev/nvidia/nv_setup.c @@ -119,34 +119,10 @@ u8 NVReadMiscOut(struct nvidia_par *par) { return (VGA_RD08(par->PVIO, VGA_MIS_R)); } -#if 0 -void NVEnablePalette(struct nvidia_par *par) -{ - volatile u8 tmp; - - tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a); - VGA_WR08(par->PCIO, VGA_ATT_IW, 0x00); - par->paletteEnabled = 1; -} -void NVDisablePalette(struct nvidia_par *par) -{ - volatile u8 tmp; - - tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a); - VGA_WR08(par->PCIO, VGA_ATT_IW, 0x20); - par->paletteEnabled = 0; -} -#endif /* 0 */ void NVWriteDacMask(struct nvidia_par *par, u8 value) { VGA_WR08(par->PDIO, VGA_PEL_MSK, value); } -#if 0 -u8 NVReadDacMask(struct nvidia_par *par) -{ - return (VGA_RD08(par->PDIO, VGA_PEL_MSK)); -} -#endif /* 0 */ void NVWriteDacReadAddr(struct nvidia_par *par, u8 value) { VGA_WR08(par->PDIO, VGA_PEL_IR, value); diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c index fbeeed5afe35..c583c018304d 100644 --- a/drivers/video/fbdev/nvidia/nvidia.c +++ b/drivers/video/fbdev/nvidia/nvidia.c @@ -607,6 +607,8 @@ static int nvidiafb_cursor(struct fb_info *info, struct fb_cursor *cursor) return 0; } +static struct fb_ops nvidia_fb_ops; + static int nvidiafb_set_par(struct fb_info *info) { struct nvidia_par *par = info->par; @@ -660,19 +662,19 @@ static int nvidiafb_set_par(struct fb_info *info) info->fix.line_length = (info->var.xres_virtual * info->var.bits_per_pixel) >> 3; if (info->var.accel_flags) { - info->fbops->fb_imageblit = nvidiafb_imageblit; - info->fbops->fb_fillrect = nvidiafb_fillrect; - info->fbops->fb_copyarea = nvidiafb_copyarea; - info->fbops->fb_sync = nvidiafb_sync; + nvidia_fb_ops.fb_imageblit = nvidiafb_imageblit; + nvidia_fb_ops.fb_fillrect = nvidiafb_fillrect; + nvidia_fb_ops.fb_copyarea = nvidiafb_copyarea; + nvidia_fb_ops.fb_sync = nvidiafb_sync; info->pixmap.scan_align = 4; info->flags &= ~FBINFO_HWACCEL_DISABLED; info->flags |= FBINFO_READS_FAST; NVResetGraphics(info); } else { - info->fbops->fb_imageblit = cfb_imageblit; - info->fbops->fb_fillrect = cfb_fillrect; - info->fbops->fb_copyarea = cfb_copyarea; - info->fbops->fb_sync = NULL; + nvidia_fb_ops.fb_imageblit = cfb_imageblit; + nvidia_fb_ops.fb_fillrect = cfb_fillrect; + nvidia_fb_ops.fb_copyarea = cfb_copyarea; + nvidia_fb_ops.fb_sync = NULL; info->pixmap.scan_align = 1; info->flags |= FBINFO_HWACCEL_DISABLED; info->flags &= ~FBINFO_READS_FAST; @@ -1165,7 +1167,7 @@ static int nvidia_set_fbinfo(struct fb_info *info) info->pixmap.flags = FB_PIXMAP_SYSTEM; if (!hwcur) - info->fbops->fb_cursor = NULL; + nvidia_fb_ops.fb_cursor = NULL; info->var.accel_flags = (!noaccel); diff --git a/drivers/video/fbdev/ocfb.c b/drivers/video/fbdev/ocfb.c index a970edc2a6f8..bfa4ed421148 100644 --- a/drivers/video/fbdev/ocfb.c +++ b/drivers/video/fbdev/ocfb.c @@ -285,7 +285,7 @@ static int ocfb_init_var(struct ocfb_dev *fbdev) return 0; } -static struct fb_ops ocfb_ops = { +static const struct fb_ops ocfb_ops = { .owner = THIS_MODULE, .fb_setcolreg = ocfb_setcolreg, .fb_fillrect = cfb_fillrect, @@ -297,7 +297,6 @@ static int ocfb_probe(struct platform_device *pdev) { int ret = 0; struct ocfb_dev *fbdev; - struct resource *res; int fbsize; fbdev = devm_kzalloc(&pdev->dev, sizeof(*fbdev), GFP_KERNEL); @@ -319,13 +318,7 @@ static int ocfb_probe(struct platform_device *pdev) ocfb_init_var(fbdev); ocfb_init_fix(fbdev); - /* Request I/O resource */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "I/O resource request failed\n"); - return -ENXIO; - } - fbdev->regs = devm_ioremap_resource(&pdev->dev, res); + fbdev->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(fbdev->regs)) return PTR_ERR(fbdev->regs); diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c index fbc6eafb63c7..5cd0f5f6a4ae 100644 --- a/drivers/video/fbdev/offb.c +++ b/drivers/video/fbdev/offb.c @@ -286,7 +286,7 @@ static void offb_destroy(struct fb_info *info) framebuffer_release(info); } -static struct fb_ops offb_ops = { +static const struct fb_ops offb_ops = { .owner = THIS_MODULE, .fb_destroy = offb_destroy, .fb_setcolreg = offb_setcolreg, diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 702cca59bda1..e8a304f84ea8 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1052,7 +1052,7 @@ static int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, { struct omapfb_plane_struct *plane = fbi->par; struct omapfb_device *fbdev = plane->fbdev; - struct fb_ops *ops = fbi->fbops; + const struct fb_ops *ops = fbi->fbops; union { struct omapfb_update_window update_window; struct omapfb_plane_info plane_info; diff --git a/drivers/video/fbdev/omap2/omapfb/displays/Kconfig b/drivers/video/fbdev/omap2/omapfb/displays/Kconfig index 8c1c5a4cfe18..744416dc530e 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/Kconfig +++ b/drivers/video/fbdev/omap2/omapfb/displays/Kconfig @@ -49,6 +49,7 @@ config FB_OMAP2_PANEL_DSI_CM config FB_OMAP2_PANEL_SONY_ACX565AKM tristate "ACX565AKM Panel" depends on SPI && BACKLIGHT_CLASS_DEVICE + depends on DRM_PANEL_SONY_ACX565AKM = n help This is the LCD panel used on Nokia N900 @@ -61,18 +62,21 @@ config FB_OMAP2_PANEL_LGPHILIPS_LB035Q02 config FB_OMAP2_PANEL_SHARP_LS037V7DW01 tristate "Sharp LS037V7DW01 LCD Panel" depends on BACKLIGHT_CLASS_DEVICE + depends on DRM_PANEL_SHARP_LS037V7DW01 = n help LCD Panel used in TI's SDP3430 and EVM boards config FB_OMAP2_PANEL_TPO_TD028TTEC1 tristate "TPO TD028TTEC1 LCD Panel" depends on SPI + depends on DRM_PANEL_TPO_TD028TTEC1 = n help LCD panel used in Openmoko. config FB_OMAP2_PANEL_TPO_TD043MTEA1 tristate "TPO TD043MTEA1 LCD Panel" depends on SPI + depends on DRM_PANEL_TPO_TD043MTEA1 = n help LCD Panel used in OMAP3 Pandora @@ -80,6 +84,7 @@ config FB_OMAP2_PANEL_NEC_NL8048HL11 tristate "NEC NL8048HL11 Panel" depends on SPI depends on BACKLIGHT_CLASS_DEVICE + depends on DRM_PANEL_NEC_NL8048HL11 = n help This NEC NL8048HL11 panel is TFT LCD used in the Zoom2/3/3630 sdp boards. diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c index 376ee5bc3ddc..ce37da85cc45 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c @@ -1635,7 +1635,7 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane plane, { int scale_x = out_width != orig_width; int scale_y = out_height != orig_height; - bool chroma_upscale = plane != OMAP_DSS_WB ? true : false; + bool chroma_upscale = plane != OMAP_DSS_WB; if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) return; @@ -3100,9 +3100,9 @@ static bool _dispc_mgr_pclk_ok(enum omap_channel channel, unsigned long pclk) { if (dss_mgr_is_lcd(channel)) - return pclk <= dispc.feat->max_lcd_pclk ? true : false; + return pclk <= dispc.feat->max_lcd_pclk; else - return pclk <= dispc.feat->max_tv_pclk ? true : false; + return pclk <= dispc.feat->max_tv_pclk; } bool dispc_mgr_timings_ok(enum omap_channel channel, diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-main.c b/drivers/video/fbdev/omap2/omapfb/omapfb-main.c index 858c2c011d19..8dfa9158ba78 100644 --- a/drivers/video/fbdev/omap2/omapfb/omapfb-main.c +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-main.c @@ -1280,7 +1280,7 @@ ssize_t omapfb_write(struct fb_info *info, const char __user *buf, } #endif -static struct fb_ops omapfb_ops = { +static const struct fb_ops omapfb_ops = { .owner = THIS_MODULE, .fb_open = omapfb_open, .fb_release = omapfb_release, diff --git a/drivers/video/fbdev/omap2/omapfb/vrfb.c b/drivers/video/fbdev/omap2/omapfb/vrfb.c index 819e0bc35b2d..ee0dd4c6a646 100644 --- a/drivers/video/fbdev/omap2/omapfb/vrfb.c +++ b/drivers/video/fbdev/omap2/omapfb/vrfb.c @@ -339,9 +339,7 @@ static int __init vrfb_probe(struct platform_device *pdev) int i; /* first resource is the register res, the rest are vrfb contexts */ - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - vrfb_base = devm_ioremap_resource(&pdev->dev, mem); + vrfb_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(vrfb_base)) return PTR_ERR(vrfb_base); diff --git a/drivers/video/fbdev/p9100.c b/drivers/video/fbdev/p9100.c index 8c18cc51aae2..6da672e92643 100644 --- a/drivers/video/fbdev/p9100.c +++ b/drivers/video/fbdev/p9100.c @@ -37,7 +37,7 @@ static int p9100_ioctl(struct fb_info *, unsigned int, unsigned long); * Frame buffer operations */ -static struct fb_ops p9100_ops = { +static const struct fb_ops p9100_ops = { .owner = THIS_MODULE, .fb_setcolreg = p9100_setcolreg, .fb_blank = p9100_blank, diff --git a/drivers/video/fbdev/platinumfb.c b/drivers/video/fbdev/platinumfb.c index 632b246ca35f..ce413a9df06e 100644 --- a/drivers/video/fbdev/platinumfb.c +++ b/drivers/video/fbdev/platinumfb.c @@ -96,7 +96,7 @@ static int platinum_var_to_par(struct fb_var_screeninfo *var, * Interface used by the world */ -static struct fb_ops platinumfb_ops = { +static const struct fb_ops platinumfb_ops = { .owner = THIS_MODULE, .fb_check_var = platinumfb_check_var, .fb_set_par = platinumfb_set_par, diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index 1dcf02e12af4..fe2cadeb1b66 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -1483,7 +1483,7 @@ static int pm2fb_cursor(struct fb_info *info, struct fb_cursor *cursor) * Frame buffer operations */ -static struct fb_ops pm2fb_ops = { +static const struct fb_ops pm2fb_ops = { .owner = THIS_MODULE, .fb_check_var = pm2fb_check_var, .fb_set_par = pm2fb_set_par, @@ -1563,7 +1563,7 @@ static int pm2fb_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_exit_neither; } default_par->v_regs = - ioremap_nocache(pm2fb_fix.mmio_start, pm2fb_fix.mmio_len); + ioremap(pm2fb_fix.mmio_start, pm2fb_fix.mmio_len); if (!default_par->v_regs) { printk(KERN_WARNING "pm2fb: Can't remap %s register area.\n", pm2fb_fix.id); diff --git a/drivers/video/fbdev/pm3fb.c b/drivers/video/fbdev/pm3fb.c index 6130aa56a1e9..2f5e23c8f8ec 100644 --- a/drivers/video/fbdev/pm3fb.c +++ b/drivers/video/fbdev/pm3fb.c @@ -1200,7 +1200,7 @@ static int pm3fb_blank(int blank_mode, struct fb_info *info) * Frame buffer operations */ -static struct fb_ops pm3fb_ops = { +static const struct fb_ops pm3fb_ops = { .owner = THIS_MODULE, .fb_check_var = pm3fb_check_var, .fb_set_par = pm3fb_set_par, @@ -1236,7 +1236,7 @@ static unsigned long pm3fb_size_memory(struct pm3_par *par) return 0; } screen_mem = - ioremap_nocache(pm3fb_fix.smem_start, pm3fb_fix.smem_len); + ioremap(pm3fb_fix.smem_start, pm3fb_fix.smem_len); if (!screen_mem) { printk(KERN_WARNING "pm3fb: Can't ioremap smem area.\n"); release_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len); @@ -1347,7 +1347,7 @@ static int pm3fb_probe(struct pci_dev *dev, const struct pci_device_id *ent) goto err_exit_neither; } par->v_regs = - ioremap_nocache(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len); + ioremap(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len); if (!par->v_regs) { printk(KERN_WARNING "pm3fb: Can't remap %s register area.\n", pm3fb_fix.id); diff --git a/drivers/video/fbdev/pmag-aa-fb.c b/drivers/video/fbdev/pmag-aa-fb.c index d1e78ce3a9c2..62c8de99af0b 100644 --- a/drivers/video/fbdev/pmag-aa-fb.c +++ b/drivers/video/fbdev/pmag-aa-fb.c @@ -147,7 +147,7 @@ static int aafb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops aafb_ops = { +static const struct fb_ops aafb_ops = { .owner = THIS_MODULE, .fb_blank = aafb_blank, .fb_fillrect = cfb_fillrect, @@ -188,7 +188,7 @@ static int pmagaafb_probe(struct device *dev) /* MMIO mapping setup. */ info->fix.mmio_start = start + PMAG_AA_BT455_OFFSET; - par->mmio = ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); + par->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!par->mmio) { printk(KERN_ERR "%s: Cannot map MMIO\n", dev_name(dev)); err = -ENOMEM; @@ -199,7 +199,7 @@ static int pmagaafb_probe(struct device *dev) /* Frame buffer mapping setup. */ info->fix.smem_start = start + PMAG_AA_ONBOARD_FBMEM_OFFSET; - info->screen_base = ioremap_nocache(info->fix.smem_start, + info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); if (!info->screen_base) { printk(KERN_ERR "%s: Cannot map FB\n", dev_name(dev)); diff --git a/drivers/video/fbdev/pmag-ba-fb.c b/drivers/video/fbdev/pmag-ba-fb.c index 56b912bb28de..1296f9b370c2 100644 --- a/drivers/video/fbdev/pmag-ba-fb.c +++ b/drivers/video/fbdev/pmag-ba-fb.c @@ -117,7 +117,7 @@ static int pmagbafb_setcolreg(unsigned int regno, unsigned int red, return 0; } -static struct fb_ops pmagbafb_ops = { +static const struct fb_ops pmagbafb_ops = { .owner = THIS_MODULE, .fb_setcolreg = pmagbafb_setcolreg, .fb_fillrect = cfb_fillrect, @@ -180,7 +180,7 @@ static int pmagbafb_probe(struct device *dev) /* MMIO mapping setup. */ info->fix.mmio_start = start; - par->mmio = ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); + par->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!par->mmio) { printk(KERN_ERR "%s: Cannot map MMIO\n", dev_name(dev)); err = -ENOMEM; @@ -190,7 +190,7 @@ static int pmagbafb_probe(struct device *dev) /* Frame buffer mapping setup. */ info->fix.smem_start = start + PMAG_BA_FBMEM; - info->screen_base = ioremap_nocache(info->fix.smem_start, + info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); if (!info->screen_base) { printk(KERN_ERR "%s: Cannot map FB\n", dev_name(dev)); diff --git a/drivers/video/fbdev/pmagb-b-fb.c b/drivers/video/fbdev/pmagb-b-fb.c index 2822b2225924..9dccd51ee65a 100644 --- a/drivers/video/fbdev/pmagb-b-fb.c +++ b/drivers/video/fbdev/pmagb-b-fb.c @@ -121,7 +121,7 @@ static int pmagbbfb_setcolreg(unsigned int regno, unsigned int red, return 0; } -static struct fb_ops pmagbbfb_ops = { +static const struct fb_ops pmagbbfb_ops = { .owner = THIS_MODULE, .fb_setcolreg = pmagbbfb_setcolreg, .fb_fillrect = cfb_fillrect, @@ -287,7 +287,7 @@ static int pmagbbfb_probe(struct device *dev) /* MMIO mapping setup. */ info->fix.mmio_start = start; - par->mmio = ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); + par->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!par->mmio) { printk(KERN_ERR "%s: Cannot map MMIO\n", dev_name(dev)); err = -ENOMEM; @@ -298,7 +298,7 @@ static int pmagbbfb_probe(struct device *dev) /* Frame buffer mapping setup. */ info->fix.smem_start = start + PMAGB_B_FBMEM; - par->smem = ioremap_nocache(info->fix.smem_start, info->fix.smem_len); + par->smem = ioremap(info->fix.smem_start, info->fix.smem_len); if (!par->smem) { printk(KERN_ERR "%s: Cannot map FB\n", dev_name(dev)); err = -ENOMEM; diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c index 5ed2db39d823..834f63edf700 100644 --- a/drivers/video/fbdev/ps3fb.c +++ b/drivers/video/fbdev/ps3fb.c @@ -934,7 +934,7 @@ static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) } -static struct fb_ops ps3fb_ops = { +static const struct fb_ops ps3fb_ops = { .fb_open = ps3fb_open, .fb_release = ps3fb_release, .fb_read = fb_sys_read, diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index 7ff4b6b84282..f18d457175d9 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -458,13 +458,11 @@ static int pvr2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) set_color_bitfields(var); if (var->vmode & FB_VMODE_YWRAP) { - if (var->xoffset || var->yoffset < 0 || - var->yoffset >= var->yres_virtual) { + if (var->xoffset || var->yoffset >= var->yres_virtual) { var->xoffset = var->yoffset = 0; } else { if (var->xoffset > var->xres_virtual - var->xres || - var->yoffset > var->yres_virtual - var->yres || - var->xoffset < 0 || var->yoffset < 0) + var->yoffset > var->yres_virtual - var->yres) var->xoffset = var->yoffset = 0; } } else { @@ -709,7 +707,7 @@ out_unmap: } #endif /* CONFIG_PVR2_DMA */ -static struct fb_ops pvr2fb_ops = { +static const struct fb_ops pvr2fb_ops = { .owner = THIS_MODULE, .fb_setcolreg = pvr2fb_setcolreg, .fb_blank = pvr2fb_blank, @@ -772,7 +770,7 @@ static int __maybe_unused pvr2fb_common_init(void) struct pvr2fb_par *par = currentpar; unsigned long modememused, rev; - fb_info->screen_base = ioremap_nocache(pvr2_fix.smem_start, + fb_info->screen_base = ioremap(pvr2_fix.smem_start, pvr2_fix.smem_len); if (!fb_info->screen_base) { @@ -780,7 +778,7 @@ static int __maybe_unused pvr2fb_common_init(void) goto out_err; } - par->mmio_base = ioremap_nocache(pvr2_fix.mmio_start, + par->mmio_base = ioremap(pvr2_fix.mmio_start, pvr2_fix.mmio_len); if (!par->mmio_base) { printk(KERN_ERR "pvr2fb: Failed to remap mmio space\n"); diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c index 1410f476e135..9b9ec1468347 100644 --- a/drivers/video/fbdev/pxa168fb.c +++ b/drivers/video/fbdev/pxa168fb.c @@ -545,7 +545,7 @@ static irqreturn_t pxa168fb_handle_irq(int irq, void *dev_id) return IRQ_NONE; } -static struct fb_ops pxa168fb_ops = { +static const struct fb_ops pxa168fb_ops = { .owner = THIS_MODULE, .fb_check_var = pxa168fb_check_var, .fb_set_par = pxa168fb_set_par, @@ -665,7 +665,7 @@ static int pxa168fb_probe(struct platform_device *pdev) /* * Map LCD controller registers. */ - fbi->reg_base = devm_ioremap_nocache(&pdev->dev, res->start, + fbi->reg_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (fbi->reg_base == NULL) { ret = -ENOMEM; @@ -766,8 +766,8 @@ failed_free_cmap: failed_free_clk: clk_disable_unprepare(fbi->clk); failed_free_fbmem: - dma_free_coherent(fbi->dev, info->fix.smem_len, - info->screen_base, fbi->fb_start_dma); + dma_free_wc(fbi->dev, info->fix.smem_len, + info->screen_base, fbi->fb_start_dma); failed_free_info: kfree(info); @@ -801,7 +801,7 @@ static int pxa168fb_remove(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); - dma_free_wc(fbi->dev, PAGE_ALIGN(info->fix.smem_len), + dma_free_wc(fbi->dev, info->fix.smem_len, info->screen_base, info->fix.smem_start); clk_disable_unprepare(fbi->clk); diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index 4282cb117b92..00b96a78676e 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -597,7 +597,7 @@ static int pxafb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops pxafb_ops = { +static const struct fb_ops pxafb_ops = { .owner = THIS_MODULE, .fb_check_var = pxafb_check_var, .fb_set_par = pxafb_set_par, @@ -865,7 +865,7 @@ static int overlayfb_set_par(struct fb_info *info) return 0; } -static struct fb_ops overlay_fb_ops = { +static const struct fb_ops overlay_fb_ops = { .owner = THIS_MODULE, .fb_open = overlayfb_open, .fb_release = overlayfb_release, @@ -1678,24 +1678,6 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data) } return 0; } - -static int -pxafb_freq_policy(struct notifier_block *nb, unsigned long val, void *data) -{ - struct pxafb_info *fbi = TO_INF(nb, freq_policy); - struct fb_var_screeninfo *var = &fbi->fb.var; - struct cpufreq_policy *policy = data; - - switch (val) { - case CPUFREQ_ADJUST: - pr_debug("min dma period: %d ps, " - "new clock %d kHz\n", pxafb_display_dma_period(var), - policy->max); - /* TODO: fill in min/max values */ - break; - } - return 0; -} #endif #ifdef CONFIG_PM @@ -2255,7 +2237,6 @@ static int pxafb_probe(struct platform_device *dev) { struct pxafb_info *fbi; struct pxafb_mach_info *inf, *pdata; - struct resource *r; int i, irq, ret; dev_dbg(&dev->dev, "pxafb_probe\n"); @@ -2321,14 +2302,7 @@ static int pxafb_probe(struct platform_device *dev) fbi->lcd_supply = NULL; } - r = platform_get_resource(dev, IORESOURCE_MEM, 0); - if (r == NULL) { - dev_err(&dev->dev, "no I/O memory resource defined\n"); - ret = -ENODEV; - goto failed; - } - - fbi->mmio_base = devm_ioremap_resource(&dev->dev, r); + fbi->mmio_base = devm_platform_ioremap_resource(dev, 0); if (IS_ERR(fbi->mmio_base)) { dev_err(&dev->dev, "failed to get I/O memory\n"); ret = -EBUSY; @@ -2400,11 +2374,8 @@ static int pxafb_probe(struct platform_device *dev) #ifdef CONFIG_CPU_FREQ fbi->freq_transition.notifier_call = pxafb_freq_transition; - fbi->freq_policy.notifier_call = pxafb_freq_policy; cpufreq_register_notifier(&fbi->freq_transition, CPUFREQ_TRANSITION_NOTIFIER); - cpufreq_register_notifier(&fbi->freq_policy, - CPUFREQ_POLICY_NOTIFIER); #endif /* diff --git a/drivers/video/fbdev/pxafb.h b/drivers/video/fbdev/pxafb.h index b641289c8a99..86b1e9ab1a38 100644 --- a/drivers/video/fbdev/pxafb.h +++ b/drivers/video/fbdev/pxafb.h @@ -162,7 +162,6 @@ struct pxafb_info { #ifdef CONFIG_CPU_FREQ struct notifier_block freq_transition; - struct notifier_block freq_policy; #endif struct regulator *lcd_supply; diff --git a/drivers/video/fbdev/q40fb.c b/drivers/video/fbdev/q40fb.c index 0b93aa964d43..79ff14a35c85 100644 --- a/drivers/video/fbdev/q40fb.c +++ b/drivers/video/fbdev/q40fb.c @@ -75,7 +75,7 @@ static int q40fb_setcolreg(unsigned regno, unsigned red, unsigned green, return 0; } -static struct fb_ops q40fb_ops = { +static const struct fb_ops q40fb_ops = { .owner = THIS_MODULE, .fb_setcolreg = q40fb_setcolreg, .fb_fillrect = cfb_fillrect, diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c index ca593a3e41d7..764ec3285e62 100644 --- a/drivers/video/fbdev/riva/fbdev.c +++ b/drivers/video/fbdev/riva/fbdev.c @@ -1673,7 +1673,7 @@ static int rivafb_sync(struct fb_info *info) * ------------------------------------------------------------------------- */ /* kernel interface */ -static struct fb_ops riva_fb_ops = { +static const struct fb_ops riva_fb_ops = { .owner = THIS_MODULE, .fb_open = rivafb_open, .fb_release = rivafb_release, diff --git a/drivers/video/fbdev/s1d13xxxfb.c b/drivers/video/fbdev/s1d13xxxfb.c index e04efb567b5c..8048499e398d 100644 --- a/drivers/video/fbdev/s1d13xxxfb.c +++ b/drivers/video/fbdev/s1d13xxxfb.c @@ -809,7 +809,7 @@ static int s1d13xxxfb_probe(struct platform_device *pdev) platform_set_drvdata(pdev, info); default_par = info->par; - default_par->regs = ioremap_nocache(pdev->resource[1].start, + default_par->regs = ioremap(pdev->resource[1].start, pdev->resource[1].end - pdev->resource[1].start +1); if (!default_par->regs) { printk(KERN_ERR PFX "unable to map registers\n"); @@ -818,7 +818,7 @@ static int s1d13xxxfb_probe(struct platform_device *pdev) } info->pseudo_palette = default_par->pseudo_palette; - info->screen_base = ioremap_nocache(pdev->resource[0].start, + info->screen_base = ioremap(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start +1); if (!info->screen_base) { diff --git a/drivers/video/fbdev/s3c-fb.c b/drivers/video/fbdev/s3c-fb.c index ba04d7a67829..9dc925054930 100644 --- a/drivers/video/fbdev/s3c-fb.c +++ b/drivers/video/fbdev/s3c-fb.c @@ -1035,7 +1035,7 @@ static int s3c_fb_ioctl(struct fb_info *info, unsigned int cmd, return ret; } -static struct fb_ops s3c_fb_ops = { +static const struct fb_ops s3c_fb_ops = { .owner = THIS_MODULE, .fb_check_var = s3c_fb_check_var, .fb_set_par = s3c_fb_set_par, @@ -1411,8 +1411,7 @@ static int s3c_fb_probe(struct platform_device *pdev) pm_runtime_enable(sfb->dev); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - sfb->regs = devm_ioremap_resource(dev, res); + sfb->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(sfb->regs)) { ret = PTR_ERR(sfb->regs); goto err_lcd_clk; diff --git a/drivers/video/fbdev/s3c2410fb.c b/drivers/video/fbdev/s3c2410fb.c index a702da89910b..2fb15a540167 100644 --- a/drivers/video/fbdev/s3c2410fb.c +++ b/drivers/video/fbdev/s3c2410fb.c @@ -618,7 +618,7 @@ static int s3c2410fb_debug_store(struct device *dev, static DEVICE_ATTR(debug, 0664, s3c2410fb_debug_show, s3c2410fb_debug_store); -static struct fb_ops s3c2410fb_ops = { +static const struct fb_ops s3c2410fb_ops = { .owner = THIS_MODULE, .fb_check_var = s3c2410fb_check_var, .fb_set_par = s3c2410fb_set_par, diff --git a/drivers/video/fbdev/s3fb.c b/drivers/video/fbdev/s3fb.c index be16c349c10f..60c424fae988 100644 --- a/drivers/video/fbdev/s3fb.c +++ b/drivers/video/fbdev/s3fb.c @@ -1037,7 +1037,7 @@ static int s3fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) /* Frame buffer operations */ -static struct fb_ops s3fb_ops = { +static const struct fb_ops s3fb_ops = { .owner = THIS_MODULE, .fb_open = s3fb_open, .fb_release = s3fb_release, diff --git a/drivers/video/fbdev/sa1100fb.c b/drivers/video/fbdev/sa1100fb.c index f7f8dee044b1..5bb653db0cec 100644 --- a/drivers/video/fbdev/sa1100fb.c +++ b/drivers/video/fbdev/sa1100fb.c @@ -574,7 +574,7 @@ static int sa1100fb_mmap(struct fb_info *info, return vm_iomap_memory(vma, info->fix.mmio_start, info->fix.mmio_len); } -static struct fb_ops sa1100fb_ops = { +static const struct fb_ops sa1100fb_ops = { .owner = THIS_MODULE, .fb_check_var = sa1100fb_check_var, .fb_set_par = sa1100fb_set_par, @@ -968,19 +968,6 @@ static void sa1100fb_task(struct work_struct *w) #ifdef CONFIG_CPU_FREQ /* - * Calculate the minimum DMA period over all displays that we own. - * This, together with the SDRAM bandwidth defines the slowest CPU - * frequency that can be selected. - */ -static unsigned int sa1100fb_min_dma_period(struct sa1100fb_info *fbi) -{ - /* - * FIXME: we need to verify _all_ consoles. - */ - return sa1100fb_display_dma_period(&fbi->fb.var); -} - -/* * CPU clock speed change handler. We need to adjust the LCD timing * parameters when the CPU clock is adjusted by the power management * subsystem. @@ -1005,31 +992,6 @@ sa1100fb_freq_transition(struct notifier_block *nb, unsigned long val, } return 0; } - -static int -sa1100fb_freq_policy(struct notifier_block *nb, unsigned long val, - void *data) -{ - struct sa1100fb_info *fbi = TO_INF(nb, freq_policy); - struct cpufreq_policy *policy = data; - - switch (val) { - case CPUFREQ_ADJUST: - dev_dbg(fbi->dev, "min dma period: %d ps, " - "new clock %d kHz\n", sa1100fb_min_dma_period(fbi), - policy->max); - /* todo: fill in min/max values */ - break; - case CPUFREQ_NOTIFY: - do {} while(0); - /* todo: panic if min/max values aren't fulfilled - * [can't really happen unless there's a bug in the - * CPU policy verififcation process * - */ - break; - } - return 0; -} #endif #ifdef CONFIG_PM @@ -1181,7 +1143,6 @@ static struct sa1100fb_info *sa1100fb_init_fbinfo(struct device *dev) static int sa1100fb_probe(struct platform_device *pdev) { struct sa1100fb_info *fbi; - struct resource *res; int ret, irq; if (!dev_get_platdata(&pdev->dev)) { @@ -1197,8 +1158,7 @@ static int sa1100fb_probe(struct platform_device *pdev) if (!fbi) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - fbi->base = devm_ioremap_resource(&pdev->dev, res); + fbi->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(fbi->base)) return PTR_ERR(fbi->base); @@ -1242,9 +1202,7 @@ static int sa1100fb_probe(struct platform_device *pdev) #ifdef CONFIG_CPU_FREQ fbi->freq_transition.notifier_call = sa1100fb_freq_transition; - fbi->freq_policy.notifier_call = sa1100fb_freq_policy; cpufreq_register_notifier(&fbi->freq_transition, CPUFREQ_TRANSITION_NOTIFIER); - cpufreq_register_notifier(&fbi->freq_policy, CPUFREQ_POLICY_NOTIFIER); #endif /* This driver cannot be unloaded at the moment */ diff --git a/drivers/video/fbdev/sa1100fb.h b/drivers/video/fbdev/sa1100fb.h index 7a1a9ca33cec..d0aa33b0b88a 100644 --- a/drivers/video/fbdev/sa1100fb.h +++ b/drivers/video/fbdev/sa1100fb.h @@ -64,7 +64,6 @@ struct sa1100fb_info { #ifdef CONFIG_CPU_FREQ struct notifier_block freq_transition; - struct notifier_block freq_policy; #endif const struct sa1100fb_mach_info *inf; diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c index 512789f5f884..aab312a7d9da 100644 --- a/drivers/video/fbdev/savage/savagefb_driver.c +++ b/drivers/video/fbdev/savage/savagefb_driver.c @@ -1637,7 +1637,7 @@ static int savagefb_release(struct fb_info *info, int user) return 0; } -static struct fb_ops savagefb_ops = { +static const struct fb_ops savagefb_ops = { .owner = THIS_MODULE, .fb_open = savagefb_open, .fb_release = savagefb_release, diff --git a/drivers/video/fbdev/sh7760fb.c b/drivers/video/fbdev/sh7760fb.c index ab8fe838c776..5978a8921232 100644 --- a/drivers/video/fbdev/sh7760fb.c +++ b/drivers/video/fbdev/sh7760fb.c @@ -341,7 +341,7 @@ static int sh7760fb_set_par(struct fb_info *info) return 0; } -static struct fb_ops sh7760fb_ops = { +static const struct fb_ops sh7760fb_ops = { .owner = THIS_MODULE, .fb_blank = sh7760fb_blank, .fb_check_var = sh7760fb_check_var, @@ -463,7 +463,7 @@ static int sh7760fb_probe(struct platform_device *pdev) goto out_fb; } - par->base = ioremap_nocache(res->start, resource_size(res)); + par->base = ioremap(res->start, resource_size(res)); if (!par->base) { dev_err(&pdev->dev, "cannot remap\n"); ret = -ENODEV; diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c index ac0bcac9a865..4ea6f932b334 100644 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.c +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c @@ -1490,7 +1490,7 @@ sh_mobile_lcdc_overlay_mmap(struct fb_info *info, struct vm_area_struct *vma) ovl->dma_handle, ovl->fb_size); } -static struct fb_ops sh_mobile_lcdc_overlay_ops = { +static const struct fb_ops sh_mobile_lcdc_overlay_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = fb_sys_write, @@ -1594,6 +1594,7 @@ sh_mobile_lcdc_overlay_fb_init(struct sh_mobile_lcdc_overlay *ovl) case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: info->fix.ypanstep = 2; + /* Fall through */ case V4L2_PIX_FMT_NV16: case V4L2_PIX_FMT_NV61: info->fix.xpanstep = 2; @@ -1963,7 +1964,7 @@ sh_mobile_lcdc_mmap(struct fb_info *info, struct vm_area_struct *vma) ch->dma_handle, ch->fb_size); } -static struct fb_ops sh_mobile_lcdc_ops = { +static const struct fb_ops sh_mobile_lcdc_ops = { .owner = THIS_MODULE, .fb_setcolreg = sh_mobile_lcdc_setcolreg, .fb_read = fb_sys_read, @@ -2084,6 +2085,7 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch, case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: info->fix.ypanstep = 2; + /* Fall through */ case V4L2_PIX_FMT_NV16: case V4L2_PIX_FMT_NV61: info->fix.xpanstep = 2; @@ -2586,7 +2588,7 @@ static int sh_mobile_lcdc_probe(struct platform_device *pdev) if (num_channels == 2) priv->forced_fourcc = pdata->ch[0].fourcc; - priv->base = ioremap_nocache(res->start, resource_size(res)); + priv->base = ioremap(res->start, resource_size(res)); if (!priv->base) { error = -ENOMEM; goto err1; diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c index 7dc0105f700d..533a047d07a2 100644 --- a/drivers/video/fbdev/simplefb.c +++ b/drivers/video/fbdev/simplefb.c @@ -78,7 +78,7 @@ static void simplefb_destroy(struct fb_info *info) iounmap(info->screen_base); } -static struct fb_ops simplefb_ops = { +static const struct fb_ops simplefb_ops = { .owner = THIS_MODULE, .fb_destroy = simplefb_destroy, .fb_setcolreg = simplefb_setcolreg, diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c index b443a8ed4600..ac140962b1bf 100644 --- a/drivers/video/fbdev/sis/sis_main.c +++ b/drivers/video/fbdev/sis/sis_main.c @@ -1906,7 +1906,7 @@ sisfb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info) /* ---------------- fb_ops structures ----------------- */ -static struct fb_ops sisfb_ops = { +static const struct fb_ops sisfb_ops = { .owner = THIS_MODULE, .fb_open = sisfb_open, .fb_release = sisfb_release, diff --git a/drivers/video/fbdev/skeletonfb.c b/drivers/video/fbdev/skeletonfb.c index 812a36cb60c3..bcacfb6934fa 100644 --- a/drivers/video/fbdev/skeletonfb.c +++ b/drivers/video/fbdev/skeletonfb.c @@ -634,7 +634,7 @@ int xxxfb_sync(struct fb_info *info) * Frame buffer operations */ -static struct fb_ops xxxfb_ops = { +static const struct fb_ops xxxfb_ops = { .owner = THIS_MODULE, .fb_open = xxxfb_open, .fb_read = xxxfb_read, diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c index 6edb4492e675..3dd1b1d76e98 100644 --- a/drivers/video/fbdev/sm501fb.c +++ b/drivers/video/fbdev/sm501fb.c @@ -1271,6 +1271,14 @@ static ssize_t sm501fb_debug_show_pnl(struct device *dev, static DEVICE_ATTR(fbregs_pnl, 0444, sm501fb_debug_show_pnl, NULL); +static struct attribute *sm501fb_attrs[] = { + &dev_attr_crt_src.attr, + &dev_attr_fbregs_pnl.attr, + &dev_attr_fbregs_crt.attr, + NULL, +}; +ATTRIBUTE_GROUPS(sm501fb); + /* acceleration operations */ static int sm501fb_sync(struct fb_info *info) { @@ -2011,33 +2019,9 @@ static int sm501fb_probe(struct platform_device *pdev) goto err_started_crt; } - /* create device files */ - - ret = device_create_file(dev, &dev_attr_crt_src); - if (ret) - goto err_started_panel; - - ret = device_create_file(dev, &dev_attr_fbregs_pnl); - if (ret) - goto err_attached_crtsrc_file; - - ret = device_create_file(dev, &dev_attr_fbregs_crt); - if (ret) - goto err_attached_pnlregs_file; - /* we registered, return ok */ return 0; -err_attached_pnlregs_file: - device_remove_file(dev, &dev_attr_fbregs_pnl); - -err_attached_crtsrc_file: - device_remove_file(dev, &dev_attr_crt_src); - -err_started_panel: - unregister_framebuffer(info->fb[HEAD_PANEL]); - sm501_free_init_fb(info, HEAD_PANEL); - err_started_crt: unregister_framebuffer(info->fb[HEAD_CRT]); sm501_free_init_fb(info, HEAD_CRT); @@ -2067,10 +2051,6 @@ static int sm501fb_remove(struct platform_device *pdev) struct fb_info *fbinfo_crt = info->fb[0]; struct fb_info *fbinfo_pnl = info->fb[1]; - device_remove_file(&pdev->dev, &dev_attr_fbregs_crt); - device_remove_file(&pdev->dev, &dev_attr_fbregs_pnl); - device_remove_file(&pdev->dev, &dev_attr_crt_src); - sm501_free_init_fb(info, HEAD_CRT); sm501_free_init_fb(info, HEAD_PANEL); @@ -2234,6 +2214,7 @@ static struct platform_driver sm501fb_driver = { .resume = sm501fb_resume, .driver = { .name = "sm501-fb", + .dev_groups = sm501fb_groups, }, }; diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c index 7b1b0d8d27a7..6a1b4a853d9e 100644 --- a/drivers/video/fbdev/sm712fb.c +++ b/drivers/video/fbdev/sm712fb.c @@ -1369,7 +1369,7 @@ static int smtc_set_par(struct fb_info *info) return 0; } -static struct fb_ops smtcfb_ops = { +static const struct fb_ops smtcfb_ops = { .owner = THIS_MODULE, .fb_check_var = smtc_check_var, .fb_set_par = smtc_set_par, @@ -1694,10 +1694,8 @@ static void smtcfb_pci_remove(struct pci_dev *pdev) static int __maybe_unused smtcfb_pci_suspend(struct device *device) { - struct pci_dev *pdev = to_pci_dev(device); - struct smtcfb_info *sfb; + struct smtcfb_info *sfb = dev_get_drvdata(device); - sfb = pci_get_drvdata(pdev); /* set the hw in sleep mode use external clock and self memory refresh * so that we can turn off internal PLLs later on @@ -1717,10 +1715,8 @@ static int __maybe_unused smtcfb_pci_suspend(struct device *device) static int __maybe_unused smtcfb_pci_resume(struct device *device) { - struct pci_dev *pdev = to_pci_dev(device); - struct smtcfb_info *sfb; + struct smtcfb_info *sfb = dev_get_drvdata(device); - sfb = pci_get_drvdata(pdev); /* reinit hardware */ sm7xx_init_hw(); diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c index 0e0f5bbfc5ef..bfac3ee4a642 100644 --- a/drivers/video/fbdev/smscufx.c +++ b/drivers/video/fbdev/smscufx.c @@ -1170,7 +1170,6 @@ static int ufx_ops_release(struct fb_info *info, int user) fb_deferred_io_cleanup(info); kfree(info->fbdefio); info->fbdefio = NULL; - info->fbops->fb_mmap = ufx_ops_mmap; } pr_debug("released /dev/fb%d user=%d count=%d", @@ -1269,7 +1268,7 @@ static int ufx_ops_blank(int blank_mode, struct fb_info *info) return 0; } -static struct fb_ops ufx_ops = { +static const struct fb_ops ufx_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = ufx_ops_write, diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index b674948e3bb8..142535267fec 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -28,6 +28,7 @@ #define SSD1307FB_SET_COL_RANGE 0x21 #define SSD1307FB_SET_PAGE_RANGE 0x22 #define SSD1307FB_CONTRAST 0x81 +#define SSD1307FB_SET_LOOKUP_TABLE 0x91 #define SSD1307FB_CHARGE_PUMP 0x8d #define SSD1307FB_SEG_REMAP_ON 0xa1 #define SSD1307FB_DISPLAY_OFF 0xae @@ -36,6 +37,7 @@ #define SSD1307FB_START_PAGE_ADDRESS 0xb0 #define SSD1307FB_SET_DISPLAY_OFFSET 0xd3 #define SSD1307FB_SET_CLOCK_FREQ 0xd5 +#define SSD1307FB_SET_AREA_COLOR_MODE 0xd8 #define SSD1307FB_SET_PRECHARGE_PERIOD 0xd9 #define SSD1307FB_SET_COM_PINS_CONFIG 0xda #define SSD1307FB_SET_VCOMH 0xdb @@ -58,10 +60,14 @@ struct ssd1307fb_deviceinfo { }; struct ssd1307fb_par { - u32 com_invdir; - u32 com_lrremap; + unsigned area_color_enable : 1; + unsigned com_invdir : 1; + unsigned com_lrremap : 1; + unsigned com_seq : 1; + unsigned lookup_table_set : 1; + unsigned low_power : 1; + unsigned seg_remap : 1; u32 com_offset; - u32 com_seq; u32 contrast; u32 dclk_div; u32 dclk_frq; @@ -69,6 +75,7 @@ struct ssd1307fb_par { struct i2c_client *client; u32 height; struct fb_info *info; + u8 lookup_table[4]; u32 page_offset; u32 prechargep1; u32 prechargep2; @@ -76,7 +83,6 @@ struct ssd1307fb_par { u32 pwm_period; struct gpio_desc *reset; struct regulator *vbat_reg; - u32 seg_remap; u32 vcomh; u32 width; }; @@ -98,6 +104,9 @@ static const struct fb_fix_screeninfo ssd1307fb_fix = { static const struct fb_var_screeninfo ssd1307fb_var = { .bits_per_pixel = 1, + .red = { .length = 1 }, + .green = { .length = 1 }, + .blue = { .length = 1 }, }; static struct ssd1307fb_array *ssd1307fb_alloc_array(u32 len, u8 type) @@ -149,11 +158,12 @@ static inline int ssd1307fb_write_cmd(struct i2c_client *client, u8 cmd) static void ssd1307fb_update_display(struct ssd1307fb_par *par) { struct ssd1307fb_array *array; - u8 *vmem = par->info->screen_base; + u8 *vmem = par->info->screen_buffer; + unsigned int line_length = par->info->fix.line_length; + unsigned int pages = DIV_ROUND_UP(par->height, 8); int i, j, k; - array = ssd1307fb_alloc_array(par->width * par->height / 8, - SSD1307FB_DATA); + array = ssd1307fb_alloc_array(par->width * pages, SSD1307FB_DATA); if (!array) return; @@ -186,22 +196,24 @@ static void ssd1307fb_update_display(struct ssd1307fb_par *par) * (5) A4 B4 C4 D4 E4 F4 G4 H4 */ - for (i = 0; i < (par->height / 8); i++) { + for (i = 0; i < pages; i++) { for (j = 0; j < par->width; j++) { + int m = 8; u32 array_idx = i * par->width + j; array->data[array_idx] = 0; - for (k = 0; k < 8; k++) { - u32 page_length = par->width * i; - u32 index = page_length + (par->width * k + j) / 8; - u8 byte = *(vmem + index); - u8 bit = byte & (1 << (j % 8)); - bit = bit >> (j % 8); + /* Last page may be partial */ + if (i + 1 == pages && par->height % 8) + m = par->height % 8; + for (k = 0; k < m; k++) { + u8 byte = vmem[(8 * i + k) * line_length + + j / 8]; + u8 bit = (byte >> (j % 8)) & 1; array->data[array_idx] |= bit << k; } } } - ssd1307fb_write_array(par->client, array, par->width * par->height / 8); + ssd1307fb_write_array(par->client, array, par->width * pages); kfree(array); } @@ -212,7 +224,7 @@ static ssize_t ssd1307fb_write(struct fb_info *info, const char __user *buf, struct ssd1307fb_par *par = info->par; unsigned long total_size; unsigned long p = *ppos; - u8 __iomem *dst; + void *dst; total_size = info->fix.smem_len; @@ -225,7 +237,7 @@ static ssize_t ssd1307fb_write(struct fb_info *info, const char __user *buf, if (!count) return -EINVAL; - dst = (void __force *) (info->screen_base + p); + dst = info->screen_buffer + p; if (copy_from_user(dst, buf, count)) return -EFAULT; @@ -268,7 +280,7 @@ static void ssd1307fb_imageblit(struct fb_info *info, const struct fb_image *ima ssd1307fb_update_display(par); } -static struct fb_ops ssd1307fb_ops = { +static const struct fb_ops ssd1307fb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = ssd1307fb_write, @@ -312,7 +324,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) dev_dbg(&par->client->dev, "Using PWM%d with a %dns period.\n", par->pwm->pwm, par->pwm_period); - }; + } /* Set initial contrast */ ret = ssd1307fb_write_cmd(par->client, SSD1307FB_CONTRAST); @@ -328,10 +340,10 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SEG_REMAP_ON); if (ret < 0) return ret; - }; + } /* Set COM direction */ - com_invdir = 0xc0 | (par->com_invdir & 0x1) << 3; + com_invdir = 0xc0 | par->com_invdir << 3; ret = ssd1307fb_write_cmd(par->client, com_invdir); if (ret < 0) return ret; @@ -364,6 +376,22 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) if (ret < 0) return ret; + /* Set Set Area Color Mode ON/OFF & Low Power Display Mode */ + if (par->area_color_enable || par->low_power) { + u32 mode; + + ret = ssd1307fb_write_cmd(par->client, + SSD1307FB_SET_AREA_COLOR_MODE); + if (ret < 0) + return ret; + + mode = (par->area_color_enable ? 0x30 : 0) | + (par->low_power ? 5 : 0); + ret = ssd1307fb_write_cmd(par->client, mode); + if (ret < 0) + return ret; + } + /* Set precharge period in number of ticks from the internal clock */ ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_PRECHARGE_PERIOD); if (ret < 0) @@ -379,8 +407,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) if (ret < 0) return ret; - compins = 0x02 | !(par->com_seq & 0x1) << 4 - | (par->com_lrremap & 0x1) << 5; + compins = 0x02 | !par->com_seq << 4 | par->com_lrremap << 5; ret = ssd1307fb_write_cmd(par->client, compins); if (ret < 0) return ret; @@ -404,6 +431,28 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) if (ret < 0) return ret; + /* Set lookup table */ + if (par->lookup_table_set) { + int i; + + ret = ssd1307fb_write_cmd(par->client, + SSD1307FB_SET_LOOKUP_TABLE); + if (ret < 0) + return ret; + + for (i = 0; i < ARRAY_SIZE(par->lookup_table); ++i) { + u8 val = par->lookup_table[i]; + + if (val < 31 || val > 63) + dev_warn(&par->client->dev, + "lookup table index %d value out of range 31 <= %d <= 63\n", + i, val); + ret = ssd1307fb_write_cmd(par->client, val); + if (ret < 0) + return ret; + } + } + /* Switch to horizontal addressing mode */ ret = ssd1307fb_write_cmd(par->client, SSD1307FB_SET_ADDRESS_MODE); if (ret < 0) @@ -432,12 +481,13 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) if (ret < 0) return ret; - ret = ssd1307fb_write_cmd(par->client, 0x0); + ret = ssd1307fb_write_cmd(par->client, par->page_offset); if (ret < 0) return ret; ret = ssd1307fb_write_cmd(par->client, - par->page_offset + (par->height / 8) - 1); + par->page_offset + + DIV_ROUND_UP(par->height, 8) - 1); if (ret < 0) return ret; @@ -546,7 +596,7 @@ static int ssd1307fb_probe(struct i2c_client *client, struct fb_deferred_io *ssd1307fb_defio; u32 vmem_size; struct ssd1307fb_par *par; - u8 *vmem; + void *vmem; int ret; if (!node) { @@ -603,19 +653,29 @@ static int ssd1307fb_probe(struct i2c_client *client, if (of_property_read_u32(node, "solomon,prechargep2", &par->prechargep2)) par->prechargep2 = 2; + if (!of_property_read_u8_array(node, "solomon,lookup-table", + par->lookup_table, + ARRAY_SIZE(par->lookup_table))) + par->lookup_table_set = 1; + par->seg_remap = !of_property_read_bool(node, "solomon,segment-no-remap"); par->com_seq = of_property_read_bool(node, "solomon,com-seq"); par->com_lrremap = of_property_read_bool(node, "solomon,com-lrremap"); par->com_invdir = of_property_read_bool(node, "solomon,com-invdir"); + par->area_color_enable = + of_property_read_bool(node, "solomon,area-color-enable"); + par->low_power = of_property_read_bool(node, "solomon,low-power"); par->contrast = 127; par->vcomh = par->device_info->default_vcomh; /* Setup display timing */ - par->dclk_div = par->device_info->default_dclk_div; - par->dclk_frq = par->device_info->default_dclk_frq; + if (of_property_read_u32(node, "solomon,dclk-div", &par->dclk_div)) + par->dclk_div = par->device_info->default_dclk_div; + if (of_property_read_u32(node, "solomon,dclk-frq", &par->dclk_frq)) + par->dclk_frq = par->device_info->default_dclk_frq; - vmem_size = par->width * par->height / 8; + vmem_size = DIV_ROUND_UP(par->width, 8) * par->height; vmem = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, get_order(vmem_size)); @@ -638,7 +698,7 @@ static int ssd1307fb_probe(struct i2c_client *client, info->fbops = &ssd1307fb_ops; info->fix = ssd1307fb_fix; - info->fix.line_length = par->width / 8; + info->fix.line_length = DIV_ROUND_UP(par->width, 8); info->fbdefio = ssd1307fb_defio; info->var = ssd1307fb_var; @@ -647,14 +707,7 @@ static int ssd1307fb_probe(struct i2c_client *client, info->var.yres = par->height; info->var.yres_virtual = par->height; - info->var.red.length = 1; - info->var.red.offset = 0; - info->var.green.length = 1; - info->var.green.offset = 0; - info->var.blue.length = 1; - info->var.blue.offset = 0; - - info->screen_base = (u8 __force __iomem *)vmem; + info->screen_buffer = vmem; info->fix.smem_start = __pa(vmem); info->fix.smem_len = vmem_size; @@ -713,7 +766,7 @@ panel_init_error: if (par->device_info->need_pwm) { pwm_disable(par->pwm); pwm_put(par->pwm); - }; + } regulator_enable_error: if (par->vbat_reg) regulator_disable(par->vbat_reg); @@ -737,7 +790,7 @@ static int ssd1307fb_remove(struct i2c_client *client) if (par->device_info->need_pwm) { pwm_disable(par->pwm); pwm_put(par->pwm); - }; + } fb_deferred_io_cleanup(info); __free_pages(__va(info->fix.smem_start), get_order(info->fix.smem_len)); framebuffer_release(info); diff --git a/drivers/video/fbdev/sstfb.c b/drivers/video/fbdev/sstfb.c index 4e22ae383c87..afe6d1b7c3a0 100644 --- a/drivers/video/fbdev/sstfb.c +++ b/drivers/video/fbdev/sstfb.c @@ -1307,7 +1307,7 @@ static int sstfb_setup(char *options) } -static struct fb_ops sstfb_ops = { +static const struct fb_ops sstfb_ops = { .owner = THIS_MODULE, .fb_check_var = sstfb_check_var, .fb_set_par = sstfb_set_par, @@ -1363,14 +1363,14 @@ static int sstfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto fail_fb_mem; } - par->mmio_vbase = ioremap_nocache(fix->mmio_start, + par->mmio_vbase = ioremap(fix->mmio_start, fix->mmio_len); if (!par->mmio_vbase) { printk(KERN_ERR "sstfb: cannot remap register area %#lx\n", fix->mmio_start); goto fail_mmio_remap; } - info->screen_base = ioremap_nocache(fix->smem_start, 0x400000); + info->screen_base = ioremap(fix->smem_start, 0x400000); if (!info->screen_base) { printk(KERN_ERR "sstfb: cannot remap framebuffer %#lx\n", fix->smem_start); diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c index 9e88e3f594c2..de953ddb6312 100644 --- a/drivers/video/fbdev/stifb.c +++ b/drivers/video/fbdev/stifb.c @@ -1101,7 +1101,7 @@ stifb_init_display(struct stifb_info *fb) /* ------------ Interfaces to hardware functions ------------ */ -static struct fb_ops stifb_ops = { +static const struct fb_ops stifb_ops = { .owner = THIS_MODULE, .fb_setcolreg = stifb_setcolreg, .fb_blank = stifb_blank, @@ -1198,7 +1198,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) case S9000_ID_TOMCAT: /* Dual CRX, behaves else like a CRX */ /* FIXME: TomCat supports two heads: * fb.iobase = REGION_BASE(fb_info,3); - * fb.screen_base = ioremap_nocache(REGION_BASE(fb_info,2),xxx); + * fb.screen_base = ioremap(REGION_BASE(fb_info,2),xxx); * for now we only support the left one ! */ xres = fb->ngle_rom.x_size_visible; yres = fb->ngle_rom.y_size_visible; @@ -1291,7 +1291,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) strcpy(fix->id, "stifb"); info->fbops = &stifb_ops; - info->screen_base = ioremap_nocache(REGION_BASE(fb,1), fix->smem_len); + info->screen_base = ioremap(REGION_BASE(fb,1), fix->smem_len); if (!info->screen_base) { printk(KERN_ERR "stifb: failed to map memory\n"); goto out_err0; diff --git a/drivers/video/fbdev/sunxvr1000.c b/drivers/video/fbdev/sunxvr1000.c index 784c9bd5d502..15b079505a00 100644 --- a/drivers/video/fbdev/sunxvr1000.c +++ b/drivers/video/fbdev/sunxvr1000.c @@ -59,7 +59,7 @@ static int gfb_setcolreg(unsigned regno, return 0; } -static struct fb_ops gfb_ops = { +static const struct fb_ops gfb_ops = { .owner = THIS_MODULE, .fb_setcolreg = gfb_setcolreg, .fb_fillrect = cfb_fillrect, diff --git a/drivers/video/fbdev/sunxvr2500.c b/drivers/video/fbdev/sunxvr2500.c index 31683e5a8b79..1d3bacd9d5ac 100644 --- a/drivers/video/fbdev/sunxvr2500.c +++ b/drivers/video/fbdev/sunxvr2500.c @@ -63,7 +63,7 @@ static int s3d_setcolreg(unsigned regno, return 0; } -static struct fb_ops s3d_ops = { +static const struct fb_ops s3d_ops = { .owner = THIS_MODULE, .fb_setcolreg = s3d_setcolreg, .fb_fillrect = cfb_fillrect, diff --git a/drivers/video/fbdev/sunxvr500.c b/drivers/video/fbdev/sunxvr500.c index d392976126a6..9daf17b11106 100644 --- a/drivers/video/fbdev/sunxvr500.c +++ b/drivers/video/fbdev/sunxvr500.c @@ -186,7 +186,7 @@ static void e3d_copyarea(struct fb_info *info, const struct fb_copyarea *area) spin_unlock_irqrestore(&ep->lock, flags); } -static struct fb_ops e3d_ops = { +static const struct fb_ops e3d_ops = { .owner = THIS_MODULE, .fb_setcolreg = e3d_setcolreg, .fb_fillrect = e3d_fillrect, diff --git a/drivers/video/fbdev/tcx.c b/drivers/video/fbdev/tcx.c index 7897f86fb23e..34b2e5b6e84a 100644 --- a/drivers/video/fbdev/tcx.c +++ b/drivers/video/fbdev/tcx.c @@ -40,7 +40,7 @@ static int tcx_pan_display(struct fb_var_screeninfo *, struct fb_info *); * Frame buffer operations */ -static struct fb_ops tcx_ops = { +static const struct fb_ops tcx_ops = { .owner = THIS_MODULE, .fb_setcolreg = tcx_setcolreg, .fb_blank = tcx_blank, diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index fdbb1ea66e6c..f73e26c18c09 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -1141,7 +1141,7 @@ static int tdfxfb_cursor(struct fb_info *info, struct fb_cursor *cursor) return 0; } -static struct fb_ops tdfxfb_ops = { +static const struct fb_ops tdfxfb_ops = { .owner = THIS_MODULE, .fb_check_var = tdfxfb_check_var, .fb_set_par = tdfxfb_set_par, @@ -1417,7 +1417,7 @@ static int tdfxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) } default_par->regbase_virt = - ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); + ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!default_par->regbase_virt) { printk(KERN_ERR "fb: Can't remap %s register area.\n", info->fix.id); diff --git a/drivers/video/fbdev/tgafb.c b/drivers/video/fbdev/tgafb.c index 286b2371c7dd..e9869135d833 100644 --- a/drivers/video/fbdev/tgafb.c +++ b/drivers/video/fbdev/tgafb.c @@ -70,7 +70,7 @@ static struct tc_driver tgafb_tc_driver; * Frame buffer operations */ -static struct fb_ops tgafb_ops = { +static const struct fb_ops tgafb_ops = { .owner = THIS_MODULE, .fb_check_var = tgafb_check_var, .fb_set_par = tgafb_set_par, @@ -1438,7 +1438,7 @@ static int tgafb_register(struct device *dev) } /* Map the framebuffer. */ - mem_base = ioremap_nocache(bar0_start, bar0_len); + mem_base = ioremap(bar0_start, bar0_len); if (!mem_base) { printk(KERN_ERR "tgafb: Cannot map MMIO\n"); goto err1; diff --git a/drivers/video/fbdev/tmiofb.c b/drivers/video/fbdev/tmiofb.c index 4f2fcea10d2b..50111966c981 100644 --- a/drivers/video/fbdev/tmiofb.c +++ b/drivers/video/fbdev/tmiofb.c @@ -646,7 +646,7 @@ static int tmiofb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops tmiofb_ops = { +static const struct fb_ops tmiofb_ops = { .owner = THIS_MODULE, .fb_ioctl = tmiofb_ioctl, diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c index da74bf6c5996..4d20cb557ff0 100644 --- a/drivers/video/fbdev/tridentfb.c +++ b/drivers/video/fbdev/tridentfb.c @@ -1443,7 +1443,7 @@ static int tridentfb_blank(int blank_mode, struct fb_info *info) return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0; } -static struct fb_ops tridentfb_ops = { +static const struct fb_ops tridentfb_ops = { .owner = THIS_MODULE, .fb_setcolreg = tridentfb_setcolreg, .fb_pan_display = tridentfb_pan_display, @@ -1556,7 +1556,7 @@ static int trident_pci_probe(struct pci_dev *dev, return -1; } - default_par->io_virt = ioremap_nocache(tridentfb_fix.mmio_start, + default_par->io_virt = ioremap(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); if (!default_par->io_virt) { @@ -1579,7 +1579,7 @@ static int trident_pci_probe(struct pci_dev *dev, goto out_unmap1; } - info->screen_base = ioremap_nocache(tridentfb_fix.smem_start, + info->screen_base = ioremap(tridentfb_fix.smem_start, tridentfb_fix.smem_len); if (!info->screen_base) { diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index c328e8265cb1..07905d385949 100644 --- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -1037,7 +1037,6 @@ static int dlfb_ops_release(struct fb_info *info, int user) fb_deferred_io_cleanup(info); kfree(info->fbdefio); info->fbdefio = NULL; - info->fbops->fb_mmap = dlfb_ops_mmap; } dev_dbg(info->dev, "release, user=%d count=%d\n", user, dlfb->fb_count); @@ -1183,7 +1182,7 @@ static int dlfb_ops_blank(int blank_mode, struct fb_info *info) return 0; } -static struct fb_ops dlfb_ops = { +static const struct fb_ops dlfb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = dlfb_ops_write, diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c index 439565cae7ab..53d08d1b56f5 100644 --- a/drivers/video/fbdev/uvesafb.c +++ b/drivers/video/fbdev/uvesafb.c @@ -1440,7 +1440,7 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode) /* Disable blanking if the user requested so. */ if (!blank) - info->fbops->fb_blank = NULL; + uvesafb_ops.fb_blank = NULL; /* * Find out how much IO memory is required for the mode with @@ -1510,7 +1510,7 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode) (par->ypan ? FBINFO_HWACCEL_YPAN : 0); if (!par->ypan) - info->fbops->fb_pan_display = NULL; + uvesafb_ops.fb_pan_display = NULL; } static void uvesafb_init_mtrr(struct fb_info *info) diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c index e04fde9c1fcd..4d20c4603e5a 100644 --- a/drivers/video/fbdev/valkyriefb.c +++ b/drivers/video/fbdev/valkyriefb.c @@ -113,7 +113,7 @@ static int valkyrie_init_info(struct fb_info *info, struct fb_info_valkyrie *p); static void valkyrie_par_to_fix(struct fb_par_valkyrie *par, struct fb_fix_screeninfo *fix); static void valkyrie_init_fix(struct fb_fix_screeninfo *fix, struct fb_info_valkyrie *p); -static struct fb_ops valkyriefb_ops = { +static const struct fb_ops valkyriefb_ops = { .owner = THIS_MODULE, .fb_check_var = valkyriefb_check_var, .fb_set_par = valkyriefb_set_par, @@ -356,7 +356,7 @@ int __init valkyriefb_init(void) p->total_vram = 0x100000; p->frame_buffer_phys = frame_buffer_phys; #ifdef CONFIG_MAC - p->frame_buffer = ioremap_nocache(frame_buffer_phys, p->total_vram); + p->frame_buffer = ioremap(frame_buffer_phys, p->total_vram); #else p->frame_buffer = ioremap_wt(frame_buffer_phys, p->total_vram); #endif diff --git a/drivers/video/fbdev/vermilion/cr_pll.c b/drivers/video/fbdev/vermilion/cr_pll.c index c1e3738e6789..79d42b23d850 100644 --- a/drivers/video/fbdev/vermilion/cr_pll.c +++ b/drivers/video/fbdev/vermilion/cr_pll.c @@ -159,7 +159,7 @@ static int __init cr_pll_init(void) pci_read_config_dword(mch_dev, CRVML_REG_MCHBAR, &mch_bar); mch_regs_base = - ioremap_nocache(mch_bar, CRVML_MCHMAP_SIZE); + ioremap(mch_bar, CRVML_MCHMAP_SIZE); if (!mch_regs_base) { printk(KERN_ERR "Carillo Ranch MCH device was not enabled.\n"); diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c index 498038a964ee..ff61605b8764 100644 --- a/drivers/video/fbdev/vermilion/vermilion.c +++ b/drivers/video/fbdev/vermilion/vermilion.c @@ -317,7 +317,7 @@ static int vmlfb_enable_mmio(struct vml_par *par) ": Could not claim display controller MMIO.\n"); return -EBUSY; } - par->vdc_mem = ioremap_nocache(par->vdc_mem_base, par->vdc_mem_size); + par->vdc_mem = ioremap(par->vdc_mem_base, par->vdc_mem_size); if (par->vdc_mem == NULL) { printk(KERN_ERR MODULE_NAME ": Could not map display controller MMIO.\n"); @@ -332,7 +332,7 @@ static int vmlfb_enable_mmio(struct vml_par *par) err = -EBUSY; goto out_err_1; } - par->gpu_mem = ioremap_nocache(par->gpu_mem_base, par->gpu_mem_size); + par->gpu_mem = ioremap(par->gpu_mem_base, par->gpu_mem_size); if (par->gpu_mem == NULL) { printk(KERN_ERR MODULE_NAME ": Could not map GPU MMIO.\n"); err = -ENOMEM; diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c index d9c08f6c2155..a1fe24ea869b 100644 --- a/drivers/video/fbdev/vesafb.c +++ b/drivers/video/fbdev/vesafb.c @@ -447,15 +447,15 @@ static int vesafb_probe(struct platform_device *dev) vesafb_fix.smem_start, info->screen_base, size_remap/1024, size_total/1024); + if (!ypan) + vesafb_ops.fb_pan_display = NULL; + info->fbops = &vesafb_ops; info->var = vesafb_defined; info->fix = vesafb_fix; info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE | (ypan ? FBINFO_HWACCEL_YPAN : 0); - if (!ypan) - info->fbops->fb_pan_display = NULL; - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { err = -ENOMEM; goto err; diff --git a/drivers/video/fbdev/vfb.c b/drivers/video/fbdev/vfb.c index 54127905bfe7..95d3c59867d0 100644 --- a/drivers/video/fbdev/vfb.c +++ b/drivers/video/fbdev/vfb.c @@ -78,7 +78,7 @@ static int vfb_pan_display(struct fb_var_screeninfo *var, static int vfb_mmap(struct fb_info *info, struct vm_area_struct *vma); -static struct fb_ops vfb_ops = { +static const struct fb_ops vfb_ops = { .fb_read = fb_sys_read, .fb_write = fb_sys_write, .fb_check_var = vfb_check_var, diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c index 2c6a576ed84c..a20eeb8308ff 100644 --- a/drivers/video/fbdev/vga16fb.c +++ b/drivers/video/fbdev/vga16fb.c @@ -1270,7 +1270,7 @@ static void vga16fb_destroy(struct fb_info *info) framebuffer_release(info); } -static struct fb_ops vga16fb_ops = { +static const struct fb_ops vga16fb_ops = { .owner = THIS_MODULE, .fb_open = vga16fb_open, .fb_release = vga16fb_release, diff --git a/drivers/video/fbdev/via/via-core.c b/drivers/video/fbdev/via/via-core.c index e2b2062673da..703ddee9a244 100644 --- a/drivers/video/fbdev/via/via-core.c +++ b/drivers/video/fbdev/via/via-core.c @@ -221,49 +221,6 @@ void viafb_release_dma(void) } EXPORT_SYMBOL_GPL(viafb_release_dma); - -#if 0 -/* - * Copy a single buffer from FB memory, synchronously. This code works - * but is not currently used. - */ -void viafb_dma_copy_out(unsigned int offset, dma_addr_t paddr, int len) -{ - unsigned long flags; - int csr; - - mutex_lock(&viafb_dma_lock); - init_completion(&viafb_dma_completion); - /* - * Program the controller. - */ - spin_lock_irqsave(&global_dev.reg_lock, flags); - viafb_mmio_write(VDMA_CSR0, VDMA_C_ENABLE|VDMA_C_DONE); - /* Enable ints; must happen after CSR0 write! */ - viafb_mmio_write(VDMA_MR0, VDMA_MR_TDIE); - viafb_mmio_write(VDMA_MARL0, (int) (paddr & 0xfffffff0)); - viafb_mmio_write(VDMA_MARH0, (int) ((paddr >> 28) & 0xfff)); - /* Data sheet suggests DAR0 should be <<4, but it lies */ - viafb_mmio_write(VDMA_DAR0, offset); - viafb_mmio_write(VDMA_DQWCR0, len >> 4); - viafb_mmio_write(VDMA_TMR0, 0); - viafb_mmio_write(VDMA_DPRL0, 0); - viafb_mmio_write(VDMA_DPRH0, 0); - viafb_mmio_write(VDMA_PMR0, 0); - csr = viafb_mmio_read(VDMA_CSR0); - viafb_mmio_write(VDMA_CSR0, VDMA_C_ENABLE|VDMA_C_START); - spin_unlock_irqrestore(&global_dev.reg_lock, flags); - /* - * Now we just wait until the interrupt handler says - * we're done. - */ - wait_for_completion_interruptible(&viafb_dma_completion); - viafb_mmio_write(VDMA_MR0, 0); /* Reset int enable */ - mutex_unlock(&viafb_dma_lock); -} -EXPORT_SYMBOL_GPL(viafb_dma_copy_out); -#endif - /* * Do a scatter/gather DMA copy from FB memory. You must have done * a successful call to viafb_request_dma() first. @@ -485,7 +442,7 @@ static int via_pci_setup_mmio(struct viafb_dev *vdev) */ vdev->engine_start = pci_resource_start(vdev->pdev, 1); vdev->engine_len = pci_resource_len(vdev->pdev, 1); - vdev->engine_mmio = ioremap_nocache(vdev->engine_start, + vdev->engine_mmio = ioremap(vdev->engine_start, vdev->engine_len); if (vdev->engine_mmio == NULL) dev_err(&vdev->pdev->dev, diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c index f815f98190bc..852673c40a2f 100644 --- a/drivers/video/fbdev/via/viafbdev.c +++ b/drivers/video/fbdev/via/viafbdev.c @@ -1173,13 +1173,12 @@ static ssize_t viafb_dvp0_proc_write(struct file *file, return count; } -static const struct file_operations viafb_dvp0_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_dvp0_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_dvp0_proc_write, +static const struct proc_ops viafb_dvp0_proc_ops = { + .proc_open = viafb_dvp0_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_dvp0_proc_write, }; static int viafb_dvp1_proc_show(struct seq_file *m, void *v) @@ -1238,13 +1237,12 @@ static ssize_t viafb_dvp1_proc_write(struct file *file, return count; } -static const struct file_operations viafb_dvp1_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_dvp1_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_dvp1_proc_write, +static const struct proc_ops viafb_dvp1_proc_ops = { + .proc_open = viafb_dvp1_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_dvp1_proc_write, }; static int viafb_dfph_proc_show(struct seq_file *m, void *v) @@ -1273,13 +1271,12 @@ static ssize_t viafb_dfph_proc_write(struct file *file, return count; } -static const struct file_operations viafb_dfph_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_dfph_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_dfph_proc_write, +static const struct proc_ops viafb_dfph_proc_ops = { + .proc_open = viafb_dfph_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_dfph_proc_write, }; static int viafb_dfpl_proc_show(struct seq_file *m, void *v) @@ -1308,13 +1305,12 @@ static ssize_t viafb_dfpl_proc_write(struct file *file, return count; } -static const struct file_operations viafb_dfpl_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_dfpl_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_dfpl_proc_write, +static const struct proc_ops viafb_dfpl_proc_ops = { + .proc_open = viafb_dfpl_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_dfpl_proc_write, }; static int viafb_vt1636_proc_show(struct seq_file *m, void *v) @@ -1444,13 +1440,12 @@ static ssize_t viafb_vt1636_proc_write(struct file *file, return count; } -static const struct file_operations viafb_vt1636_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_vt1636_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_vt1636_proc_write, +static const struct proc_ops viafb_vt1636_proc_ops = { + .proc_open = viafb_vt1636_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_vt1636_proc_write, }; #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ @@ -1522,13 +1517,12 @@ static ssize_t viafb_iga1_odev_proc_write(struct file *file, return res; } -static const struct file_operations viafb_iga1_odev_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_iga1_odev_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_iga1_odev_proc_write, +static const struct proc_ops viafb_iga1_odev_proc_ops = { + .proc_open = viafb_iga1_odev_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_iga1_odev_proc_write, }; static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v) @@ -1562,13 +1556,12 @@ static ssize_t viafb_iga2_odev_proc_write(struct file *file, return res; } -static const struct file_operations viafb_iga2_odev_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_iga2_odev_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_iga2_odev_proc_write, +static const struct proc_ops viafb_iga2_odev_proc_ops = { + .proc_open = viafb_iga2_odev_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_iga2_odev_proc_write, }; #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS) @@ -1580,14 +1573,14 @@ static void viafb_init_proc(struct viafb_shared *shared) shared->proc_entry = viafb_entry; if (viafb_entry) { #ifdef CONFIG_FB_VIA_DIRECT_PROCFS - proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops); - proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops); - proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops); - proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops); + proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_ops); + proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_ops); + proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_ops); + proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_ops); if (IS_VT1636(shared->chip_info.lvds_chip_info) || IS_VT1636(shared->chip_info.lvds_chip_info2)) proc_create("vt1636", 0, viafb_entry, - &viafb_vt1636_proc_fops); + &viafb_vt1636_proc_ops); #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ proc_create_single("supported_output_devices", 0, viafb_entry, @@ -1595,11 +1588,11 @@ static void viafb_init_proc(struct viafb_shared *shared) iga1_entry = proc_mkdir("iga1", viafb_entry); shared->iga1_proc_entry = iga1_entry; proc_create("output_devices", 0, iga1_entry, - &viafb_iga1_odev_proc_fops); + &viafb_iga1_odev_proc_ops); iga2_entry = proc_mkdir("iga2", viafb_entry); shared->iga2_proc_entry = iga2_entry; proc_create("output_devices", 0, iga2_entry, - &viafb_iga2_odev_proc_fops); + &viafb_iga2_odev_proc_ops); } } static void viafb_remove_proc(struct viafb_shared *shared) diff --git a/drivers/video/fbdev/vt8500lcdfb.c b/drivers/video/fbdev/vt8500lcdfb.c index be8d9702cbb2..f744479dc7df 100644 --- a/drivers/video/fbdev/vt8500lcdfb.c +++ b/drivers/video/fbdev/vt8500lcdfb.c @@ -238,7 +238,7 @@ static int vt8500lcd_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops vt8500lcd_ops = { +static const struct fb_ops vt8500lcd_ops = { .owner = THIS_MODULE, .fb_set_par = vt8500lcd_set_par, .fb_setcolreg = vt8500lcd_setcolreg, diff --git a/drivers/video/fbdev/vt8623fb.c b/drivers/video/fbdev/vt8623fb.c index c339a8fbad81..7b3eef1b893f 100644 --- a/drivers/video/fbdev/vt8623fb.c +++ b/drivers/video/fbdev/vt8623fb.c @@ -634,7 +634,7 @@ static int vt8623fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *i /* Frame buffer operations */ -static struct fb_ops vt8623fb_ops = { +static const struct fb_ops vt8623fb_ops = { .owner = THIS_MODULE, .fb_open = vt8623fb_open, .fb_release = vt8623fb_release, diff --git a/drivers/video/fbdev/w100fb.c b/drivers/video/fbdev/w100fb.c index 597ffaa13cd2..ad26cbffbc6f 100644 --- a/drivers/video/fbdev/w100fb.c +++ b/drivers/video/fbdev/w100fb.c @@ -164,6 +164,15 @@ static ssize_t fastpllclk_store(struct device *dev, struct device_attribute *att static DEVICE_ATTR_RW(fastpllclk); +static struct attribute *w100fb_attrs[] = { + &dev_attr_fastpllclk.attr, + &dev_attr_reg_read.attr, + &dev_attr_reg_write.attr, + &dev_attr_flip.attr, + NULL, +}; +ATTRIBUTE_GROUPS(w100fb); + /* * Some touchscreens need hsync information from the video driver to * function correctly. We export it here. @@ -540,7 +549,7 @@ static int w100fb_set_par(struct fb_info *info) /* * Frame buffer operations */ -static struct fb_ops w100fb_ops = { +static const struct fb_ops w100fb_ops = { .owner = THIS_MODULE, .fb_check_var = w100fb_check_var, .fb_set_par = w100fb_set_par, @@ -639,12 +648,12 @@ int w100fb_probe(struct platform_device *pdev) return -EINVAL; /* Remap the chip base address */ - remapped_base = ioremap_nocache(mem->start+W100_CFG_BASE, W100_CFG_LEN); + remapped_base = ioremap(mem->start+W100_CFG_BASE, W100_CFG_LEN); if (remapped_base == NULL) goto out; /* Map the register space */ - remapped_regs = ioremap_nocache(mem->start+W100_REG_BASE, W100_REG_LEN); + remapped_regs = ioremap(mem->start+W100_REG_BASE, W100_REG_LEN); if (remapped_regs == NULL) goto out; @@ -663,7 +672,7 @@ int w100fb_probe(struct platform_device *pdev) printk(" at 0x%08lx.\n", (unsigned long) mem->start+W100_CFG_BASE); /* Remap the framebuffer */ - remapped_fbuf = ioremap_nocache(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE); + remapped_fbuf = ioremap(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE); if (remapped_fbuf == NULL) goto out; @@ -752,14 +761,6 @@ int w100fb_probe(struct platform_device *pdev) goto out; } - err = device_create_file(&pdev->dev, &dev_attr_fastpllclk); - err |= device_create_file(&pdev->dev, &dev_attr_reg_read); - err |= device_create_file(&pdev->dev, &dev_attr_reg_write); - err |= device_create_file(&pdev->dev, &dev_attr_flip); - - if (err != 0) - fb_warn(info, "failed to register attributes (%d)\n", err); - fb_info(info, "%s frame buffer device\n", info->fix.id); return 0; out: @@ -784,11 +785,6 @@ static int w100fb_remove(struct platform_device *pdev) struct fb_info *info = platform_get_drvdata(pdev); struct w100fb_par *par=info->par; - device_remove_file(&pdev->dev, &dev_attr_fastpllclk); - device_remove_file(&pdev->dev, &dev_attr_reg_read); - device_remove_file(&pdev->dev, &dev_attr_reg_write); - device_remove_file(&pdev->dev, &dev_attr_flip); - unregister_framebuffer(info); vfree(par->saved_intmem); @@ -1625,6 +1621,7 @@ static struct platform_driver w100fb_driver = { .resume = w100fb_resume, .driver = { .name = "w100fb", + .dev_groups = w100fb_groups, }, }; diff --git a/drivers/video/fbdev/wm8505fb.c b/drivers/video/fbdev/wm8505fb.c index ff752635a31c..b656eff58c23 100644 --- a/drivers/video/fbdev/wm8505fb.c +++ b/drivers/video/fbdev/wm8505fb.c @@ -176,6 +176,12 @@ static ssize_t contrast_store(struct device *dev, static DEVICE_ATTR_RW(contrast); +static struct attribute *wm8505fb_attrs[] = { + &dev_attr_contrast.attr, + NULL, +}; +ATTRIBUTE_GROUPS(wm8505fb); + static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf) { chan &= 0xffff; @@ -240,7 +246,7 @@ static int wm8505fb_blank(int blank, struct fb_info *info) return 0; } -static struct fb_ops wm8505fb_ops = { +static const struct fb_ops wm8505fb_ops = { .owner = THIS_MODULE, .fb_set_par = wm8505fb_set_par, .fb_setcolreg = wm8505fb_setcolreg, @@ -361,10 +367,6 @@ static int wm8505fb_probe(struct platform_device *pdev) return ret; } - ret = device_create_file(&pdev->dev, &dev_attr_contrast); - if (ret < 0) - fb_warn(&fbi->fb, "failed to register attributes (%d)\n", ret); - fb_info(&fbi->fb, "%s frame buffer at 0x%lx-0x%lx\n", fbi->fb.fix.id, fbi->fb.fix.smem_start, fbi->fb.fix.smem_start + fbi->fb.fix.smem_len - 1); @@ -376,8 +378,6 @@ static int wm8505fb_remove(struct platform_device *pdev) { struct wm8505fb_info *fbi = platform_get_drvdata(pdev); - device_remove_file(&pdev->dev, &dev_attr_contrast); - unregister_framebuffer(&fbi->fb); writel(0, fbi->regbase); @@ -399,6 +399,7 @@ static struct platform_driver wm8505fb_driver = { .driver = { .name = DRIVER_NAME, .of_match_table = wmt_dt_ids, + .dev_groups = wm8505fb_groups, }, }; diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index a3d6b6db221b..00307b8693bf 100644 --- a/drivers/video/fbdev/xen-fbfront.c +++ b/drivers/video/fbdev/xen-fbfront.c @@ -328,7 +328,7 @@ static int xenfb_set_par(struct fb_info *info) return 0; } -static struct fb_ops xenfb_fb_ops = { +static const struct fb_ops xenfb_fb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = xenfb_write, diff --git a/drivers/video/fbdev/xilinxfb.c b/drivers/video/fbdev/xilinxfb.c index 8628829b470d..ca4ff658cad0 100644 --- a/drivers/video/fbdev/xilinxfb.c +++ b/drivers/video/fbdev/xilinxfb.c @@ -247,7 +247,7 @@ xilinx_fb_blank(int blank_mode, struct fb_info *fbi) return 0; /* success */ } -static struct fb_ops xilinxfb_ops = { +static const struct fb_ops xilinxfb_ops = { .owner = THIS_MODULE, .fb_setcolreg = xilinx_fb_setcolreg, .fb_blank = xilinx_fb_blank, |
