diff options
Diffstat (limited to 'drivers')
24 files changed, 328 insertions, 398 deletions
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 772c62a6e2ac..4752f223e5b2 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -1,11 +1,12 @@ config DRM_EXYNOS tristate "DRM Support for Samsung SoC EXYNOS Series" - depends on DRM && (PLAT_SAMSUNG || ARCH_MULTIPLATFORM) + depends on OF && DRM && (PLAT_SAMSUNG || ARCH_MULTIPLATFORM) select DRM_KMS_HELPER select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select VT_HW_CONSOLE_BINDING if FRAMEBUFFER_CONSOLE + select VIDEOMODE_HELPERS help Choose this option if you have a Samsung SoC EXYNOS chipset. If M is selected the module will be called exynosdrm. @@ -24,9 +25,8 @@ config DRM_EXYNOS_DMABUF config DRM_EXYNOS_FIMD bool "Exynos DRM FIMD" - depends on OF && DRM_EXYNOS && !FB_S3C && !ARCH_MULTIPLATFORM + depends on DRM_EXYNOS && !FB_S3C && !ARCH_MULTIPLATFORM select FB_MODE_HELPERS - select VIDEOMODE_HELPERS help Choose this option if you want to use Exynos FIMD for DRM. diff --git a/drivers/gpu/drm/exynos/exynos_ddc.c b/drivers/gpu/drm/exynos/exynos_ddc.c index 30ef41bcd7b8..6a8c84e7c839 100644 --- a/drivers/gpu/drm/exynos/exynos_ddc.c +++ b/drivers/gpu/drm/exynos/exynos_ddc.c @@ -15,7 +15,7 @@ #include <linux/kernel.h> #include <linux/i2c.h> - +#include <linux/of.h> #include "exynos_drm_drv.h" #include "exynos_hdmi.h" @@ -41,13 +41,6 @@ static int s5p_ddc_remove(struct i2c_client *client) return 0; } -static struct i2c_device_id ddc_idtable[] = { - {"s5p_ddc", 0}, - {"exynos5-hdmiddc", 0}, - { }, -}; - -#ifdef CONFIG_OF static struct of_device_id hdmiddc_match_types[] = { { .compatible = "samsung,exynos5-hdmiddc", @@ -57,15 +50,13 @@ static struct of_device_id hdmiddc_match_types[] = { /* end node */ } }; -#endif struct i2c_driver ddc_driver = { .driver = { .name = "exynos-hdmiddc", .owner = THIS_MODULE, - .of_match_table = of_match_ptr(hdmiddc_match_types), + .of_match_table = hdmiddc_match_types, }, - .id_table = ddc_idtable, .probe = s5p_ddc_probe, .remove = s5p_ddc_remove, .command = NULL, diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c index b8ac06d92fbf..3445a0f3a6b2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c @@ -149,10 +149,8 @@ struct exynos_drm_gem_buf *exynos_drm_init_buf(struct drm_device *dev, DRM_DEBUG_KMS("desired size = 0x%x\n", size); buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); - if (!buffer) { - DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n"); + if (!buffer) return NULL; - } buffer->size = size; return buffer; @@ -161,11 +159,6 @@ struct exynos_drm_gem_buf *exynos_drm_init_buf(struct drm_device *dev, void exynos_drm_fini_buf(struct drm_device *dev, struct exynos_drm_gem_buf *buffer) { - if (!buffer) { - DRM_DEBUG_KMS("buffer is null.\n"); - return; - } - kfree(buffer); buffer = NULL; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 02a8bc5226ca..e082efb2fece 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -17,6 +17,7 @@ #include <drm/exynos_drm.h> #include "exynos_drm_drv.h" #include "exynos_drm_encoder.h" +#include "exynos_drm_connector.h" #define to_exynos_connector(x) container_of(x, struct exynos_drm_connector,\ drm_connector) @@ -28,35 +29,6 @@ struct exynos_drm_connector { uint32_t dpms; }; -/* convert exynos_video_timings to drm_display_mode */ -static inline void -convert_to_display_mode(struct drm_display_mode *mode, - struct exynos_drm_panel_info *panel) -{ - struct fb_videomode *timing = &panel->timing; - - mode->clock = timing->pixclock / 1000; - mode->vrefresh = timing->refresh; - - mode->hdisplay = timing->xres; - mode->hsync_start = mode->hdisplay + timing->right_margin; - mode->hsync_end = mode->hsync_start + timing->hsync_len; - mode->htotal = mode->hsync_end + timing->left_margin; - - mode->vdisplay = timing->yres; - mode->vsync_start = mode->vdisplay + timing->lower_margin; - mode->vsync_end = mode->vsync_start + timing->vsync_len; - mode->vtotal = mode->vsync_end + timing->upper_margin; - mode->width_mm = panel->width_mm; - mode->height_mm = panel->height_mm; - - if (timing->vmode & FB_VMODE_INTERLACED) - mode->flags |= DRM_MODE_FLAG_INTERLACE; - - if (timing->vmode & FB_VMODE_DOUBLE) - mode->flags |= DRM_MODE_FLAG_DBLSCAN; -} - static int exynos_drm_connector_get_modes(struct drm_connector *connector) { struct exynos_drm_connector *exynos_connector = @@ -111,7 +83,9 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) return 0; } - convert_to_display_mode(mode, panel); + drm_display_mode_from_videomode(&panel->vm, mode); + mode->width_mm = panel->width_mm; + mode->height_mm = panel->height_mm; connector->display_info.width_mm = mode->width_mm; connector->display_info.height_mm = mode->height_mm; @@ -278,10 +252,8 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, int err; exynos_connector = kzalloc(sizeof(*exynos_connector), GFP_KERNEL); - if (!exynos_connector) { - DRM_ERROR("failed to allocate connector\n"); + if (!exynos_connector) return NULL; - } connector = &exynos_connector->drm_connector; diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 14f5c1d34028..ebc01503d50e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -15,6 +15,7 @@ #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> +#include "exynos_drm_crtc.h" #include "exynos_drm_drv.h" #include "exynos_drm_encoder.h" #include "exynos_drm_plane.h" @@ -324,10 +325,8 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) struct drm_crtc *crtc; exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL); - if (!exynos_crtc) { - DRM_ERROR("failed to allocate exynos crtc\n"); + if (!exynos_crtc) return -ENOMEM; - } exynos_crtc->pipe = nr; exynos_crtc->dpms = DRM_MODE_DPMS_OFF; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index fd76449cf452..59827cc5e770 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -11,6 +11,7 @@ #include <drm/drmP.h> #include <drm/exynos_drm.h> +#include "exynos_drm_dmabuf.h" #include "exynos_drm_drv.h" #include "exynos_drm_gem.h" @@ -230,7 +231,6 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); if (!buffer) { - DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n"); ret = -ENOMEM; goto err_unmap_attach; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index df81d3c959b4..bb82ef78ca85 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -47,10 +47,8 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) int nr; private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL); - if (!private) { - DRM_ERROR("failed to allocate private\n"); + if (!private) return -ENOMEM; - } INIT_LIST_HEAD(&private->pageflip_event_list); dev->dev_private = (void *)private; diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index a99a033793bc..06f1b2a09da7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -324,10 +324,8 @@ exynos_drm_encoder_create(struct drm_device *dev, return NULL; exynos_encoder = kzalloc(sizeof(*exynos_encoder), GFP_KERNEL); - if (!exynos_encoder) { - DRM_ERROR("failed to allocate encoder\n"); + if (!exynos_encoder) return NULL; - } exynos_encoder->dpms = DRM_MODE_DPMS_OFF; exynos_encoder->manager = manager; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index c2d149f0408a..ea39e0ef2ae4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -156,10 +156,8 @@ exynos_drm_framebuffer_init(struct drm_device *dev, } exynos_fb = kzalloc(sizeof(*exynos_fb), GFP_KERNEL); - if (!exynos_fb) { - DRM_ERROR("failed to allocate exynos drm framebuffer\n"); + if (!exynos_fb) return ERR_PTR(-ENOMEM); - } drm_helper_mode_fill_fb_struct(&exynos_fb->fb, mode_cmd); exynos_fb->exynos_gem_obj[0] = exynos_gem_obj; @@ -220,10 +218,8 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, int i, ret; exynos_fb = kzalloc(sizeof(*exynos_fb), GFP_KERNEL); - if (!exynos_fb) { - DRM_ERROR("failed to allocate exynos drm framebuffer\n"); + if (!exynos_fb) return ERR_PTR(-ENOMEM); - } obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); if (!obj) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 8e60bd61137f..78e868bcf1ec 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -16,9 +16,11 @@ #include <drm/drm_crtc.h> #include <drm/drm_fb_helper.h> #include <drm/drm_crtc_helper.h> +#include <drm/exynos_drm.h> #include "exynos_drm_drv.h" #include "exynos_drm_fb.h" +#include "exynos_drm_fbdev.h" #include "exynos_drm_gem.h" #include "exynos_drm_iommu.h" @@ -165,8 +167,18 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, size = mode_cmd.pitches[0] * mode_cmd.height; - /* 0 means to allocate physically continuous memory */ - exynos_gem_obj = exynos_drm_gem_create(dev, 0, size); + exynos_gem_obj = exynos_drm_gem_create(dev, EXYNOS_BO_CONTIG, size); + /* + * If physically contiguous memory allocation fails and if IOMMU is + * supported then try to get buffer from non physically contiguous + * memory area. + */ + if (IS_ERR(exynos_gem_obj) && is_drm_iommu_supported(dev)) { + dev_warn(&pdev->dev, "contiguous FB allocation failed, falling back to non-contiguous\n"); + exynos_gem_obj = exynos_drm_gem_create(dev, EXYNOS_BO_NONCONTIG, + size); + } + if (IS_ERR(exynos_gem_obj)) { ret = PTR_ERR(exynos_gem_obj); goto err_release_framebuffer; @@ -236,10 +248,8 @@ int exynos_drm_fbdev_init(struct drm_device *dev) return 0; fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); - if (!fbdev) { - DRM_ERROR("failed to allocate drm fbdev.\n"); + if (!fbdev) return -ENOMEM; - } private->fb_helper = helper = &fbdev->drm_fb_helper; helper->funcs = &exynos_drm_fb_helper_funcs; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 6e047bd53e2f..8adfc8f1e08f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -17,10 +17,12 @@ #include <linux/regmap.h> #include <linux/clk.h> #include <linux/pm_runtime.h> +#include <linux/of.h> #include <drm/drmP.h> #include <drm/exynos_drm.h> #include "regs-fimc.h" +#include "exynos_drm_drv.h" #include "exynos_drm_ipp.h" #include "exynos_drm_fimc.h" @@ -1343,10 +1345,8 @@ static int fimc_init_prop_list(struct exynos_drm_ippdrv *ippdrv) struct drm_exynos_ipp_prop_list *prop_list; prop_list = devm_kzalloc(ippdrv->dev, sizeof(*prop_list), GFP_KERNEL); - if (!prop_list) { - DRM_ERROR("failed to alloc property list.\n"); + if (!prop_list) return -ENOMEM; - } prop_list->version = 1; prop_list->writeback = 1; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 1c263dac3c1c..868a14d52995 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -16,10 +16,12 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/of.h> #include <linux/of_device.h> #include <linux/pm_runtime.h> #include <video/of_display_timing.h> +#include <video/of_videomode.h> #include <video/samsung_fimd.h> #include <drm/exynos_drm.h> @@ -35,6 +37,8 @@ * CPU Interface. */ +#define FIMD_DEFAULT_FRAMERATE 60 + /* position control register for hardware window 0, 2 ~ 4.*/ #define VIDOSD_A(win) (VIDOSD_BASE + 0x00 + (win) * 16) #define VIDOSD_B(win) (VIDOSD_BASE + 0x04 + (win) * 16) @@ -65,11 +69,13 @@ struct fimd_driver_data { unsigned int has_shadowcon:1; unsigned int has_clksel:1; + unsigned int has_limited_fmt:1; }; static struct fimd_driver_data s3c64xx_fimd_driver_data = { .timing_base = 0x0, .has_clksel = 1, + .has_limited_fmt = 1, }; static struct fimd_driver_data exynos4_fimd_driver_data = { @@ -90,6 +96,7 @@ struct fimd_win_data { unsigned int fb_width; unsigned int fb_height; unsigned int bpp; + unsigned int pixel_format; dma_addr_t dma_addr; unsigned int buf_offsize; unsigned int line_size; /* bytes */ @@ -115,11 +122,10 @@ struct fimd_context { wait_queue_head_t wait_vsync_queue; atomic_t wait_vsync_event; - struct exynos_drm_panel_info *panel; + struct exynos_drm_panel_info panel; struct fimd_driver_data *driver_data; }; -#ifdef CONFIG_OF static const struct of_device_id fimd_driver_dt_match[] = { { .compatible = "samsung,s3c6400-fimd", .data = &s3c64xx_fimd_driver_data }, @@ -129,21 +135,14 @@ static const struct of_device_id fimd_driver_dt_match[] = { .data = &exynos5_fimd_driver_data }, {}, }; -#endif static inline struct fimd_driver_data *drm_fimd_get_driver_data( struct platform_device *pdev) { -#ifdef CONFIG_OF const struct of_device_id *of_id = of_match_device(fimd_driver_dt_match, &pdev->dev); - if (of_id) - return (struct fimd_driver_data *)of_id->data; -#endif - - return (struct fimd_driver_data *) - platform_get_device_id(pdev)->driver_data; + return (struct fimd_driver_data *)of_id->data; } static bool fimd_display_is_connected(struct device *dev) @@ -157,7 +156,7 @@ static void *fimd_get_panel(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); - return ctx->panel; + return &ctx->panel; } static int fimd_check_mode(struct device *dev, struct drm_display_mode *mode) @@ -237,8 +236,8 @@ static void fimd_apply(struct device *subdrv_dev) static void fimd_commit(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); - struct exynos_drm_panel_info *panel = ctx->panel; - struct fb_videomode *timing = &panel->timing; + struct exynos_drm_panel_info *panel = &ctx->panel; + struct videomode *vm = &panel->vm; struct fimd_driver_data *driver_data; u32 val; @@ -250,22 +249,22 @@ static void fimd_commit(struct device *dev) writel(ctx->vidcon1, ctx->regs + driver_data->timing_base + VIDCON1); /* setup vertical timing values. */ - val = VIDTCON0_VBPD(timing->upper_margin - 1) | - VIDTCON0_VFPD(timing->lower_margin - 1) | - VIDTCON0_VSPW(timing->vsync_len - 1); + val = VIDTCON0_VBPD(vm->vback_porch - 1) | + VIDTCON0_VFPD(vm->vfront_porch - 1) | + VIDTCON0_VSPW(vm->vsync_len - 1); writel(val, ctx->regs + driver_data->timing_base + VIDTCON0); /* setup horizontal timing values. */ - val = VIDTCON1_HBPD(timing->left_margin - 1) | - VIDTCON1_HFPD(timing->right_margin - 1) | - VIDTCON1_HSPW(timing->hsync_len - 1); + val = VIDTCON1_HBPD(vm->hback_porch - 1) | + VIDTCON1_HFPD(vm->hfront_porch - 1) | + VIDTCON1_HSPW(vm->hsync_len - 1); writel(val, ctx->regs + driver_data->timing_base + VIDTCON1); /* setup horizontal and vertical display size. */ - val = VIDTCON2_LINEVAL(timing->yres - 1) | - VIDTCON2_HOZVAL(timing->xres - 1) | - VIDTCON2_LINEVAL_E(timing->yres - 1) | - VIDTCON2_HOZVAL_E(timing->xres - 1); + val = VIDTCON2_LINEVAL(vm->vactive - 1) | + VIDTCON2_HOZVAL(vm->hactive - 1) | + VIDTCON2_LINEVAL_E(vm->vactive - 1) | + VIDTCON2_HOZVAL_E(vm->hactive - 1); writel(val, ctx->regs + driver_data->timing_base + VIDTCON2); /* setup clock source, clock divider, enable dma. */ @@ -396,6 +395,7 @@ static void fimd_win_mode_set(struct device *dev, win_data->fb_height = overlay->fb_height; win_data->dma_addr = overlay->dma_addr[0] + offset; win_data->bpp = overlay->bpp; + win_data->pixel_format = overlay->pixel_format; win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) * (overlay->bpp >> 3); win_data->line_size = overlay->crtc_width * (overlay->bpp >> 3); @@ -417,39 +417,38 @@ static void fimd_win_set_pixfmt(struct device *dev, unsigned int win) val = WINCONx_ENWIN; - switch (win_data->bpp) { - case 1: - val |= WINCON0_BPPMODE_1BPP; - val |= WINCONx_BITSWP; - val |= WINCONx_BURSTLEN_4WORD; - break; - case 2: - val |= WINCON0_BPPMODE_2BPP; - val |= WINCONx_BITSWP; - val |= WINCONx_BURSTLEN_8WORD; - break; - case 4: - val |= WINCON0_BPPMODE_4BPP; - val |= WINCONx_BITSWP; - val |= WINCONx_BURSTLEN_8WORD; - break; - case 8: + /* + * In case of s3c64xx, window 0 doesn't support alpha channel. + * So the request format is ARGB8888 then change it to XRGB8888. + */ + if (ctx->driver_data->has_limited_fmt && !win) { + if (win_data->pixel_format == DRM_FORMAT_ARGB8888) + win_data->pixel_format = DRM_FORMAT_XRGB8888; + } + + switch (win_data->pixel_format) { + case DRM_FORMAT_C8: val |= WINCON0_BPPMODE_8BPP_PALETTE; val |= WINCONx_BURSTLEN_8WORD; val |= WINCONx_BYTSWP; break; - case 16: + case DRM_FORMAT_XRGB1555: + val |= WINCON0_BPPMODE_16BPP_1555; + val |= WINCONx_HAWSWP; + val |= WINCONx_BURSTLEN_16WORD; + break; + case DRM_FORMAT_RGB565: val |= WINCON0_BPPMODE_16BPP_565; val |= WINCONx_HAWSWP; val |= WINCONx_BURSTLEN_16WORD; break; - case 24: + case DRM_FORMAT_XRGB8888: val |= WINCON0_BPPMODE_24BPP_888; val |= WINCONx_WSWP; val |= WINCONx_BURSTLEN_16WORD; break; - case 32: - val |= WINCON1_BPPMODE_28BPP_A4888 + case DRM_FORMAT_ARGB8888: + val |= WINCON1_BPPMODE_25BPP_A1888 | WINCON1_BLD_PIX | WINCON1_ALPHA_SEL; val |= WINCONx_WSWP; val |= WINCONx_BURSTLEN_16WORD; @@ -746,45 +745,54 @@ static void fimd_subdrv_remove(struct drm_device *drm_dev, struct device *dev) drm_iommu_detach_device(drm_dev, dev); } -static int fimd_calc_clkdiv(struct fimd_context *ctx, - struct fb_videomode *timing) +static int fimd_configure_clocks(struct fimd_context *ctx, struct device *dev) { - unsigned long clk = clk_get_rate(ctx->lcd_clk); - u32 retrace; - u32 clkdiv; - u32 best_framerate = 0; - u32 framerate; - - retrace = timing->left_margin + timing->hsync_len + - timing->right_margin + timing->xres; - retrace *= timing->upper_margin + timing->vsync_len + - timing->lower_margin + timing->yres; - - /* default framerate is 60Hz */ - if (!timing->refresh) - timing->refresh = 60; - - clk /= retrace; - - for (clkdiv = 1; clkdiv < 0x100; clkdiv++) { - int tmp; - - /* get best framerate */ - framerate = clk / clkdiv; - tmp = timing->refresh - framerate; - if (tmp < 0) { - best_framerate = framerate; - continue; - } else { - if (!best_framerate) - best_framerate = framerate; - else if (tmp < (best_framerate - framerate)) - best_framerate = framerate; - break; + struct videomode *vm = &ctx->panel.vm; + unsigned long clk; + + ctx->bus_clk = devm_clk_get(dev, "fimd"); + if (IS_ERR(ctx->bus_clk)) { + dev_err(dev, "failed to get bus clock\n"); + return PTR_ERR(ctx->bus_clk); + } + + ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd"); + if (IS_ERR(ctx->lcd_clk)) { + dev_err(dev, "failed to get lcd clock\n"); + return PTR_ERR(ctx->lcd_clk); + } + + clk = clk_get_rate(ctx->lcd_clk); + if (clk == 0) { + dev_err(dev, "error getting sclk_fimd clock rate\n"); + return -EINVAL; + } + + if (vm->pixelclock == 0) { + unsigned long c; + c = vm->hactive + vm->hback_porch + vm->hfront_porch + + vm->hsync_len; + c *= vm->vactive + vm->vback_porch + vm->vfront_porch + + vm->vsync_len; + vm->pixelclock = c * FIMD_DEFAULT_FRAMERATE; + if (vm->pixelclock == 0) { + dev_err(dev, "incorrect display timings\n"); + return -EINVAL; } + dev_warn(dev, "pixel clock recalculated to %luHz (%dHz frame rate)\n", + vm->pixelclock, FIMD_DEFAULT_FRAMERATE); } + ctx->clkdiv = DIV_ROUND_UP(clk, vm->pixelclock); + if (ctx->clkdiv > 256) { + dev_warn(dev, "calculated pixel clock divider too high (%u), lowered to 256\n", + ctx->clkdiv); + ctx->clkdiv = 256; + } + vm->pixelclock = clk / ctx->clkdiv; + DRM_DEBUG_KMS("pixel clock = %lu, clkdiv = %d\n", vm->pixelclock, + ctx->clkdiv); - return clkdiv; + return 0; } static void fimd_clear_win(struct fimd_context *ctx, int win) @@ -876,59 +884,53 @@ static int fimd_activate(struct fimd_context *ctx, bool enable) return 0; } +static int fimd_get_platform_data(struct fimd_context *ctx, struct device *dev) +{ + struct videomode *vm; + int ret; + + vm = &ctx->panel.vm; + ret = of_get_videomode(dev->of_node, vm, OF_USE_NATIVE_MODE); + if (ret) { + DRM_ERROR("failed: of_get_videomode() : %d\n", ret); + return ret; + } + + if (vm->flags & DISPLAY_FLAGS_VSYNC_LOW) + ctx->vidcon1 |= VIDCON1_INV_VSYNC; + if (vm->flags & DISPLAY_FLAGS_HSYNC_LOW) + ctx->vidcon1 |= VIDCON1_INV_HSYNC; + if (vm->flags & DISPLAY_FLAGS_DE_LOW) + ctx->vidcon1 |= VIDCON1_INV_VDEN; + if (vm->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE) + ctx->vidcon1 |= VIDCON1_INV_VCLK; + + return 0; +} + static int fimd_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct fimd_context *ctx; struct exynos_drm_subdrv *subdrv; - struct exynos_drm_fimd_pdata *pdata; - struct exynos_drm_panel_info *panel; struct resource *res; int win; int ret = -EINVAL; - if (dev->of_node) { - pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - DRM_ERROR("memory allocation for pdata failed\n"); - return -ENOMEM; - } - - ret = of_get_fb_videomode(dev->of_node, &pdata->panel.timing, - OF_USE_NATIVE_MODE); - if (ret) { - DRM_ERROR("failed: of_get_fb_videomode() : %d\n", ret); - return ret; - } - } else { - pdata = dev->platform_data; - if (!pdata) { - DRM_ERROR("no platform data specified\n"); - return -EINVAL; - } - } - - panel = &pdata->panel; - if (!panel) { - dev_err(dev, "panel is null.\n"); - return -EINVAL; - } + if (!dev->of_node) + return -ENODEV; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; - ctx->bus_clk = devm_clk_get(dev, "fimd"); - if (IS_ERR(ctx->bus_clk)) { - dev_err(dev, "failed to get bus clock\n"); - return PTR_ERR(ctx->bus_clk); - } + ret = fimd_get_platform_data(ctx, dev); + if (ret) + return ret; - ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd"); - if (IS_ERR(ctx->lcd_clk)) { - dev_err(dev, "failed to get lcd clock\n"); - return PTR_ERR(ctx->lcd_clk); - } + ret = fimd_configure_clocks(ctx, dev); + if (ret) + return ret; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -952,10 +954,6 @@ static int fimd_probe(struct platform_device *pdev) } ctx->driver_data = drm_fimd_get_driver_data(pdev); - ctx->vidcon0 = pdata->vidcon0; - ctx->vidcon1 = pdata->vidcon1; - ctx->default_win = pdata->default_win; - ctx->panel = panel; DRM_INIT_WAITQUEUE(&ctx->wait_vsync_queue); atomic_set(&ctx->wait_vsync_event, 0); @@ -973,12 +971,6 @@ static int fimd_probe(struct platform_device *pdev) pm_runtime_enable(dev); pm_runtime_get_sync(dev); - ctx->clkdiv = fimd_calc_clkdiv(ctx, &panel->timing); - panel->timing.pixclock = clk_get_rate(ctx->lcd_clk) / ctx->clkdiv; - - DRM_DEBUG_KMS("pixel clock = %d, clkdiv = %d\n", - panel->timing.pixclock, ctx->clkdiv); - for (win = 0; win < WINDOWS_NR; win++) fimd_clear_win(ctx, win); @@ -1067,20 +1059,6 @@ static int fimd_runtime_resume(struct device *dev) } #endif -static struct platform_device_id fimd_driver_ids[] = { - { - .name = "s3c64xx-fb", - .driver_data = (unsigned long)&s3c64xx_fimd_driver_data, - }, { - .name = "exynos4-fb", - .driver_data = (unsigned long)&exynos4_fimd_driver_data, - }, { - .name = "exynos5-fb", - .driver_data = (unsigned long)&exynos5_fimd_driver_data, - }, - {}, -}; - static const struct dev_pm_ops fimd_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(fimd_suspend, fimd_resume) SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL) @@ -1089,11 +1067,10 @@ static const struct dev_pm_ops fimd_pm_ops = { struct platform_driver fimd_driver = { .probe = fimd_probe, .remove = fimd_remove, - .id_table = fimd_driver_ids, .driver = { .name = "exynos4-fb", .owner = THIS_MODULE, .pm = &fimd_pm_ops, - .of_match_table = of_match_ptr(fimd_driver_dt_match), + .of_match_table = fimd_driver_dt_match, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index eddea4941483..3271fd4b1724 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -23,6 +23,7 @@ #include <drm/drmP.h> #include <drm/exynos_drm.h> #include "exynos_drm_drv.h" +#include "exynos_drm_g2d.h" #include "exynos_drm_gem.h" #include "exynos_drm_iommu.h" @@ -446,10 +447,8 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, } g2d_userptr = kzalloc(sizeof(*g2d_userptr), GFP_KERNEL); - if (!g2d_userptr) { - DRM_ERROR("failed to allocate g2d_userptr.\n"); + if (!g2d_userptr) return ERR_PTR(-ENOMEM); - } atomic_set(&g2d_userptr->refcount, 1); @@ -499,7 +498,6 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, sgt = kzalloc(sizeof(*sgt), GFP_KERNEL); if (!sgt) { - DRM_ERROR("failed to allocate sg table.\n"); ret = -ENOMEM; goto err_free_userptr; } @@ -808,17 +806,8 @@ static void g2d_dma_start(struct g2d_data *g2d, int ret; ret = pm_runtime_get_sync(g2d->dev); - if (ret < 0) { - dev_warn(g2d->dev, "failed pm power on.\n"); - return; - } - - ret = clk_prepare_enable(g2d->gate_clk); - if (ret < 0) { - dev_warn(g2d->dev, "failed to enable clock.\n"); - pm_runtime_put_sync(g2d->dev); + if (ret < 0) return; - } writel_relaxed(node->dma_addr, g2d->regs + G2D_DMA_SFR_BASE_ADDR); writel_relaxed(G2D_DMA_START, g2d->regs + G2D_DMA_COMMAND); @@ -871,7 +860,6 @@ static void g2d_runqueue_worker(struct work_struct *work) runqueue_work); mutex_lock(&g2d->runqueue_mutex); - clk_disable_unprepare(g2d->gate_clk); pm_runtime_put_sync(g2d->dev); complete(&g2d->runqueue_node->complete); @@ -1096,8 +1084,6 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, e = kzalloc(sizeof(*node->event), GFP_KERNEL); if (!e) { - dev_err(dev, "failed to allocate event\n"); - spin_lock_irqsave(&drm_dev->event_lock, flags); file->event_space += sizeof(e->event); spin_unlock_irqrestore(&drm_dev->event_lock, flags); @@ -1327,10 +1313,8 @@ static int g2d_open(struct drm_device *drm_dev, struct device *dev, struct exynos_drm_g2d_private *g2d_priv; g2d_priv = kzalloc(sizeof(*g2d_priv), GFP_KERNEL); - if (!g2d_priv) { - dev_err(dev, "failed to allocate g2d private data\n"); + if (!g2d_priv) return -ENOMEM; - } g2d_priv->dev = dev; file_priv->g2d_priv = g2d_priv; @@ -1386,10 +1370,8 @@ static int g2d_probe(struct platform_device *pdev) int ret; g2d = devm_kzalloc(dev, sizeof(*g2d), GFP_KERNEL); - if (!g2d) { - dev_err(dev, "failed to allocate driver data\n"); + if (!g2d) return -ENOMEM; - } g2d->runqueue_slab = kmem_cache_create("g2d_runqueue_slab", sizeof(struct g2d_runqueue_node), 0, 0, NULL); @@ -1524,14 +1506,38 @@ static int g2d_resume(struct device *dev) } #endif -static SIMPLE_DEV_PM_OPS(g2d_pm_ops, g2d_suspend, g2d_resume); +#ifdef CONFIG_PM_RUNTIME +static int g2d_runtime_suspend(struct device *dev) +{ + struct g2d_data *g2d = dev_get_drvdata(dev); + + clk_disable_unprepare(g2d->gate_clk); + + return 0; +} + +static int g2d_runtime_resume(struct device *dev) +{ + struct g2d_data *g2d = dev_get_drvdata(dev); + int ret; + + ret = clk_prepare_enable(g2d->gate_clk); + if (ret < 0) + dev_warn(dev, "failed to enable clock.\n"); + + return ret; +} +#endif + +static const struct dev_pm_ops g2d_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(g2d_suspend, g2d_resume) + SET_RUNTIME_PM_OPS(g2d_runtime_suspend, g2d_runtime_resume, NULL) +}; -#ifdef CONFIG_OF static const struct of_device_id exynos_g2d_match[] = { { .compatible = "samsung,exynos5250-g2d" }, {}, }; -#endif struct platform_driver g2d_driver = { .probe = g2d_probe, @@ -1540,6 +1546,6 @@ struct platform_driver g2d_driver = { .name = "s5p-g2d", .owner = THIS_MODULE, .pm = &g2d_pm_ops, - .of_match_table = of_match_ptr(exynos_g2d_match), + .of_match_table = exynos_g2d_match, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index f3c6f40666e1..49f9cd232757 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -18,6 +18,7 @@ #include "exynos_drm_drv.h" #include "exynos_drm_gem.h" #include "exynos_drm_buf.h" +#include "exynos_drm_iommu.h" static unsigned int convert_to_vm_err_msg(int msg) { @@ -191,10 +192,8 @@ struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, int ret; exynos_gem_obj = kzalloc(sizeof(*exynos_gem_obj), GFP_KERNEL); - if (!exynos_gem_obj) { - DRM_ERROR("failed to allocate exynos gem object\n"); + if (!exynos_gem_obj) return NULL; - } exynos_gem_obj->size = size; obj = &exynos_gem_obj->base; @@ -668,6 +667,18 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, exynos_gem_obj = exynos_drm_gem_create(dev, EXYNOS_BO_CONTIG | EXYNOS_BO_WC, args->size); + /* + * If physically contiguous memory allocation fails and if IOMMU is + * supported then try to get buffer from non physically contiguous + * memory area. + */ + if (IS_ERR(exynos_gem_obj) && is_drm_iommu_supported(dev)) { + dev_warn(dev->dev, "contiguous FB allocation failed, falling back to non-contiguous\n"); + exynos_gem_obj = exynos_drm_gem_create(dev, + EXYNOS_BO_NONCONTIG | EXYNOS_BO_WC, + args->size); + } + if (IS_ERR(exynos_gem_obj)) return PTR_ERR(exynos_gem_obj); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 90b8a1a5344c..cd6aebd53bd0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -20,6 +20,7 @@ #include <drm/drmP.h> #include <drm/exynos_drm.h> #include "regs-gsc.h" +#include "exynos_drm_drv.h" #include "exynos_drm_ipp.h" #include "exynos_drm_gsc.h" @@ -1337,10 +1338,8 @@ static int gsc_init_prop_list(struct exynos_drm_ippdrv *ippdrv) struct drm_exynos_ipp_prop_list *prop_list; prop_list = devm_kzalloc(ippdrv->dev, sizeof(*prop_list), GFP_KERNEL); - if (!prop_list) { - DRM_ERROR("failed to alloc property list.\n"); + if (!prop_list) return -ENOMEM; - } prop_list->version = 1; prop_list->writeback = 1; diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index 8d3bc01d6834..8548b974bd59 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -403,10 +403,8 @@ static int exynos_drm_hdmi_probe(struct platform_device *pdev) struct drm_hdmi_context *ctx; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) { - DRM_LOG_KMS("failed to alloc common hdmi context.\n"); + if (!ctx) return -ENOMEM; - } subdrv = &ctx->subdrv; diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/drivers/gpu/drm/exynos/exynos_drm_iommu.c index 3799d5c2b5df..fb8db0378274 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.c @@ -47,10 +47,16 @@ int drm_create_iommu_mapping(struct drm_device *drm_dev) dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms), GFP_KERNEL); + if (!dev->dma_parms) + goto error; + dma_set_max_seg_size(dev, 0xffffffffu); dev->archdata.mapping = mapping; return 0; +error: + arm_iommu_release_mapping(mapping); + return -ENOMEM; } /* @@ -91,6 +97,9 @@ int drm_iommu_attach_device(struct drm_device *drm_dev, subdrv_dev->dma_parms = devm_kzalloc(subdrv_dev, sizeof(*subdrv_dev->dma_parms), GFP_KERNEL); + if (!subdrv_dev->dma_parms) + return -ENOMEM; + dma_set_max_seg_size(subdrv_dev, 0xffffffffu); ret = arm_iommu_attach_device(subdrv_dev, dev->archdata.mapping); diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index d2b6ab4def93..824e0705c8d3 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -408,10 +408,8 @@ static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void) struct drm_exynos_ipp_cmd_work *cmd_work; cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL); - if (!cmd_work) { - DRM_ERROR("failed to alloc cmd_work.\n"); + if (!cmd_work) return ERR_PTR(-ENOMEM); - } INIT_WORK((struct work_struct *)cmd_work, ipp_sched_cmd); @@ -423,10 +421,8 @@ static struct drm_exynos_ipp_event_work *ipp_create_event_work(void) struct drm_exynos_ipp_event_work *event_work; event_work = kzalloc(sizeof(*event_work), GFP_KERNEL); - if (!event_work) { - DRM_ERROR("failed to alloc event_work.\n"); + if (!event_work) return ERR_PTR(-ENOMEM); - } INIT_WORK((struct work_struct *)event_work, ipp_sched_event); @@ -482,10 +478,8 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, /* allocate command node */ c_node = kzalloc(sizeof(*c_node), GFP_KERNEL); - if (!c_node) { - DRM_ERROR("failed to allocate map node.\n"); + if (!c_node) return -ENOMEM; - } /* create property id */ ret = ipp_create_id(&ctx->prop_idr, &ctx->prop_lock, c_node, @@ -694,10 +688,8 @@ static struct drm_exynos_ipp_mem_node mutex_lock(&c_node->mem_lock); m_node = kzalloc(sizeof(*m_node), GFP_KERNEL); - if (!m_node) { - DRM_ERROR("failed to allocate queue node.\n"); + if (!m_node) goto err_unlock; - } /* clear base address for error handling */ memset(&buf_info, 0x0, sizeof(buf_info)); @@ -798,9 +790,7 @@ static int ipp_get_event(struct drm_device *drm_dev, DRM_DEBUG_KMS("ops_id[%d]buf_id[%d]\n", qbuf->ops_id, qbuf->buf_id); e = kzalloc(sizeof(*e), GFP_KERNEL); - if (!e) { - DRM_ERROR("failed to allocate event.\n"); spin_lock_irqsave(&drm_dev->event_lock, flags); file->event_space += sizeof(e->event); spin_unlock_irqrestore(&drm_dev->event_lock, flags); @@ -1780,10 +1770,8 @@ static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, struct exynos_drm_ipp_private *priv; priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { - DRM_ERROR("failed to allocate priv.\n"); + if (!priv) return -ENOMEM; - } priv->dev = dev; file_priv->ipp_priv = priv; diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 6ee55e68e0a2..fcb0652e77d0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -16,6 +16,7 @@ #include "exynos_drm_encoder.h" #include "exynos_drm_fb.h" #include "exynos_drm_gem.h" +#include "exynos_drm_plane.h" #define to_exynos_plane(x) container_of(x, struct exynos_plane, base) @@ -264,10 +265,8 @@ struct drm_plane *exynos_plane_init(struct drm_device *dev, int err; exynos_plane = kzalloc(sizeof(struct exynos_plane), GFP_KERNEL); - if (!exynos_plane) { - DRM_ERROR("failed to allocate plane\n"); + if (!exynos_plane) return NULL; - } err = drm_plane_init(dev, &exynos_plane->base, possible_crtcs, &exynos_plane_funcs, formats, ARRAY_SIZE(formats), diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index 49669aa24c45..7b901688defa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -21,6 +21,7 @@ #include <drm/exynos_drm.h> #include "regs-rotator.h" #include "exynos_drm.h" +#include "exynos_drm_drv.h" #include "exynos_drm_ipp.h" /* @@ -471,10 +472,8 @@ static int rotator_init_prop_list(struct exynos_drm_ippdrv *ippdrv) struct drm_exynos_ipp_prop_list *prop_list; prop_list = devm_kzalloc(ippdrv->dev, sizeof(*prop_list), GFP_KERNEL); - if (!prop_list) { - DRM_ERROR("failed to alloc property list.\n"); + if (!prop_list) return -ENOMEM; - } prop_list->version = 1; prop_list->flip = (1 << EXYNOS_DRM_FLIP_VERTICAL) | @@ -631,21 +630,96 @@ static int rotator_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd) return 0; } +static struct rot_limit_table rot_limit_tbl_4210 = { + .ycbcr420_2p = { + .min_w = 32, + .min_h = 32, + .max_w = SZ_64K, + .max_h = SZ_64K, + .align = 3, + }, + .rgb888 = { + .min_w = 8, + .min_h = 8, + .max_w = SZ_16K, + .max_h = SZ_16K, + .align = 2, + }, +}; + +static struct rot_limit_table rot_limit_tbl_4x12 = { + .ycbcr420_2p = { + .min_w = 32, + .min_h = 32, + .max_w = SZ_32K, + .max_h = SZ_32K, + .align = 3, + }, + .rgb888 = { + .min_w = 8, + .min_h = 8, + .max_w = SZ_8K, + .max_h = SZ_8K, + .align = 2, + }, +}; + +static struct rot_limit_table rot_limit_tbl_5250 = { + .ycbcr420_2p = { + .min_w = 32, + .min_h = 32, + .max_w = SZ_32K, + .max_h = SZ_32K, + .align = 3, + }, + .rgb888 = { + .min_w = 8, + .min_h = 8, + .max_w = SZ_8K, + .max_h = SZ_8K, + .align = 1, + }, +}; + +static const struct of_device_id exynos_rotator_match[] = { + { + .compatible = "samsung,exynos4210-rotator", + .data = &rot_limit_tbl_4210, + }, + { + .compatible = "samsung,exynos4212-rotator", + .data = &rot_limit_tbl_4x12, + }, + { + .compatible = "samsung,exynos5250-rotator", + .data = &rot_limit_tbl_5250, + }, + {}, +}; + static int rotator_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct rot_context *rot; struct exynos_drm_ippdrv *ippdrv; + const struct of_device_id *match; int ret; + if (!dev->of_node) { + dev_err(dev, "cannot find of_node.\n"); + return -ENODEV; + } + rot = devm_kzalloc(dev, sizeof(*rot), GFP_KERNEL); - if (!rot) { - dev_err(dev, "failed to allocate rot\n"); + if (!rot) return -ENOMEM; - } - rot->limit_tbl = (struct rot_limit_table *) - platform_get_device_id(pdev)->driver_data; + match = of_match_node(exynos_rotator_match, dev->of_node); + if (!match) { + dev_err(dev, "failed to match node\n"); + return -ENODEV; + } + rot->limit_tbl = (struct rot_limit_table *)match->data; rot->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); rot->regs = devm_ioremap_resource(dev, rot->regs_res); @@ -717,31 +791,6 @@ static int rotator_remove(struct platform_device *pdev) return 0; } -static struct rot_limit_table rot_limit_tbl = { - .ycbcr420_2p = { - .min_w = 32, - .min_h = 32, - .max_w = SZ_32K, - .max_h = SZ_32K, - .align = 3, - }, - .rgb888 = { - .min_w = 8, - .min_h = 8, - .max_w = SZ_8K, - .max_h = SZ_8K, - .align = 2, - }, -}; - -static struct platform_device_id rotator_driver_ids[] = { - { - .name = "exynos-rot", - .driver_data = (unsigned long)&rot_limit_tbl, - }, - {}, -}; - static int rotator_clk_crtl(struct rot_context *rot, bool enable) { if (enable) { @@ -803,10 +852,10 @@ static const struct dev_pm_ops rotator_pm_ops = { struct platform_driver rotator_driver = { .probe = rotator_probe, .remove = rotator_remove, - .id_table = rotator_driver_ids, .driver = { .name = "exynos-rot", .owner = THIS_MODULE, .pm = &rotator_pm_ops, + .of_match_table = exynos_rotator_match, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index c57c56519add..4400330e4449 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -23,6 +23,7 @@ #include "exynos_drm_drv.h" #include "exynos_drm_crtc.h" #include "exynos_drm_encoder.h" +#include "exynos_drm_vidi.h" /* vidi has totally three virtual windows. */ #define WINDOWS_NR 3 diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 2f5c6942c968..a0e10aeb0e67 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -32,6 +32,7 @@ #include <linux/clk.h> #include <linux/regulator/consumer.h> #include <linux/io.h> +#include <linux/of.h> #include <linux/of_gpio.h> #include <drm/exynos_drm.h> @@ -1824,10 +1825,8 @@ static int hdmi_resources_init(struct hdmi_context *hdata) res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) * sizeof(res->regul_bulk[0]), GFP_KERNEL); - if (!res->regul_bulk) { - DRM_ERROR("failed to get memory for regulators\n"); + if (!res->regul_bulk) goto fail; - } for (i = 0; i < ARRAY_SIZE(supply); ++i) { res->regul_bulk[i].supply = supply[i]; res->regul_bulk[i].consumer = NULL; @@ -1859,7 +1858,6 @@ void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy) hdmi_hdmiphy = hdmiphy; } -#ifdef CONFIG_OF static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata (struct device *dev) { @@ -1868,10 +1866,8 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata u32 value; pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); - if (!pd) { - DRM_ERROR("memory allocation for pdata failed\n"); + if (!pd) goto err_data; - } if (!of_find_property(np, "hpd-gpio", &value)) { DRM_ERROR("no hpd gpio property found\n"); @@ -1885,33 +1881,7 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata err_data: return NULL; } -#else -static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata - (struct device *dev) -{ - return NULL; -} -#endif - -static struct platform_device_id hdmi_driver_types[] = { - { - .name = "s5pv210-hdmi", - .driver_data = HDMI_TYPE13, - }, { - .name = "exynos4-hdmi", - .driver_data = HDMI_TYPE13, - }, { - .name = "exynos4-hdmi14", - .driver_data = HDMI_TYPE14, - }, { - .name = "exynos5-hdmi", - .driver_data = HDMI_TYPE14, - }, { - /* end node */ - } -}; -#ifdef CONFIG_OF static struct of_device_id hdmi_match_types[] = { { .compatible = "samsung,exynos5-hdmi", @@ -1923,7 +1893,6 @@ static struct of_device_id hdmi_match_types[] = { /* end node */ } }; -#endif static int hdmi_probe(struct platform_device *pdev) { @@ -1932,36 +1901,23 @@ static int hdmi_probe(struct platform_device *pdev) struct hdmi_context *hdata; struct s5p_hdmi_platform_data *pdata; struct resource *res; + const struct of_device_id *match; int ret; - if (dev->of_node) { - pdata = drm_hdmi_dt_parse_pdata(dev); - if (IS_ERR(pdata)) { - DRM_ERROR("failed to parse dt\n"); - return PTR_ERR(pdata); - } - } else { - pdata = dev->platform_data; - } + if (!dev->of_node) + return -ENODEV; - if (!pdata) { - DRM_ERROR("no platform data specified\n"); + pdata = drm_hdmi_dt_parse_pdata(dev); + if (!pdata) return -EINVAL; - } - drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), - GFP_KERNEL); - if (!drm_hdmi_ctx) { - DRM_ERROR("failed to allocate common hdmi context.\n"); + drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL); + if (!drm_hdmi_ctx) return -ENOMEM; - } - hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), - GFP_KERNEL); - if (!hdata) { - DRM_ERROR("out of memory\n"); + hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); + if (!hdata) return -ENOMEM; - } mutex_init(&hdata->hdmi_mutex); @@ -1970,23 +1926,15 @@ static int hdmi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, drm_hdmi_ctx); - if (dev->of_node) { - const struct of_device_id *match; - match = of_match_node(of_match_ptr(hdmi_match_types), - dev->of_node); - if (match == NULL) - return -ENODEV; - hdata->type = (enum hdmi_type)match->data; - } else { - hdata->type = (enum hdmi_type)platform_get_device_id - (pdev)->driver_data; - } + match = of_match_node(hdmi_match_types, dev->of_node); + if (!match) + return -ENODEV; + hdata->type = (enum hdmi_type)match->data; hdata->hpd_gpio = pdata->hpd_gpio; hdata->dev = dev; ret = hdmi_resources_init(hdata); - if (ret) { DRM_ERROR("hdmi_resources_init failed\n"); return -EINVAL; @@ -2141,11 +2089,10 @@ static const struct dev_pm_ops hdmi_pm_ops = { struct platform_driver hdmi_driver = { .probe = hdmi_probe, .remove = hdmi_remove, - .id_table = hdmi_driver_types, .driver = { .name = "exynos-hdmi", .owner = THIS_MODULE, .pm = &hdmi_pm_ops, - .of_match_table = of_match_ptr(hdmi_match_types), + .of_match_table = hdmi_match_types, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_hdmiphy.c b/drivers/gpu/drm/exynos/exynos_hdmiphy.c index 6e320ae9afed..59abb1494ceb 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmiphy.c +++ b/drivers/gpu/drm/exynos/exynos_hdmiphy.c @@ -15,6 +15,7 @@ #include <linux/kernel.h> #include <linux/i2c.h> +#include <linux/of.h> #include "exynos_drm_drv.h" #include "exynos_hdmi.h" @@ -39,13 +40,6 @@ static int hdmiphy_remove(struct i2c_client *client) return 0; } -static const struct i2c_device_id hdmiphy_id[] = { - { "s5p_hdmiphy", 0 }, - { "exynos5-hdmiphy", 0 }, - { }, -}; - -#ifdef CONFIG_OF static struct of_device_id hdmiphy_match_types[] = { { .compatible = "samsung,exynos5-hdmiphy", @@ -57,15 +51,13 @@ static struct of_device_id hdmiphy_match_types[] = { /* end node */ } }; -#endif struct i2c_driver hdmiphy_driver = { .driver = { .name = "exynos-hdmiphy", .owner = THIS_MODULE, - .of_match_table = of_match_ptr(hdmiphy_match_types), + .of_match_table = hdmiphy_match_types, }, - .id_table = hdmiphy_id, .probe = hdmiphy_probe, .remove = hdmiphy_remove, .command = NULL, diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index c9a137caea41..63bc5f92fbb3 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -30,6 +30,7 @@ #include <linux/pm_runtime.h> #include <linux/clk.h> #include <linux/regulator/consumer.h> +#include <linux/of.h> #include <drm/exynos_drm.h> @@ -1185,16 +1186,12 @@ static int mixer_probe(struct platform_device *pdev) drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL); - if (!drm_hdmi_ctx) { - DRM_ERROR("failed to allocate common hdmi context.\n"); + if (!drm_hdmi_ctx) return -ENOMEM; - } ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) { - DRM_ERROR("failed to alloc mixer context.\n"); + if (!ctx) return -ENOMEM; - } mutex_init(&ctx->mixer_mutex); |
