diff options
| -rw-r--r-- | drivers/gpu/drm/Makefile | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 697 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fb.c | 737 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fb.c | 670 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_mode.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_crtc.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_fb_helper.h | 82 |
11 files changed, 907 insertions, 1309 deletions
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 5f0aec4f082a..99071684de25 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -11,7 +11,8 @@ drm-y := drm_auth.o drm_bufs.o drm_cache.o \ drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \ drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \ drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o \ - drm_info.o drm_debugfs.o drm_encoder_slave.o + drm_info.o drm_debugfs.o drm_encoder_slave.o \ + drm_fb_helper.o drm-$(CONFIG_COMPAT) += drm_ioc32.o diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c new file mode 100644 index 000000000000..d6ffea74a502 --- /dev/null +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -0,0 +1,697 @@ +/* + * Copyright (c) 2006-2009 Red Hat Inc. + * Copyright (c) 2006-2008 Intel Corporation + * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> + * + * DRM framebuffer helper functions + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + * + * Authors: + * Dave Airlie <airlied@linux.ie> + * Jesse Barnes <jesse.barnes@intel.com> + */ +#include <linux/sysrq.h> +#include <linux/fb.h> +#include "drmP.h" +#include "drm_crtc.h" +#include "drm_fb_helper.h" +#include "drm_crtc_helper.h" + +static LIST_HEAD(kernel_fb_helper_list); + +bool drm_fb_helper_force_kernel_mode(void) +{ + int i = 0; + bool ret, error = false; + struct drm_fb_helper *helper; + + if (list_empty(&kernel_fb_helper_list)) + return false; + + list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) { + for (i = 0; i < helper->crtc_count; i++) { + struct drm_mode_set *mode_set = &helper->crtc_info[i].mode_set; + ret = drm_crtc_helper_set_config(mode_set); + if (ret) + error = true; + } + } + return error; +} + +int drm_fb_helper_panic(struct notifier_block *n, unsigned long ununsed, + void *panic_str) +{ + DRM_ERROR("panic occurred, switching back to text console\n"); + return drm_fb_helper_force_kernel_mode(); + return 0; +} +EXPORT_SYMBOL(drm_fb_helper_panic); + +static struct notifier_block paniced = { + .notifier_call = drm_fb_helper_panic, +}; + +/** + * drm_fb_helper_restore - restore the framebuffer console (kernel) config + * + * Restore's the kernel's fbcon mode, used for lastclose & panic paths. + */ +void drm_fb_helper_restore(void) +{ + bool ret; + ret = drm_fb_helper_force_kernel_mode(); + if (ret == true) + DRM_ERROR("Failed to restore crtc configuration\n"); +} +EXPORT_SYMBOL(drm_fb_helper_restore); + +static void drm_fb_helper_restore_work_fn(struct work_struct *ignored) +{ + drm_fb_helper_restore(); +} +static DECLARE_WORK(drm_fb_helper_restore_work, drm_fb_helper_restore_work_fn); + +static void drm_fb_helper_sysrq(int dummy1, struct tty_struct *dummy3) +{ + schedule_work(&drm_fb_helper_restore_work); +} + +static struct sysrq_key_op sysrq_drm_fb_helper_restore_op = { + .handler = drm_fb_helper_sysrq, + .help_msg = "force-fb(V)", + .action_msg = "Restore framebuffer console", +}; + +static void drm_fb_helper_on(struct fb_info *info) +{ + struct drm_fb_helper *fb_helper = info->par; + struct drm_device *dev = fb_helper->dev; + struct drm_crtc *crtc; + struct drm_encoder *encoder; + int i; + + /* + * For each CRTC in this fb, turn the crtc on then, + * find all associated encoders and turn them on. + */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + + for (i = 0; i < fb_helper->crtc_count; i++) { + if (crtc->base.id == fb_helper->crtc_info[i].crtc_id) + break; + } + + mutex_lock(&dev->mode_config.mutex); + crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); + mutex_unlock(&dev->mode_config.mutex); + + /* Found a CRTC on this fb, now find encoders */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (encoder->crtc == crtc) { + struct drm_encoder_helper_funcs *encoder_funcs; + + encoder_funcs = encoder->helper_private; + mutex_lock(&dev->mode_config.mutex); + encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); + mutex_unlock(&dev->mode_config.mutex); + } + } + } +} + +static void drm_fb_helper_off(struct fb_info *info, int dpms_mode) +{ + struct drm_fb_helper *fb_helper = info->par; + struct drm_device *dev = fb_helper->dev; + struct drm_crtc *crtc; + struct drm_encoder *encoder; + int i; + + /* + * For each CRTC in this fb, find all associated encoders + * and turn them off, then turn off the CRTC. + */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + + for (i = 0; i < fb_helper->crtc_count; i++) { + if (crtc->base.id == fb_helper->crtc_info[i].crtc_id) + break; + } + + /* Found a CRTC on this fb, now find encoders */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (encoder->crtc == crtc) { + struct drm_encoder_helper_funcs *encoder_funcs; + + encoder_funcs = encoder->helper_private; + mutex_lock(&dev->mode_config.mutex); + encoder_funcs->dpms(encoder, dpms_mode); + mutex_unlock(&dev->mode_config.mutex); + } + } + if (dpms_mode == DRM_MODE_DPMS_OFF) { + mutex_lock(&dev->mode_config.mutex); + crtc_funcs->dpms(crtc, dpms_mode); + mutex_unlock(&dev->mode_config.mutex); + } + } +} + +int drm_fb_helper_blank(int blank, struct fb_info *info) +{ + switch (blank) { + case FB_BLANK_UNBLANK: + drm_fb_helper_on(info); + break; + case FB_BLANK_NORMAL: + drm_fb_helper_off(info, DRM_MODE_DPMS_STANDBY); + break; + case FB_BLANK_HSYNC_SUSPEND: + drm_fb_helper_off(info, DRM_MODE_DPMS_STANDBY); + break; + case FB_BLANK_VSYNC_SUSPEND: + drm_fb_helper_off(info, DRM_MODE_DPMS_SUSPEND); + break; + case FB_BLANK_POWERDOWN: + drm_fb_helper_off(info, DRM_MODE_DPMS_OFF); + break; + } + return 0; +} +EXPORT_SYMBOL(drm_fb_helper_blank); + +static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper) +{ + int i; + + for (i = 0; i < helper->crtc_count; i++) + kfree(helper->crtc_info[i].mode_set.connectors); + kfree(helper->crtc_info); +} + +int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count, int max_conn_count) +{ + struct drm_device *dev = helper->dev; + struct drm_crtc *crtc; + int ret = 0; + int i; + + helper->crtc_info = kcalloc(crtc_count, sizeof(struct drm_fb_helper_crtc), GFP_KERNEL); + if (!helper->crtc_info) + return -ENOMEM; + + helper->crtc_count = crtc_count; + + for (i = 0; i < crtc_count; i++) { + helper->crtc_info[i].mode_set.connectors = + kcalloc(max_conn_count, + sizeof(struct drm_connector *), + GFP_KERNEL); + + if (!helper->crtc_info[i].mode_set.connectors) { + ret = -ENOMEM; + goto out_free; + } + helper->crtc_info[i].mode_set.num_connectors = 0; + } + + i = 0; + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + helper->crtc_info[i].crtc_id = crtc->base.id; + helper->crtc_info[i].mode_set.crtc = crtc; + i++; + } + helper->conn_limit = max_conn_count; + return 0; +out_free: + drm_fb_helper_crtc_free(helper); + return -ENOMEM; +} +EXPORT_SYMBOL(drm_fb_helper_init_crtc_count); + +int drm_fb_helper_setcolreg(unsigned regno, + unsigned red, + unsigned green, + unsigned blue, + unsigned transp, + struct fb_info *info) +{ + struct drm_fb_helper *fb_helper = info->par; + struct drm_device *dev = fb_helper->dev; + struct drm_crtc *crtc; + int i; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct drm_framebuffer *fb = fb_helper->fb; + + for (i = 0; i < fb_helper->crtc_count; i++) { + if (crtc->base.id == fb_helper->crtc_info[i].crtc_id) + break; + } + if (i == fb_helper->crtc_count) + continue; + + if (regno > 255) + return 1; + + if (fb->depth == 8) { + fb_helper->funcs->gamma_set(crtc, red, green, blue, regno); + return 0; + } + + if (regno < 16) { + switch (fb->depth) { + case 15: + fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) | + ((green & 0xf800) >> 6) | + ((blue & 0xf800) >> 11); + break; + case 16: + fb->pseudo_palette[regno] = (red & 0xf800) | + ((green & 0xfc00) >> 5) | + ((blue & 0xf800) >> 11); + break; + case 24: + case 32: + fb->pseudo_palette[regno] = + (((red >> 8) & 0xff) << info->var.red.offset) | + (((green >> 8) & 0xff) << info->var.green.offset) | + (((blue >> 8) & 0xff) << info->var.blue.offset); + break; + } + } + } + return 0; +} +EXPORT_SYMBOL(drm_fb_helper_setcolreg); + +int drm_fb_helper_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct drm_fb_helper *fb_helper = info->par; + struct drm_framebuffer *fb = fb_helper->fb; + int depth; + + if (var->pixclock == -1 || !var->pixclock) + return -EINVAL; + + /* Need to resize the fb object !!! */ + if (var->xres > fb->width || var->yres > fb->height) { + DRM_ERROR("Requested width/height is greater than current fb " + "object %dx%d > %dx%d\n", var->xres, var->yres, + fb->width, fb->height); + DRM_ERROR("Need resizing code.\n"); + return -EINVAL; + } + + switch (var->bits_per_pixel) { + case 16: + depth = (var->green.length == 6) ? 16 : 15; + break; + case 32: + depth = (var->transp.length > 0) ? 32 : 24; + break; + default: + depth = var->bits_per_pixel; + break; + } + + switch (depth) { + case 8: + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 15: + var->red.offset = 10; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 5; + var->blue.length = 5; + var->transp.length = 1; + var->transp.offset = 15; + break; + case 16: + var->red.offset = 11; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 6; + var->blue.length = 5; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 24: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 32: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 8; + var->transp.offset = 24; + break; + default: + return -EINVAL; + } + return 0; +} +EXPORT_SYMBOL(drm_fb_helper_check_var); + +/* this will let fbcon do the mode init */ +int drm_fb_helper_set_par(struct fb_info *info) +{ + struct drm_fb_helper *fb_helper = info->par; + struct drm_device *dev = fb_helper->dev; + struct fb_var_screeninfo *var = &info->var; + struct drm_crtc *crtc; + int ret; + int i; + + if (var->pixclock != -1) { + DRM_ERROR("PIXEL CLCOK SET\n"); + return -EINVAL; + } + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + + for (i = 0; i < fb_helper->crtc_count; i++) { + if (crtc->base.id == fb_helper->crtc_info[i].crtc_id) + break; + } + if (i == fb_helper->crtc_count) + continue; + + if (crtc->fb == fb_helper->crtc_info[i].mode_set.fb) { + mutex_lock(&dev->mode_config.mutex); + ret = crtc->funcs->set_config(&fb_helper->crtc_info->mode_set); + mutex_unlock(&dev->mode_config.mutex); + if (ret) + return ret; + } + } + return 0; +} +EXPORT_SYMBOL(drm_fb_helper_set_par); + +int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct drm_fb_helper *fb_helper = info->par; + struct drm_device *dev = fb_helper->dev; + struct drm_mode_set *modeset; + struct drm_crtc *crtc; + int ret = 0; + int i; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + for (i = 0; i < fb_helper->crtc_count; i++) { + if (crtc->base.id == fb_helper->crtc_info[i].crtc_id) + break; + } + + if (i == fb_helper->crtc_count) + continue; + + modeset = &fb_helper->crtc_info[i].mode_set; + + modeset->x = var->xoffset; + modeset->y = var->yoffset; + + if (modeset->num_connectors) { + mutex_lock(&dev->mode_config.mutex); + ret = crtc->funcs->set_config(modeset); + mutex_unlock(&dev->mode_config.mutex); + if (!ret) { + info->var.xoffset = var->xoffset; + info->var.yoffset = var->yoffset; + } + } + } + return ret; +} +EXPORT_SYMBOL(drm_fb_helper_pan_display); + +int drm_fb_helper_single_fb_probe(struct drm_device *dev, + int (*fb_create)(struct drm_device *dev, + uint32_t fb_width, + uint32_t fb_height, + uint32_t surface_width, + uint32_t surface_height, + struct drm_framebuffer **fb_ptr)) +{ + struct drm_crtc *crtc; + struct drm_connector *connector; + unsigned int fb_width = (unsigned)-1, fb_height = (unsigned)-1; + unsigned int surface_width = 0, surface_height = 0; + int new_fb = 0; + int crtc_count = 0; + int ret, i, conn_count = 0; + struct fb_info *info; + struct drm_framebuffer *fb; + struct drm_mode_set *modeset = NULL; + struct drm_fb_helper *fb_helper; + + /* first up get a count of crtcs now in use and new min/maxes width/heights */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + if (drm_helper_crtc_in_use(crtc)) { + if (crtc->desired_mode) { + if (crtc->desired_mode->hdisplay < fb_width) + fb_width = crtc->desired_mode->hdisplay; + + if (crtc->desired_mode->vdisplay < fb_height) + fb_height = crtc->desired_mode->vdisplay; + + if (crtc->desired_mode->hdisplay > surface_width) + surface_width = crtc->desired_mode->hdisplay; + + if (crtc->desired_mode->vdisplay > surface_height) + surface_height = crtc->desired_mode->vdisplay; + } + crtc_count++; + } + } + + if (crtc_count == 0 || fb_width == -1 || fb_height == -1) { + /* hmm everyone went away - assume VGA cable just fell out + and will come back later. */ + return 0; + } + + /* do we have an fb already? */ + if (list_empty(&dev->mode_config.fb_kernel_list)) { + ret = (*fb_create)(dev, fb_width, fb_height, surface_width, + surface_height, &fb); + if (ret) + return -EINVAL; + new_fb = 1; + } else { + fb = list_first_entry(&dev->mode_config.fb_kernel_list, + struct drm_framebuffer, filp_head); + + /* if someone hotplugs something bigger than we have already allocated, we are pwned. + As really we can't resize an fbdev that is in the wild currently due to fbdev + not really being designed for the lower layers moving stuff around under it. + - so in the grand style of things - punt. */ + if ((fb->width < surface_width) || + (fb->height < surface_height)) { + DRM_ERROR("Framebuffer not large enough to scale console onto.\n"); + return -EINVAL; + } + } + + info = fb->fbdev; + fb_helper = info->par; + + crtc_count = 0; + /* okay we need to setup new connector sets in the crtcs */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + modeset = &fb_helper->crtc_info[crtc_count].mode_set; + modeset->fb = fb; + conn_count = 0; + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + if (connector->encoder) + if (connector->encoder->crtc == modeset->crtc) { + modeset->connectors[conn_count] = connector; + conn_count++; + if (conn_count > fb_helper->conn_limit) + BUG(); + } + } + + for (i = conn_count; i < fb_helper->conn_limit; i++) + modeset->connectors[i] = NULL; + + modeset->crtc = crtc; + crtc_count++; + + modeset->num_connectors = conn_count; + if (modeset->crtc->desired_mode) { + if (modeset->mode) + drm_mode_destroy(dev, modeset->mode); + modeset->mode = drm_mode_duplicate(dev, + modeset->crtc->desired_mode); + } + } + fb_helper->crtc_count = crtc_count; + fb_helper->fb = fb; + + if (new_fb) { + info->var.pixclock = -1; + if (register_framebuffer(info) < 0) + return -EINVAL; + } else { + drm_fb_helper_set_par(info); + } + printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, + info->fix.id); + + /* Switch back to kernel console on panic */ + /* multi card linked list maybe */ + if (list_empty(&kernel_fb_helper_list)) { + printk(KERN_INFO "registered panic notifier\n"); + atomic_notifier_chain_register(&panic_notifier_list, + &paniced); + register_sysrq_key('v', &sysrq_drm_fb_helper_restore_op); + } + list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list); + return 0; +} +EXPORT_SYMBOL(drm_fb_helper_single_fb_probe); + +void drm_fb_helper_free(struct drm_fb_helper *helper) +{ + list_del(&helper->kernel_fb_list); + if (list_empty(&kernel_fb_helper_list)) { + printk(KERN_INFO "unregistered panic notifier\n"); + atomic_notifier_chain_unregister(&panic_notifier_list, + &paniced); + unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op); + } + drm_fb_helper_crtc_free(helper); +} +EXPORT_SYMBOL(drm_fb_helper_free); + +void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch) +{ + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_TRUECOLOR; + info->fix.type_aux = 0; + info->fix.xpanstep = 1; /* doing it in hw */ + info->fix.ypanstep = 1; /* doing it in hw */ + info->fix.ywrapstep = 0; + info->fix.accel = FB_ACCEL_I830; + info->fix.type_aux = 0; + + info->fix.line_length = pitch; + return; +} +EXPORT_SYMBOL(drm_fb_helper_fill_fix); + +void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb, + uint32_t fb_width, uint32_t fb_height) +{ + info->pseudo_palette = fb->pseudo_palette; + info->var.xres_virtual = fb->width; + info->var.yres_virtual = fb->height; + info->var.bits_per_pixel = fb->bits_per_pixel; + info->var.xoffset = 0; + info->var.yoffset = 0; + info->var.activate = FB_ACTIVATE_NOW; + info->var.height = -1; + info->var.width = -1; + + switch (fb->depth) { + case 8: + info->var.red.offset = 0; + info->var.green.offset = 0; + info->var.blue.offset = 0; + info->var.red.length = 8; /* 8bit DAC */ + info->var.green.length = 8; + info->var.blue.length = 8; + info->var.transp.offset = 0; + info->var.transp.length = 0; + break; + case 15: + info->var.red.offset = 10; + info->var.green.offset = 5; + info->var.blue.offset = 0; + info->var.red.length = 5; + info->var.green.length = 5; + info->var.blue.length = 5; + info->var.transp.offset = 15; + info->var.transp.length = 1; + break; + case 16: + info->var.red.offset = 11; + info->var.green.offset = 5; + info->var.blue.offset = 0; + info->var.red.length = 5; + info->var.green.length = 6; + info->var.blue.length = 5; + info->var.transp.offset = 0; + break; + case 24: + info->var.red.offset = 16; + info->var.green.offset = 8; + info->var.blue.offset = 0; + info->var.red.length = 8; + info->var.green.length = 8; + info->var.blue.length = 8; + info->var.transp.offset = 0; + info->var.transp.length = 0; + break; + case 32: + info->var.red.offset = 16; + info->var.green.offset = 8; + info->var.blue.offset = 0; + info->var.red.length = 8; + info->var.green.length = 8; + info->var.blue.length = 8; + info->var.transp.offset = 24; + info->var.transp.length = 8; + break; + default: + break; + } + + info->var.xres = fb_width; + info->var.yres = fb_height; +} +EXPORT_SYMBOL(drm_fb_helper_fill_var); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 544d889b9b16..c628c3671394 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -29,6 +29,7 @@ #include "drmP.h" #include "drm.h" #include "drm_crtc_helper.h" +#include "drm_fb_helper.h" #include "intel_drv.h" #include "i915_drm.h" #include "i915_drv.h" @@ -1347,7 +1348,7 @@ void i915_driver_lastclose(struct drm_device * dev) drm_i915_private_t *dev_priv = dev->dev_private; if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) { - intelfb_restore(); + drm_fb_helper_restore(); return; } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d6fce2133413..5fb7a4f4a427 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3060,8 +3060,6 @@ static void intel_crtc_destroy(struct drm_crtc *crtc) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - if (intel_crtc->mode_set.mode) - drm_mode_destroy(crtc->dev, intel_crtc->mode_set.mode); drm_crtc_cleanup(crtc); kfree(intel_crtc); } @@ -3107,16 +3105,6 @@ static void intel_crtc_init(struct drm_device *dev, int pipe) intel_crtc->cursor_addr = 0; intel_crtc->dpms_mode = DRM_MODE_DPMS_OFF; drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); - - intel_crtc->mode_set.crtc = &intel_crtc->base; - intel_crtc->mode_set.connectors = (struct drm_connector **)(intel_crtc + 1); - intel_crtc->mode_set.num_connectors = 0; - - if (i915_fbpercrtc) { - - - - } } int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index d6f92ea1b553..38910f8f30ed 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -96,9 +96,6 @@ struct intel_crtc { uint32_t cursor_addr; u8 lut_r[256], lut_g[256], lut_b[256]; int dpms_mode; - struct intel_framebuffer *fbdev_fb; - /* a mode_set for fbdev users on this crtc */ - struct drm_mode_set mode_set; }; #define to_intel_crtc(x) container_of(x, struct intel_crtc, base) diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 1d30802e773e..3041530c3673 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -39,339 +39,34 @@ #include "drmP.h" #include "drm.h" #include "drm_crtc.h" +#include "drm_fb_helper.h" #include "intel_drv.h" #include "i915_drm.h" #include "i915_drv.h" struct intelfb_par { - struct drm_device *dev; - struct drm_display_mode *our_mode; + struct drm_fb_helper helper; struct intel_framebuffer *intel_fb; - int crtc_count; - /* crtc currently bound to this */ - uint32_t crtc_ids[2]; + struct drm_display_mode *our_mode; }; -static int intelfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - struct intelfb_par *par = info->par; - struct drm_device *dev = par->dev; - struct drm_crtc *crtc; - int i; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct drm_mode_set *modeset = &intel_crtc->mode_set; - struct drm_framebuffer *fb = modeset->fb; - - for (i = 0; i < par->crtc_count; i++) - if (crtc->base.id == par->crtc_ids[i]) - break; - - if (i == par->crtc_count) - continue; - - - if (regno > 255) - return 1; - - if (fb->depth == 8) { - intel_crtc_fb_gamma_set(crtc, red, green, blue, regno); - return 0; - } - - if (regno < 16) { - switch (fb->depth) { - case 15: - fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) | - ((green & 0xf800) >> 6) | - ((blue & 0xf800) >> 11); - break; - case 16: - fb->pseudo_palette[regno] = (red & 0xf800) | - ((green & 0xfc00) >> 5) | - ((blue & 0xf800) >> 11); - break; - case 24: - case 32: - fb->pseudo_palette[regno] = ((red & 0xff00) << 8) | - (green & 0xff00) | - ((blue & 0xff00) >> 8); - break; - } - } - } - return 0; -} - -static int intelfb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - struct intelfb_par *par = info->par; - struct intel_framebuffer *intel_fb = par->intel_fb; - struct drm_framebuffer *fb = &intel_fb->base; - int depth; - - if (var->pixclock == -1 || !var->pixclock) - return -EINVAL; - - /* Need to resize the fb object !!! */ - if (var->xres > fb->width || var->yres > fb->height) { - DRM_ERROR("Requested width/height is greater than current fb object %dx%d > %dx%d\n",var->xres,var->yres,fb->width,fb->height); - DRM_ERROR("Need resizing code.\n"); - return -EINVAL; - } - - switch (var->bits_per_pixel) { - case 16: - depth = (var->green.length == 6) ? 16 : 15; - break; - case 32: - depth = (var->transp.length > 0) ? 32 : 24; - break; - default: - depth = var->bits_per_pixel; - break; - } - - switch (depth) { - case 8: - var->red.offset = 0; - var->green.offset = 0; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 15: - var->red.offset = 10; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 5; - var->blue.length = 5; - var->transp.length = 1; - var->transp.offset = 15; - break; - case 16: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 24: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 32: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 8; - var->transp.offset = 24; - break; - default: - return -EINVAL; - } - - return 0; -} - -/* this will let fbcon do the mode init */ -/* FIXME: take mode config lock? */ -static int intelfb_set_par(struct fb_info *info) -{ - struct intelfb_par *par = info->par; - struct drm_device *dev = par->dev; - struct fb_var_screeninfo *var = &info->var; - int i; - - DRM_DEBUG("%d %d\n", var->xres, var->pixclock); - - if (var->pixclock != -1) { - - DRM_ERROR("PIXEL CLOCK SET\n"); - return -EINVAL; - } else { - struct drm_crtc *crtc; - int ret; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - - for (i = 0; i < par->crtc_count; i++) - if (crtc->base.id == par->crtc_ids[i]) - break; - - if (i == par->crtc_count) - continue; - - if (crtc->fb == intel_crtc->mode_set.fb) { - mutex_lock(&dev->mode_config.mutex); - ret = crtc->funcs->set_config(&intel_crtc->mode_set); - mutex_unlock(&dev->mode_config.mutex); - if (ret) - return ret; - } - } - return 0; - } -} - -static int intelfb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - struct intelfb_par *par = info->par; - struct drm_device *dev = par->dev; - struct drm_mode_set *modeset; - struct drm_crtc *crtc; - struct intel_crtc *intel_crtc; - int ret = 0; - int i; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - for (i = 0; i < par->crtc_count; i++) - if (crtc->base.id == par->crtc_ids[i]) - break; - - if (i == par->crtc_count) - continue; - - intel_crtc = to_intel_crtc(crtc); - modeset = &intel_crtc->mode_set; - - modeset->x = var->xoffset; - modeset->y = var->yoffset; - - if (modeset->num_connectors) { - mutex_lock(&dev->mode_config.mutex); - ret = crtc->funcs->set_config(modeset); - mutex_unlock(&dev->mode_config.mutex); - if (!ret) { - info->var.xoffset = var->xoffset; - info->var.yoffset = var->yoffset; - } - } - } - - return ret; -} - -static void intelfb_on(struct fb_info *info) -{ - struct intelfb_par *par = info->par; - struct drm_device *dev = par->dev; - struct drm_crtc *crtc; - struct drm_encoder *encoder; - int i; - - /* - * For each CRTC in this fb, find all associated encoders - * and turn them off, then turn off the CRTC. - */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - - for (i = 0; i < par->crtc_count; i++) - if (crtc->base.id == par->crtc_ids[i]) - break; - - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); - - /* Found a CRTC on this fb, now find encoders */ - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (encoder->crtc == crtc) { - struct drm_encoder_helper_funcs *encoder_funcs; - encoder_funcs = encoder->helper_private; - encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); - } - } - } -} - -static void intelfb_off(struct fb_info *info, int dpms_mode) -{ - struct intelfb_par *par = info->par; - struct drm_device *dev = par->dev; - struct drm_crtc *crtc; - struct drm_encoder *encoder; - int i; - - /* - * For each CRTC in this fb, find all associated encoders - * and turn them off, then turn off the CRTC. - */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - - for (i = 0; i < par->crtc_count; i++) - if (crtc->base.id == par->crtc_ids[i]) - break; - - /* Found a CRTC on this fb, now find encoders */ - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (encoder->crtc == crtc) { - struct drm_encoder_helper_funcs *encoder_funcs; - encoder_funcs = encoder->helper_private; - encoder_funcs->dpms(encoder, dpms_mode); - } - } - if (dpms_mode == DRM_MODE_DPMS_OFF) - crtc_funcs->dpms(crtc, dpms_mode); - } -} - -static int intelfb_blank(int blank, struct fb_info *info) -{ - switch (blank) { - case FB_BLANK_UNBLANK: - intelfb_on(info); - break; - case FB_BLANK_NORMAL: - intelfb_off(info, DRM_MODE_DPMS_STANDBY); - break; - case FB_BLANK_HSYNC_SUSPEND: - intelfb_off(info, DRM_MODE_DPMS_STANDBY); - break; - case FB_BLANK_VSYNC_SUSPEND: - intelfb_off(info, DRM_MODE_DPMS_SUSPEND); - break; - case FB_BLANK_POWERDOWN: - intelfb_off(info, DRM_MODE_DPMS_OFF); - break; - } - return 0; -} - static struct fb_ops intelfb_ops = { .owner = THIS_MODULE, - .fb_check_var = intelfb_check_var, - .fb_set_par = intelfb_set_par, - .fb_setcolreg = intelfb_setcolreg, + .fb_check_var = drm_fb_helper_check_var, + .fb_set_par = drm_fb_helper_set_par, + .fb_setcolreg = drm_fb_helper_setcolreg, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, - .fb_pan_display = intelfb_pan_display, - .fb_blank = intelfb_blank, + .fb_pan_display = drm_fb_helper_pan_display, + .fb_blank = drm_fb_helper_blank, }; +static struct drm_fb_helper_funcs intel_fb_helper_funcs = { + .gamma_set = intel_crtc_fb_gamma_set, +}; + + /** * Curretly it is assumed that the old framebuffer is reused. * @@ -412,25 +107,10 @@ int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc) } EXPORT_SYMBOL(intelfb_resize); -static struct drm_mode_set kernelfb_mode; - -static int intelfb_panic(struct notifier_block *n, unsigned long ununsed, - void *panic_str) -{ - DRM_ERROR("panic occurred, switching back to text console\n"); - - intelfb_restore(); - return 0; -} - -static struct notifier_block paniced = { - .notifier_call = intelfb_panic, -}; - static int intelfb_create(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height, uint32_t surface_width, uint32_t surface_height, - struct intel_framebuffer **intel_fb_p) + struct drm_framebuffer **fb_p) { struct fb_info *info; struct intelfb_par *par; @@ -479,7 +159,7 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list); intel_fb = to_intel_framebuffer(fb); - *intel_fb_p = intel_fb; + *fb_p = fb; info = framebuffer_alloc(sizeof(struct intelfb_par), device); if (!info) { @@ -489,21 +169,19 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, par = info->par; + par->helper.funcs = &intel_fb_helper_funcs; + par->helper.dev = dev; + ret = drm_fb_helper_init_crtc_count(&par->helper, 2, + INTELFB_CONN_LIMIT); + if (ret) + goto out_unref; + strcpy(info->fix.id, "inteldrmfb"); - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.visual = FB_VISUAL_TRUECOLOR; - info->fix.type_aux = 0; - info->fix.xpanstep = 1; /* doing it in hw */ - info->fix.ypanstep = 1; /* doing it in hw */ - info->fix.ywrapstep = 0; - info->fix.accel = FB_ACCEL_I830; - info->fix.type_aux = 0; info->flags = FBINFO_DEFAULT; info->fbops = &intelfb_ops; - info->fix.line_length = fb->pitch; /* setup aperture base/size for vesafb takeover */ info->aperture_base = dev->mode_config.fb_base; @@ -527,18 +205,8 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, // memset(info->screen_base, 0, size); - info->pseudo_palette = fb->pseudo_palette; - info->var.xres_virtual = fb->width; - info->var.yres_virtual = fb->height; - info->var.bits_per_pixel = fb->bits_per_pixel; - info->var.xoffset = 0; - info->var.yoffset = 0; - info->var.activate = FB_ACTIVATE_NOW; - info->var.height = -1; - info->var.width = -1; - - info->var.xres = fb_width; - info->var.yres = fb_height; + drm_fb_helper_fill_fix(info, fb->depth); + drm_fb_helper_fill_var(info, fb, fb_width, fb_height); /* FIXME: we really shouldn't expose mmio space at all */ info->fix.mmio_start = pci_resource_start(dev->pdev, mmio_bar); @@ -550,64 +218,9 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, info->pixmap.flags = FB_PIXMAP_SYSTEM; info->pixmap.scan_align = 1; - switch(fb->depth) { - case 8: - info->var.red.offset = 0; - info->var.green.offset = 0; - info->var.blue.offset = 0; - info->var.red.length = 8; /* 8bit DAC */ - info->var.green.length = 8; - info->var.blue.length = 8; - info->var.transp.offset = 0; - info->var.transp.length = 0; - break; - case 15: - info->var.red.offset = 10; - info->var.green.offset = 5; - info->var.blue.offset = 0; - info->var.red.length = 5; - info->var.green.length = 5; - info->var.blue.length = 5; - info->var.transp.offset = 15; - info->var.transp.length = 1; - break; - case 16: - info->var.red.offset = 11; - info->var.green.offset = 5; - info->var.blue.offset = 0; - info->var.red.length = 5; - info->var.green.length = 6; - info->var.blue.length = 5; - info->var.transp.offset = 0; - break; - case 24: - info->var.red.offset = 16; - info->var.green.offset = 8; - info->var.blue.offset = 0; - info->var.red.length = 8; - info->var.green.length = 8; - info->var.blue.length = 8; - info->var.transp.offset = 0; - info->var.transp.length = 0; - break; - case 32: - info->var.red.offset = 16; - info->var.green.offset = 8; - info->var.blue.offset = 0; - info->var.red.length = 8; - info->var.green.length = 8; - info->var.blue.length = 8; - info->var.transp.offset = 24; - info->var.transp.length = 8; - break; - default: - break; - } - fb->fbdev = info; par->intel_fb = intel_fb; - par->dev = dev; /* To allow resizeing without swapping buffers */ DRM_DEBUG("allocated %dx%d fb: 0x%08x, bo %p\n", intel_fb->base.width, @@ -625,307 +238,12 @@ out: return ret; } -static int intelfb_multi_fb_probe_crtc(struct drm_device *dev, struct drm_crtc *crtc) -{ - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_framebuffer *intel_fb; - struct drm_framebuffer *fb; - struct drm_connector *connector; - struct fb_info *info; - struct intelfb_par *par; - struct drm_mode_set *modeset; - unsigned int width, height; - int new_fb = 0; - int ret, i, conn_count; - - if (!drm_helper_crtc_in_use(crtc)) - return 0; - - if (!crtc->desired_mode) - return 0; - - width = crtc->desired_mode->hdisplay; - height = crtc->desired_mode->vdisplay; - - /* is there an fb bound to this crtc already */ - if (!intel_crtc->mode_set.fb) { - ret = intelfb_create(dev, width, height, width, height, &intel_fb); - if (ret) - return -EINVAL; - new_fb = 1; - } else { - fb = intel_crtc->mode_set.fb; - intel_fb = to_intel_framebuffer(fb); - if ((intel_fb->base.width < width) || (intel_fb->base.height < height)) - return -EINVAL; - } - - info = intel_fb->base.fbdev; - par = info->par; - - modeset = &intel_crtc->mode_set; - modeset->fb = &intel_fb->base; - conn_count = 0; - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (connector->encoder) - if (connector->encoder->crtc == modeset->crtc) { - modeset->connectors[conn_count] = connector; - conn_count++; - if (conn_count > INTELFB_CONN_LIMIT) - BUG(); - } - } - - for (i = conn_count; i < INTELFB_CONN_LIMIT; i++) - modeset->connectors[i] = NULL; - - par->crtc_ids[0] = crtc->base.id; - - modeset->num_connectors = conn_count; - if (modeset->crtc->desired_mode) { - if (modeset->mode) - drm_mode_destroy(dev, modeset->mode); - modeset->mode = drm_mode_duplicate(dev, - modeset->crtc->desired_mode); - } - - par->crtc_count = 1; - - if (new_fb) { - info->var.pixclock = -1; - if (register_framebuffer(info) < 0) - return -EINVAL; - } else - intelfb_set_par(info); - - DRM_INFO("fb%d: %s frame buffer device\n", info->node, - info->fix.id); - - /* Switch back to kernel console on panic */ - kernelfb_mode = *modeset; - atomic_notifier_chain_register(&panic_notifier_list, &paniced); - DRM_DEBUG("registered panic notifier\n"); - - return 0; -} - -static int intelfb_multi_fb_probe(struct drm_device *dev) -{ - - struct drm_crtc *crtc; - int ret = 0; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - ret = intelfb_multi_fb_probe_crtc(dev, crtc); - if (ret) - return ret; - } - return ret; -} - -static int intelfb_single_fb_probe(struct drm_device *dev) -{ - struct drm_crtc *crtc; - struct drm_connector *connector; - unsigned int fb_width = (unsigned)-1, fb_height = (unsigned)-1; - unsigned int surface_width = 0, surface_height = 0; - int new_fb = 0; - int crtc_count = 0; - int ret, i, conn_count = 0; - struct intel_framebuffer *intel_fb; - struct fb_info *info; - struct intelfb_par *par; - struct drm_mode_set *modeset = NULL; - - DRM_DEBUG("\n"); - - /* Get a count of crtcs now in use and new min/maxes width/heights */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - if (!drm_helper_crtc_in_use(crtc)) - continue; - - crtc_count++; - if (!crtc->desired_mode) - continue; - - /* Smallest mode determines console size... */ - if (crtc->desired_mode->hdisplay < fb_width) - fb_width = crtc->desired_mode->hdisplay; - - if (crtc->desired_mode->vdisplay < fb_height) - fb_height = crtc->desired_mode->vdisplay; - - /* ... but largest for memory allocation dimensions */ - if (crtc->desired_mode->hdisplay > surface_width) - surface_width = crtc->desired_mode->hdisplay; - - if (crtc->desired_mode->vdisplay > surface_height) - surface_height = crtc->desired_mode->vdisplay; - } - - if (crtc_count == 0 || fb_width == -1 || fb_height == -1) { - /* hmm everyone went away - assume VGA cable just fell out - and will come back later. */ - DRM_DEBUG("no CRTCs available?\n"); - return 0; - } - -//fail - /* Find the fb for our new config */ - if (list_empty(&dev->mode_config.fb_kernel_list)) { - DRM_DEBUG("creating new fb (console size %dx%d, " - "buffer size %dx%d)\n", fb_width, fb_height, - surface_width, surface_height); - ret = intelfb_create(dev, fb_width, fb_height, surface_width, - surface_height, &intel_fb); - if (ret) - return -EINVAL; - new_fb = 1; - } else { - struct drm_framebuffer *fb; - - fb = list_first_entry(&dev->mode_config.fb_kernel_list, - struct drm_framebuffer, filp_head); - intel_fb = to_intel_framebuffer(fb); - - /* if someone hotplugs something bigger than we have already - * allocated, we are pwned. As really we can't resize an - * fbdev that is in the wild currently due to fbdev not really - * being designed for the lower layers moving stuff around - * under it. - * - so in the grand style of things - punt. - */ - if ((fb->width < surface_width) || - (fb->height < surface_height)) { - DRM_ERROR("fb not large enough for console\n"); - return -EINVAL; - } - } -// fail - - info = intel_fb->base.fbdev; - par = info->par; - - crtc_count = 0; - /* - * For each CRTC, set up the connector list for the CRTC's mode - * set configuration. - */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - - modeset = &intel_crtc->mode_set; - modeset->fb = &intel_fb->base; - conn_count = 0; - list_for_each_entry(connector, &dev->mode_config.connector_list, - head) { - if (!connector->encoder) - continue; - - if(connector->encoder->crtc == modeset->crtc) { - modeset->connectors[conn_count++] = connector; - if (conn_count > INTELFB_CONN_LIMIT) - BUG(); - } - } - - /* Zero out remaining connector pointers */ - for (i = conn_count; i < INTELFB_CONN_LIMIT; i++) - modeset->connectors[i] = NULL; - - par->crtc_ids[crtc_count++] = crtc->base.id; - - modeset->num_connectors = conn_count; - if (modeset->crtc->desired_mode) { - if (modeset->mode) - drm_mode_destroy(dev, modeset->mode); - modeset->mode = drm_mode_duplicate(dev, - modeset->crtc->desired_mode); - } - } - par->crtc_count = crtc_count; - - if (new_fb) { - info->var.pixclock = -1; - if (register_framebuffer(info) < 0) - return -EINVAL; - } else - intelfb_set_par(info); - - DRM_INFO("fb%d: %s frame buffer device\n", info->node, - info->fix.id); - - /* Switch back to kernel console on panic */ - kernelfb_mode = *modeset; - atomic_notifier_chain_register(&panic_notifier_list, &paniced); - DRM_DEBUG("registered panic notifier\n"); - - return 0; -} - -/** - * intelfb_restore - restore the framebuffer console (kernel) config - * - * Restore's the kernel's fbcon mode, used for lastclose & panic paths. - */ -void intelfb_restore(void) -{ - int ret; - if ((ret = drm_crtc_helper_set_config(&kernelfb_mode)) != 0) { - DRM_ERROR("Failed to restore crtc configuration: %d\n", - ret); - } -} - -static void intelfb_restore_work_fn(struct work_struct *ignored) -{ - intelfb_restore(); -} -static DECLARE_WORK(intelfb_restore_work, intelfb_restore_work_fn); - -static void intelfb_sysrq(int dummy1, struct tty_struct *dummy3) -{ - schedule_work(&intelfb_restore_work); -} - -static struct sysrq_key_op sysrq_intelfb_restore_op = { - .handler = intelfb_sysrq, - .help_msg = "force-fb(V)", - .action_msg = "Restore framebuffer console", -}; - int intelfb_probe(struct drm_device *dev) { int ret; DRM_DEBUG("\n"); - - /* something has changed in the lower levels of hell - deal with it - here */ - - /* two modes : a) 1 fb to rule all crtcs. - b) one fb per crtc. - two actions 1) new connected device - 2) device removed. - case a/1 : if the fb surface isn't big enough - resize the surface fb. - if the fb size isn't big enough - resize fb into surface. - if everything big enough configure the new crtc/etc. - case a/2 : undo the configuration - possibly resize down the fb to fit the new configuration. - case b/1 : see if it is on a new crtc - setup a new fb and add it. - case b/2 : teardown the new fb. - */ - - /* mode a first */ - /* search for an fb */ - if (i915_fbpercrtc == 1) { - ret = intelfb_multi_fb_probe(dev); - } else { - ret = intelfb_single_fb_probe(dev); - } - - register_sysrq_key('v', &sysrq_intelfb_restore_op); - + ret = drm_fb_helper_single_fb_probe(dev, intelfb_create); return ret; } EXPORT_SYMBOL(intelfb_probe); @@ -940,13 +258,14 @@ int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) info = fb->fbdev; if (info) { + struct intelfb_par *par = info->par; unregister_framebuffer(info); iounmap(info->screen_base); + if (info->par) + drm_fb_helper_free(&par->helper); framebuffer_release(info); } - atomic_notifier_chain_unregister(&panic_notifier_list, &paniced); - memset(&kernelfb_mode, 0, sizeof(struct drm_mode_set)); return 0; } EXPORT_SYMBOL(intelfb_remove); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index a8fa1bb84cf7..af035605d147 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -158,9 +158,6 @@ static void radeon_crtc_destroy(struct drm_crtc *crtc) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - if (radeon_crtc->mode_set.mode) { - drm_mode_destroy(crtc->dev, radeon_crtc->mode_set.mode); - } drm_crtc_cleanup(crtc); kfree(radeon_crtc); } @@ -189,9 +186,11 @@ static void radeon_crtc_init(struct drm_device *dev, int index) radeon_crtc->crtc_id = index; rdev->mode_info.crtcs[index] = radeon_crtc; +#if 0 radeon_crtc->mode_set.crtc = &radeon_crtc->base; radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1); radeon_crtc->mode_set.num_connectors = 0; +#endif for (i = 0; i < 256; i++) { radeon_crtc->lut_r[i] = i << 2; diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index ec383edf5f38..ebb58959f418 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -28,15 +28,7 @@ */ #include <linux/module.h> -#include <linux/kernel.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 "drmP.h" #include "drm.h" @@ -45,375 +37,86 @@ #include "radeon_drm.h" #include "radeon.h" +#include "drm_fb_helper.h" + struct radeon_fb_device { - struct radeon_device *rdev; - struct drm_display_mode *mode; + struct drm_fb_helper helper; struct radeon_framebuffer *rfb; - int crtc_count; - /* crtc currently bound to this */ - uint32_t crtc_ids[2]; + struct radeon_device *rdev; }; -static int radeonfb_setcolreg(unsigned regno, - unsigned red, - unsigned green, - unsigned blue, - unsigned transp, - struct fb_info *info) -{ - struct radeon_fb_device *rfbdev = info->par; - struct drm_device *dev = rfbdev->rdev->ddev; - struct drm_crtc *crtc; - int i; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - struct drm_mode_set *modeset = &radeon_crtc->mode_set; - struct drm_framebuffer *fb = modeset->fb; - - for (i = 0; i < rfbdev->crtc_count; i++) { - if (crtc->base.id == rfbdev->crtc_ids[i]) { - break; - } - } - if (i == rfbdev->crtc_count) { - continue; - } - if (regno > 255) { - return 1; - } - if (fb->depth == 8) { - radeon_crtc_fb_gamma_set(crtc, red, green, blue, regno); - return 0; - } - - if (regno < 16) { - switch (fb->depth) { - case 15: - fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) | - ((green & 0xf800) >> 6) | - ((blue & 0xf800) >> 11); - break; - case 16: - fb->pseudo_palette[regno] = (red & 0xf800) | - ((green & 0xfc00) >> 5) | - ((blue & 0xf800) >> 11); - break; - case 24: - case 32: - fb->pseudo_palette[regno] = - (((red >> 8) & 0xff) << info->var.red.offset) | - (((green >> 8) & 0xff) << info->var.green.offset) | - (((blue >> 8) & 0xff) << info->var.blue.offset); - break; - } - } - } - return 0; -} - -static int radeonfb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) +static int radeon_fb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) { - struct radeon_fb_device *rfbdev = info->par; - struct radeon_framebuffer *rfb = rfbdev->rfb; - struct drm_framebuffer *fb = &rfb->base; - int depth; - - if (var->pixclock == -1 || !var->pixclock) { - return -EINVAL; - } - /* Need to resize the fb object !!! */ - if (var->xres > fb->width || var->yres > fb->height) { - DRM_ERROR("Requested width/height is greater than current fb " - "object %dx%d > %dx%d\n", var->xres, var->yres, - fb->width, fb->height); - DRM_ERROR("Need resizing code.\n"); - return -EINVAL; - } - - switch (var->bits_per_pixel) { - case 16: - depth = (var->green.length == 6) ? 16 : 15; - break; - case 32: - depth = (var->transp.length > 0) ? 32 : 24; - break; - default: - depth = var->bits_per_pixel; - break; - } - - switch (depth) { - case 8: - var->red.offset = 0; - var->green.offset = 0; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; -#ifdef __LITTLE_ENDIAN - case 15: - var->red.offset = 10; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 5; - var->blue.length = 5; - var->transp.length = 1; - var->transp.offset = 15; - break; - case 16: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 24: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 32: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 8; - var->transp.offset = 24; - break; -#else - case 24: - var->red.offset = 8; - var->green.offset = 16; - var->blue.offset = 24; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 32: - var->red.offset = 8; - var->green.offset = 16; - var->blue.offset = 24; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 8; - var->transp.offset = 0; - break; -#endif - default: - return -EINVAL; - } - return 0; -} - -/* this will let fbcon do the mode init */ -static int radeonfb_set_par(struct fb_info *info) -{ - struct radeon_fb_device *rfbdev = info->par; - struct drm_device *dev = rfbdev->rdev->ddev; - struct fb_var_screeninfo *var = &info->var; - struct drm_crtc *crtc; int ret; - int i; - - if (var->pixclock != -1) { - DRM_ERROR("PIXEL CLCOK SET\n"); - return -EINVAL; - } - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - - for (i = 0; i < rfbdev->crtc_count; i++) { - if (crtc->base.id == rfbdev->crtc_ids[i]) { - break; - } - } - if (i == rfbdev->crtc_count) { - continue; - } - if (crtc->fb == radeon_crtc->mode_set.fb) { - mutex_lock(&dev->mode_config.mutex); - ret = crtc->funcs->set_config(&radeon_crtc->mode_set); - mutex_unlock(&dev->mode_config.mutex); - if (ret) { - return ret; - } - } - } - return 0; -} - -static int radeonfb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - struct radeon_fb_device *rfbdev = info->par; - struct drm_device *dev = rfbdev->rdev->ddev; - struct drm_mode_set *modeset; - struct drm_crtc *crtc; - struct radeon_crtc *radeon_crtc; - int ret = 0; - int i; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - for (i = 0; i < rfbdev->crtc_count; i++) { - if (crtc->base.id == rfbdev->crtc_ids[i]) { - break; - } - } - - if (i == rfbdev->crtc_count) { - continue; - } - - radeon_crtc = to_radeon_crtc(crtc); - modeset = &radeon_crtc->mode_set; - - modeset->x = var->xoffset; - modeset->y = var->yoffset; - - if (modeset->num_connectors) { - mutex_lock(&dev->mode_config.mutex); - ret = crtc->funcs->set_config(modeset); - mutex_unlock(&dev->mode_config.mutex); - if (!ret) { - info->var.xoffset = var->xoffset; - info->var.yoffset = var->yoffset; - } + ret = drm_fb_helper_check_var(var, info); + if (ret) + return ret; + + /* big endian override for radeon endian workaround */ +#ifdef __BIG_ENDIAN + { + int depth; + switch (var->bits_per_pixel) { + case 16: + depth = (var->green.length == 6) ? 16 : 15; + break; + case 32: + depth = (var->transp.length > 0) ? 32 : 24; + break; + default: + depth = var->bits_per_pixel; + break; } - } - return ret; -} - -static void radeonfb_on(struct fb_info *info) -{ - struct radeon_fb_device *rfbdev = info->par; - struct drm_device *dev = rfbdev->rdev->ddev; - struct drm_crtc *crtc; - struct drm_encoder *encoder; - int i; - - /* - * For each CRTC in this fb, find all associated encoders - * and turn them off, then turn off the CRTC. - */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - - for (i = 0; i < rfbdev->crtc_count; i++) { - if (crtc->base.id == rfbdev->crtc_ids[i]) { - break; - } - } - - mutex_lock(&dev->mode_config.mutex); - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); - mutex_unlock(&dev->mode_config.mutex); - - /* Found a CRTC on this fb, now find encoders */ - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (encoder->crtc == crtc) { - struct drm_encoder_helper_funcs *encoder_funcs; - - encoder_funcs = encoder->helper_private; - mutex_lock(&dev->mode_config.mutex); - encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); - mutex_unlock(&dev->mode_config.mutex); - } - } - } -} - -static void radeonfb_off(struct fb_info *info, int dpms_mode) -{ - struct radeon_fb_device *rfbdev = info->par; - struct drm_device *dev = rfbdev->rdev->ddev; - struct drm_crtc *crtc; - struct drm_encoder *encoder; - int i; - - /* - * For each CRTC in this fb, find all associated encoders - * and turn them off, then turn off the CRTC. - */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - - for (i = 0; i < rfbdev->crtc_count; i++) { - if (crtc->base.id == rfbdev->crtc_ids[i]) { - break; - } - } - - /* Found a CRTC on this fb, now find encoders */ - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (encoder->crtc == crtc) { - struct drm_encoder_helper_funcs *encoder_funcs; - - encoder_funcs = encoder->helper_private; - mutex_lock(&dev->mode_config.mutex); - encoder_funcs->dpms(encoder, dpms_mode); - mutex_unlock(&dev->mode_config.mutex); - } - } - if (dpms_mode == DRM_MODE_DPMS_OFF) { - mutex_lock(&dev->mode_config.mutex); - crtc_funcs->dpms(crtc, dpms_mode); - mutex_unlock(&dev->mode_config.mutex); + switch (depth) { + case 8: + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 24: + var->red.offset = 8; + var->green.offset = 16; + var->blue.offset = 24; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 32: + var->red.offset = 8; + var->green.offset = 16; + var->blue.offset = 24; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 8; + var->transp.offset = 0; + break; + default: + return -EINVAL; } } -} - -int radeonfb_blank(int blank, struct fb_info *info) -{ - switch (blank) { - case FB_BLANK_UNBLANK: - radeonfb_on(info); - break; - case FB_BLANK_NORMAL: - radeonfb_off(info, DRM_MODE_DPMS_STANDBY); - break; - case FB_BLANK_HSYNC_SUSPEND: - radeonfb_off(info, DRM_MODE_DPMS_STANDBY); - break; - case FB_BLANK_VSYNC_SUSPEND: - radeonfb_off(info, DRM_MODE_DPMS_SUSPEND); - break; - case FB_BLANK_POWERDOWN: - radeonfb_off(info, DRM_MODE_DPMS_OFF); - break; - } +#endif return 0; } static struct fb_ops radeonfb_ops = { .owner = THIS_MODULE, - .fb_check_var = radeonfb_check_var, - .fb_set_par = radeonfb_set_par, - .fb_setcolreg = radeonfb_setcolreg, + .fb_check_var = radeon_fb_check_var, + .fb_set_par = drm_fb_helper_set_par, + .fb_setcolreg = drm_fb_helper_setcolreg, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, - .fb_pan_display = radeonfb_pan_display, - .fb_blank = radeonfb_blank, + .fb_pan_display = drm_fb_helper_pan_display, + .fb_blank = drm_fb_helper_blank, }; /** @@ -456,21 +159,6 @@ int radeonfb_resize(struct drm_device *dev, struct drm_crtc *crtc) } EXPORT_SYMBOL(radeonfb_resize); -static struct drm_mode_set panic_mode; - -int radeonfb_panic(struct notifier_block *n, unsigned long ununsed, - void *panic_str) -{ - DRM_ERROR("panic occurred, switching back to text console\n"); - drm_crtc_helper_set_config(&panic_mode); - return 0; -} -EXPORT_SYMBOL(radeonfb_panic); - -static struct notifier_block paniced = { - .notifier_call = radeonfb_panic, -}; - static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled) { int aligned = width; @@ -495,11 +183,16 @@ static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bo return aligned; } -int radeonfb_create(struct radeon_device *rdev, +static struct drm_fb_helper_funcs radeon_fb_helper_funcs = { + .gamma_set = radeon_crtc_fb_gamma_set, +}; + +int radeonfb_create(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height, uint32_t surface_width, uint32_t surface_height, - struct radeon_framebuffer **rfb_p) + struct drm_framebuffer **fb_p) { + struct radeon_device *rdev = dev->dev_private; struct fb_info *info; struct radeon_fb_device *rfbdev; struct drm_framebuffer *fb = NULL; @@ -554,8 +247,8 @@ int radeonfb_create(struct radeon_device *rdev, list_add(&fb->filp_head, &rdev->ddev->mode_config.fb_kernel_list); + *fb_p = fb; rfb = to_radeon_framebuffer(fb); - *rfb_p = rfb; rdev->fbdev_rfb = rfb; rdev->fbdev_robj = robj; @@ -564,7 +257,14 @@ int radeonfb_create(struct radeon_device *rdev, ret = -ENOMEM; goto out_unref; } + rfbdev = info->par; + rfbdev->helper.funcs = &radeon_fb_helper_funcs; + rfbdev->helper.dev = dev; + ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, 2, + RADEONFB_CONN_LIMIT); + if (ret) + goto out_unref; if (fb_tiled) radeon_object_check_tiling(robj, 0, 0); @@ -577,33 +277,19 @@ int radeonfb_create(struct radeon_device *rdev, memset_io(fbptr, 0, aligned_size); strcpy(info->fix.id, "radeondrmfb"); - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.visual = FB_VISUAL_TRUECOLOR; - info->fix.type_aux = 0; - info->fix.xpanstep = 1; /* doing it in hw */ - info->fix.ypanstep = 1; /* doing it in hw */ - info->fix.ywrapstep = 0; - info->fix.accel = FB_ACCEL_NONE; - info->fix.type_aux = 0; + + drm_fb_helper_fill_fix(info, fb->pitch); + info->flags = FBINFO_DEFAULT; info->fbops = &radeonfb_ops; - info->fix.line_length = fb->pitch; + tmp = fb_gpuaddr - rdev->mc.vram_location; info->fix.smem_start = rdev->mc.aper_base + tmp; info->fix.smem_len = size; info->screen_base = fbptr; info->screen_size = size; - info->pseudo_palette = fb->pseudo_palette; - info->var.xres_virtual = fb->width; - info->var.yres_virtual = fb->height; - info->var.bits_per_pixel = fb->bits_per_pixel; - info->var.xoffset = 0; - info->var.yoffset = 0; - info->var.activate = FB_ACTIVATE_NOW; - info->var.height = -1; - info->var.width = -1; - info->var.xres = fb_width; - info->var.yres = fb_height; + + drm_fb_helper_fill_var(info, fb, fb_width, fb_height); /* setup aperture base/size for vesafb takeover */ info->aperture_base = rdev->ddev->mode_config.fb_base; @@ -626,6 +312,9 @@ int radeonfb_create(struct radeon_device *rdev, DRM_INFO("fb depth is %d\n", fb->depth); DRM_INFO(" pitch is %d\n", fb->pitch); +#ifdef __BIG_ENDIAN + /* fill var sets defaults for this stuff - override + on big endian */ switch (fb->depth) { case 8: info->var.red.offset = 0; @@ -637,47 +326,6 @@ int radeonfb_create(struct radeon_device *rdev, info->var.transp.offset = 0; info->var.transp.length = 0; break; -#ifdef __LITTLE_ENDIAN - case 15: - info->var.red.offset = 10; - info->var.green.offset = 5; - info->var.blue.offset = 0; - info->var.red.length = 5; - info->var.green.length = 5; - info->var.blue.length = 5; - info->var.transp.offset = 15; - info->var.transp.length = 1; - break; - case 16: - info->var.red.offset = 11; - info->var.green.offset = 5; - info->var.blue.offset = 0; - info->var.red.length = 5; - info->var.green.length = 6; - info->var.blue.length = 5; - info->var.transp.offset = 0; - break; - case 24: - info->var.red.offset = 16; - info->var.green.offset = 8; - info->var.blue.offset = 0; - info->var.red.length = 8; - info->var.green.length = 8; - info->var.blue.length = 8; - info->var.transp.offset = 0; - info->var.transp.length = 0; - break; - case 32: - info->var.red.offset = 16; - info->var.green.offset = 8; - info->var.blue.offset = 0; - info->var.red.length = 8; - info->var.green.length = 8; - info->var.blue.length = 8; - info->var.transp.offset = 24; - info->var.transp.length = 8; - break; -#else case 24: info->var.red.offset = 8; info->var.green.offset = 16; @@ -699,9 +347,9 @@ int radeonfb_create(struct radeon_device *rdev, info->var.transp.length = 8; break; default: -#endif break; } +#endif fb->fbdev = info; rfbdev->rfb = rfb; @@ -726,145 +374,10 @@ out: return ret; } -static int radeonfb_single_fb_probe(struct radeon_device *rdev) -{ - struct drm_crtc *crtc; - struct drm_connector *connector; - unsigned int fb_width = (unsigned)-1, fb_height = (unsigned)-1; - unsigned int surface_width = 0, surface_height = 0; - int new_fb = 0; - int crtc_count = 0; - int ret, i, conn_count = 0; - struct radeon_framebuffer *rfb; - struct fb_info *info; - struct radeon_fb_device *rfbdev; - struct drm_mode_set *modeset = NULL; - - /* first up get a count of crtcs now in use and new min/maxes width/heights */ - list_for_each_entry(crtc, &rdev->ddev->mode_config.crtc_list, head) { - if (drm_helper_crtc_in_use(crtc)) { - if (crtc->desired_mode) { - if (crtc->desired_mode->hdisplay < fb_width) - fb_width = crtc->desired_mode->hdisplay; - - if (crtc->desired_mode->vdisplay < fb_height) - fb_height = crtc->desired_mode->vdisplay; - - if (crtc->desired_mode->hdisplay > surface_width) - surface_width = crtc->desired_mode->hdisplay; - - if (crtc->desired_mode->vdisplay > surface_height) - surface_height = crtc->desired_mode->vdisplay; - } - crtc_count++; - } - } - - if (crtc_count == 0 || fb_width == -1 || fb_height == -1) { - /* hmm everyone went away - assume VGA cable just fell out - and will come back later. */ - return 0; - } - - /* do we have an fb already? */ - if (list_empty(&rdev->ddev->mode_config.fb_kernel_list)) { - /* create an fb if we don't have one */ - ret = radeonfb_create(rdev, fb_width, fb_height, surface_width, surface_height, &rfb); - if (ret) { - return -EINVAL; - } - new_fb = 1; - } else { - struct drm_framebuffer *fb; - fb = list_first_entry(&rdev->ddev->mode_config.fb_kernel_list, struct drm_framebuffer, filp_head); - rfb = to_radeon_framebuffer(fb); - - /* if someone hotplugs something bigger than we have already allocated, we are pwned. - As really we can't resize an fbdev that is in the wild currently due to fbdev - not really being designed for the lower layers moving stuff around under it. - - so in the grand style of things - punt. */ - if ((fb->width < surface_width) || (fb->height < surface_height)) { - DRM_ERROR("Framebuffer not large enough to scale console onto.\n"); - return -EINVAL; - } - } - - info = rfb->base.fbdev; - rdev->fbdev_info = info; - rfbdev = info->par; - - crtc_count = 0; - /* okay we need to setup new connector sets in the crtcs */ - list_for_each_entry(crtc, &rdev->ddev->mode_config.crtc_list, head) { - struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - modeset = &radeon_crtc->mode_set; - modeset->fb = &rfb->base; - conn_count = 0; - list_for_each_entry(connector, &rdev->ddev->mode_config.connector_list, head) { - if (connector->encoder) - if (connector->encoder->crtc == modeset->crtc) { - modeset->connectors[conn_count] = connector; - conn_count++; - if (conn_count > RADEONFB_CONN_LIMIT) - BUG(); - } - } - - for (i = conn_count; i < RADEONFB_CONN_LIMIT; i++) - modeset->connectors[i] = NULL; - - - rfbdev->crtc_ids[crtc_count++] = crtc->base.id; - - modeset->num_connectors = conn_count; - if (modeset->crtc->desired_mode) { - if (modeset->mode) { - drm_mode_destroy(rdev->ddev, modeset->mode); - } - modeset->mode = drm_mode_duplicate(rdev->ddev, - modeset->crtc->desired_mode); - } - } - rfbdev->crtc_count = crtc_count; - - if (new_fb) { - info->var.pixclock = -1; - if (register_framebuffer(info) < 0) - return -EINVAL; - } else { - radeonfb_set_par(info); - } - printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, - info->fix.id); - - /* Switch back to kernel console on panic */ - panic_mode = *modeset; - atomic_notifier_chain_register(&panic_notifier_list, &paniced); - printk(KERN_INFO "registered panic notifier\n"); - - return 0; -} - int radeonfb_probe(struct drm_device *dev) { int ret; - - /* something has changed in the lower levels of hell - deal with it - here */ - - /* two modes : a) 1 fb to rule all crtcs. - b) one fb per crtc. - two actions 1) new connected device - 2) device removed. - case a/1 : if the fb surface isn't big enough - resize the surface fb. - if the fb size isn't big enough - resize fb into surface. - if everything big enough configure the new crtc/etc. - case a/2 : undo the configuration - possibly resize down the fb to fit the new configuration. - case b/1 : see if it is on a new crtc - setup a new fb and add it. - case b/2 : teardown the new fb. - */ - ret = radeonfb_single_fb_probe(dev->dev_private); + ret = drm_fb_helper_single_fb_probe(dev, &radeonfb_create); return ret; } EXPORT_SYMBOL(radeonfb_probe); @@ -880,16 +393,17 @@ int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) } info = fb->fbdev; if (info) { + struct radeon_fb_device *rfbdev = info->par; robj = rfb->obj->driver_private; unregister_framebuffer(info); radeon_object_kunmap(robj); radeon_object_unpin(robj); + drm_fb_helper_free(&rfbdev->helper); framebuffer_release(info); } printk(KERN_INFO "unregistered panic notifier\n"); - atomic_notifier_chain_unregister(&panic_notifier_list, &paniced); - memset(&panic_mode, 0, sizeof(struct drm_mode_set)); + return 0; } EXPORT_SYMBOL(radeonfb_remove); diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 3b09a1f2d8f9..20e9509a7130 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -195,8 +195,6 @@ struct radeon_crtc { bool enabled; bool can_tile; uint32_t crtc_offset; - struct radeon_framebuffer *fbdev_fb; - struct drm_mode_set mode_set; struct drm_gem_object *cursor_bo; uint64_t cursor_addr; int cursor_width; diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index db92a83f8ca9..b0427a70fcbd 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -259,6 +259,8 @@ struct drm_framebuffer { void *fbdev; u32 pseudo_palette[17]; struct list_head filp_head; + /* if you are using the helper */ + void *helper_private; }; struct drm_property_blob { diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h new file mode 100644 index 000000000000..88fffbdfa26f --- /dev/null +++ b/include/drm/drm_fb_helper.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2006-2009 Red Hat Inc. + * Copyright (c) 2006-2008 Intel Corporation + * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> + * + * DRM framebuffer helper functions + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + * + * Authors: + * Dave Airlie <airlied@linux.ie> + * Jesse Barnes <jesse.barnes@intel.com> + */ +#ifndef DRM_FB_HELPER_H +#define DRM_FB_HELPER_H + +struct drm_fb_helper_crtc { + uint32_t crtc_id; + struct drm_mode_set mode_set; +}; + +struct drm_fb_helper_funcs { + void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno); +}; + +struct drm_fb_helper { + struct drm_framebuffer *fb; + struct drm_device *dev; + struct drm_display_mode *mode; + int crtc_count; + struct drm_fb_helper_crtc *crtc_info; + struct drm_fb_helper_funcs *funcs; + int conn_limit; + struct list_head kernel_fb_list; +}; + +int drm_fb_helper_single_fb_probe(struct drm_device *dev, + int (*fb_create)(struct drm_device *dev, + uint32_t fb_width, + uint32_t fb_height, + uint32_t surface_width, + uint32_t surface_height, + struct drm_framebuffer **fb_ptr)); +int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count, + int max_conn); +void drm_fb_helper_free(struct drm_fb_helper *helper); +int drm_fb_helper_blank(int blank, struct fb_info *info); +int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info); +int drm_fb_helper_set_par(struct fb_info *info); +int drm_fb_helper_check_var(struct fb_var_screeninfo *var, + struct fb_info *info); +int drm_fb_helper_setcolreg(unsigned regno, + unsigned red, + unsigned green, + unsigned blue, + unsigned transp, + struct fb_info *info); + +void drm_fb_helper_restore(void); +void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb, + uint32_t fb_width, uint32_t fb_height); +void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch); + +#endif |
