diff options
27 files changed, 850 insertions, 836 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index d91fb8c0b7b3..6a472d534522 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -857,7 +857,6 @@ void drm_mode_config_init(struct drm_device *dev) mutex_init(&dev->mode_config.mutex); mutex_init(&dev->mode_config.idr_mutex); INIT_LIST_HEAD(&dev->mode_config.fb_list); - INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list); INIT_LIST_HEAD(&dev->mode_config.crtc_list); INIT_LIST_HEAD(&dev->mode_config.connector_list); INIT_LIST_HEAD(&dev->mode_config.encoder_list); diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 51103aa469f8..9d23f54673d3 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -55,7 +55,7 @@ static void drm_mode_validate_flag(struct drm_connector *connector, } /** - * drm_helper_probe_connector_modes - get complete set of display modes + * drm_helper_probe_single_connector_modes - get complete set of display modes * @dev: DRM device * @maxX: max width for modes * @maxY: max height for modes @@ -154,21 +154,6 @@ prune: } EXPORT_SYMBOL(drm_helper_probe_single_connector_modes); -int drm_helper_probe_connector_modes(struct drm_device *dev, uint32_t maxX, - uint32_t maxY) -{ - struct drm_connector *connector; - int count = 0; - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - count += drm_helper_probe_single_connector_modes(connector, - maxX, maxY); - } - - return count; -} -EXPORT_SYMBOL(drm_helper_probe_connector_modes); - /** * drm_helper_encoder_in_use - check if a given encoder is in use * @encoder: encoder to check @@ -263,302 +248,6 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) } EXPORT_SYMBOL(drm_helper_disable_unused_functions); -static struct drm_display_mode *drm_has_preferred_mode(struct drm_connector *connector, int width, int height) -{ - struct drm_display_mode *mode; - - list_for_each_entry(mode, &connector->modes, head) { - if (drm_mode_width(mode) > width || - drm_mode_height(mode) > height) - continue; - if (mode->type & DRM_MODE_TYPE_PREFERRED) - return mode; - } - return NULL; -} - -static bool drm_has_cmdline_mode(struct drm_connector *connector) -{ - struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private; - struct drm_fb_helper_cmdline_mode *cmdline_mode; - - if (!fb_help_conn) - return false; - - cmdline_mode = &fb_help_conn->cmdline_mode; - return cmdline_mode->specified; -} - -static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_connector *connector, int width, int height) -{ - struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private; - struct drm_fb_helper_cmdline_mode *cmdline_mode; - struct drm_display_mode *mode = NULL; - - if (!fb_help_conn) - return mode; - - cmdline_mode = &fb_help_conn->cmdline_mode; - if (cmdline_mode->specified == false) - return mode; - - /* attempt to find a matching mode in the list of modes - * we have gotten so far, if not add a CVT mode that conforms - */ - if (cmdline_mode->rb || cmdline_mode->margins) - goto create_mode; - - list_for_each_entry(mode, &connector->modes, head) { - /* check width/height */ - if (mode->hdisplay != cmdline_mode->xres || - mode->vdisplay != cmdline_mode->yres) - continue; - - if (cmdline_mode->refresh_specified) { - if (mode->vrefresh != cmdline_mode->refresh) - continue; - } - - if (cmdline_mode->interlace) { - if (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) - continue; - } - return mode; - } - -create_mode: - mode = drm_cvt_mode(connector->dev, cmdline_mode->xres, - cmdline_mode->yres, - cmdline_mode->refresh_specified ? cmdline_mode->refresh : 60, - cmdline_mode->rb, cmdline_mode->interlace, - cmdline_mode->margins); - drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); - list_add(&mode->head, &connector->modes); - return mode; -} - -static bool drm_connector_enabled(struct drm_connector *connector, bool strict) -{ - bool enable; - - if (strict) { - enable = connector->status == connector_status_connected; - } else { - enable = connector->status != connector_status_disconnected; - } - return enable; -} - -static void drm_enable_connectors(struct drm_device *dev, bool *enabled) -{ - bool any_enabled = false; - struct drm_connector *connector; - int i = 0; - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - enabled[i] = drm_connector_enabled(connector, true); - DRM_DEBUG_KMS("connector %d enabled? %s\n", connector->base.id, - enabled[i] ? "yes" : "no"); - any_enabled |= enabled[i]; - i++; - } - - if (any_enabled) - return; - - i = 0; - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - enabled[i] = drm_connector_enabled(connector, false); - i++; - } -} - -static bool drm_target_preferred(struct drm_device *dev, - struct drm_display_mode **modes, - bool *enabled, int width, int height) -{ - struct drm_connector *connector; - int i = 0; - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - - if (enabled[i] == false) { - i++; - continue; - } - - DRM_DEBUG_KMS("looking for cmdline mode on connector %d\n", - connector->base.id); - - /* got for command line mode first */ - modes[i] = drm_pick_cmdline_mode(connector, width, height); - if (!modes[i]) { - DRM_DEBUG_KMS("looking for preferred mode on connector %d\n", - connector->base.id); - modes[i] = drm_has_preferred_mode(connector, width, height); - } - /* No preferred modes, pick one off the list */ - if (!modes[i] && !list_empty(&connector->modes)) { - list_for_each_entry(modes[i], &connector->modes, head) - break; - } - DRM_DEBUG_KMS("found mode %s\n", modes[i] ? modes[i]->name : - "none"); - i++; - } - return true; -} - -static int drm_pick_crtcs(struct drm_device *dev, - struct drm_crtc **best_crtcs, - struct drm_display_mode **modes, - int n, int width, int height) -{ - int c, o; - struct drm_connector *connector; - struct drm_connector_helper_funcs *connector_funcs; - struct drm_encoder *encoder; - struct drm_crtc *best_crtc; - int my_score, best_score, score; - struct drm_crtc **crtcs, *crtc; - - if (n == dev->mode_config.num_connector) - return 0; - c = 0; - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (c == n) - break; - c++; - } - - best_crtcs[n] = NULL; - best_crtc = NULL; - best_score = drm_pick_crtcs(dev, best_crtcs, modes, n+1, width, height); - if (modes[n] == NULL) - return best_score; - - crtcs = kmalloc(dev->mode_config.num_connector * - sizeof(struct drm_crtc *), GFP_KERNEL); - if (!crtcs) - return best_score; - - my_score = 1; - if (connector->status == connector_status_connected) - my_score++; - if (drm_has_cmdline_mode(connector)) - my_score++; - if (drm_has_preferred_mode(connector, width, height)) - my_score++; - - connector_funcs = connector->helper_private; - encoder = connector_funcs->best_encoder(connector); - if (!encoder) - goto out; - - connector->encoder = encoder; - - /* select a crtc for this connector and then attempt to configure - remaining connectors */ - c = 0; - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - - if ((encoder->possible_crtcs & (1 << c)) == 0) { - c++; - continue; - } - - for (o = 0; o < n; o++) - if (best_crtcs[o] == crtc) - break; - - if (o < n) { - /* ignore cloning for now */ - c++; - continue; - } - - crtcs[n] = crtc; - memcpy(crtcs, best_crtcs, n * sizeof(struct drm_crtc *)); - score = my_score + drm_pick_crtcs(dev, crtcs, modes, n + 1, - width, height); - if (score > best_score) { - best_crtc = crtc; - best_score = score; - memcpy(best_crtcs, crtcs, - dev->mode_config.num_connector * - sizeof(struct drm_crtc *)); - } - c++; - } -out: - kfree(crtcs); - return best_score; -} - -static void drm_setup_crtcs(struct drm_device *dev) -{ - struct drm_crtc **crtcs; - struct drm_display_mode **modes; - struct drm_encoder *encoder; - struct drm_connector *connector; - bool *enabled; - int width, height; - int i, ret; - - DRM_DEBUG_KMS("\n"); - - width = dev->mode_config.max_width; - height = dev->mode_config.max_height; - - /* clean out all the encoder/crtc combos */ - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - encoder->crtc = NULL; - } - - crtcs = kcalloc(dev->mode_config.num_connector, - sizeof(struct drm_crtc *), GFP_KERNEL); - modes = kcalloc(dev->mode_config.num_connector, - sizeof(struct drm_display_mode *), GFP_KERNEL); - enabled = kcalloc(dev->mode_config.num_connector, - sizeof(bool), GFP_KERNEL); - - drm_enable_connectors(dev, enabled); - - ret = drm_target_preferred(dev, modes, enabled, width, height); - if (!ret) - DRM_ERROR("Unable to find initial modes\n"); - - DRM_DEBUG_KMS("picking CRTCs for %dx%d config\n", width, height); - - drm_pick_crtcs(dev, crtcs, modes, 0, width, height); - - i = 0; - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - struct drm_display_mode *mode = modes[i]; - struct drm_crtc *crtc = crtcs[i]; - - if (connector->encoder == NULL) { - i++; - continue; - } - - if (mode && crtc) { - DRM_DEBUG_KMS("desired mode %s set on crtc %d\n", - mode->name, crtc->base.id); - crtc->desired_mode = mode; - connector->encoder->crtc = crtc; - } else { - connector->encoder->crtc = NULL; - connector->encoder = NULL; - } - i++; - } - - kfree(crtcs); - kfree(modes); - kfree(enabled); -} - /** * drm_encoder_crtc_ok - can a given crtc drive a given encoder? * @encoder: encoder to test @@ -984,63 +673,6 @@ fail: } EXPORT_SYMBOL(drm_crtc_helper_set_config); -bool drm_helper_plugged_event(struct drm_device *dev) -{ - DRM_DEBUG_KMS("\n"); - - drm_helper_probe_connector_modes(dev, dev->mode_config.max_width, - dev->mode_config.max_height); - - drm_setup_crtcs(dev); - - /* alert the driver fb layer */ - dev->mode_config.funcs->fb_changed(dev); - - /* FIXME: send hotplug event */ - return true; -} -/** - * drm_initial_config - setup a sane initial connector configuration - * @dev: DRM device - * - * LOCKING: - * Called at init time, must take mode config lock. - * - * Scan the CRTCs and connectors and try to put together an initial setup. - * At the moment, this is a cloned configuration across all heads with - * a new framebuffer object as the backing store. - * - * RETURNS: - * Zero if everything went ok, nonzero otherwise. - */ -bool drm_helper_initial_config(struct drm_device *dev) -{ - int count = 0; - - /* disable all the possible outputs/crtcs before entering KMS mode */ - drm_helper_disable_unused_functions(dev); - - drm_fb_helper_parse_command_line(dev); - - count = drm_helper_probe_connector_modes(dev, - dev->mode_config.max_width, - dev->mode_config.max_height); - - /* - * we shouldn't end up with no modes here. - */ - if (count == 0) - printk(KERN_INFO "No connectors reported connected with modes\n"); - - drm_setup_crtcs(dev); - - /* alert the driver fb layer */ - dev->mode_config.funcs->fb_changed(dev); - - return 0; -} -EXPORT_SYMBOL(drm_helper_initial_config); - static int drm_helper_choose_encoder_dpms(struct drm_encoder *encoder) { int dpms = DRM_MODE_DPMS_OFF; @@ -1123,27 +755,6 @@ void drm_helper_connector_dpms(struct drm_connector *connector, int mode) } EXPORT_SYMBOL(drm_helper_connector_dpms); -/** - * drm_hotplug_stage_two - * @dev DRM device - * @connector hotpluged connector - * - * LOCKING. - * Caller must hold mode config lock, function might grab struct lock. - * - * Stage two of a hotplug. - * - * RETURNS: - * Zero on success, errno on failure. - */ -int drm_helper_hotplug_stage_two(struct drm_device *dev) -{ - drm_helper_plugged_event(dev); - - return 0; -} -EXPORT_SYMBOL(drm_helper_hotplug_stage_two); - int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, struct drm_mode_fb_cmd *mode_cmd) { diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 99487237111d..055b5be78877 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -747,32 +747,30 @@ EXPORT_SYMBOL(drm_fb_helper_pan_display); int drm_fb_helper_single_fb_probe(struct drm_device *dev, int preferred_bpp, - int (*fb_create)(struct drm_device *dev, - uint32_t fb_width, - uint32_t fb_height, - uint32_t surface_width, - uint32_t surface_height, - uint32_t surface_depth, - uint32_t surface_bpp, - struct drm_framebuffer **fb_ptr)) + int (*fb_find_or_create)(struct drm_device *dev, + struct drm_fb_helper_surface_size *sizes, + struct drm_fb_helper **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; - uint32_t surface_depth = 24, surface_bpp = 32; + struct drm_fb_helper_surface_size sizes; + + memset(&sizes, 0, sizeof(struct drm_fb_helper_surface_size)); + sizes.surface_depth = 24; + sizes.surface_bpp = 32; + sizes.fb_width = (unsigned)-1; + sizes.fb_height = (unsigned)-1; /* if driver picks 8 or 16 by default use that for both depth/bpp */ - if (preferred_bpp != surface_bpp) { - surface_depth = surface_bpp = preferred_bpp; + if (preferred_bpp != sizes.surface_bpp) { + sizes.surface_depth = sizes.surface_bpp = preferred_bpp; } /* first up get a count of crtcs now in use and new min/maxes width/heights */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { @@ -788,21 +786,21 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev, if (cmdline_mode->bpp_specified) { switch (cmdline_mode->bpp) { case 8: - surface_depth = surface_bpp = 8; + sizes.surface_depth = sizes.surface_bpp = 8; break; case 15: - surface_depth = 15; - surface_bpp = 16; + sizes.surface_depth = 15; + sizes.surface_bpp = 16; break; case 16: - surface_depth = surface_bpp = 16; + sizes.surface_depth = sizes.surface_bpp = 16; break; case 24: - surface_depth = surface_bpp = 24; + sizes.surface_depth = sizes.surface_bpp = 24; break; case 32: - surface_depth = 24; - surface_bpp = 32; + sizes.surface_depth = 24; + sizes.surface_bpp = 32; break; } break; @@ -812,59 +810,41 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev, 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->hdisplay < sizes.fb_width) + sizes.fb_width = crtc->desired_mode->hdisplay; - if (crtc->desired_mode->vdisplay < fb_height) - fb_height = crtc->desired_mode->vdisplay; + if (crtc->desired_mode->vdisplay < sizes.fb_height) + sizes.fb_height = crtc->desired_mode->vdisplay; - if (crtc->desired_mode->hdisplay > surface_width) - surface_width = crtc->desired_mode->hdisplay; + if (crtc->desired_mode->hdisplay > sizes.surface_width) + sizes.surface_width = crtc->desired_mode->hdisplay; - if (crtc->desired_mode->vdisplay > surface_height) - surface_height = crtc->desired_mode->vdisplay; + if (crtc->desired_mode->vdisplay > sizes.surface_height) + sizes.surface_height = crtc->desired_mode->vdisplay; } crtc_count++; } } - if (crtc_count == 0 || fb_width == -1 || fb_height == -1) { + if (crtc_count == 0 || sizes.fb_width == -1 || sizes.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, surface_depth, surface_bpp, - &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; - } - } + /* push down into drivers */ + new_fb = (*fb_find_or_create)(dev, &sizes, + &fb_helper); + if (new_fb < 0) + return new_fb; - info = fb->fbdev; - fb_helper = info->par; + info = fb_helper->fbdev; 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; + modeset->fb = fb_helper->fb; conn_count = 0; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { if (connector->encoder) @@ -891,7 +871,6 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev, } } fb_helper->crtc_count = crtc_count; - fb_helper->fb = fb; if (new_fb) { info->var.pixclock = 0; @@ -902,11 +881,13 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev, fb_dealloc_cmap(&info->cmap); return -EINVAL; } + + printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, + info->fix.id); + } 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 */ @@ -916,7 +897,9 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev, &paniced); register_sysrq_key('v', &sysrq_drm_fb_helper_restore_op); } - list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list); + if (new_fb) + list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list); + return 0; } EXPORT_SYMBOL(drm_fb_helper_single_fb_probe); @@ -931,7 +914,7 @@ void drm_fb_helper_free(struct drm_fb_helper *helper) unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op); } drm_fb_helper_crtc_free(helper); - fb_dealloc_cmap(&helper->fb->fbdev->cmap); + fb_dealloc_cmap(&helper->fbdev->cmap); } EXPORT_SYMBOL(drm_fb_helper_free); @@ -953,10 +936,11 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, } EXPORT_SYMBOL(drm_fb_helper_fill_fix); -void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb, +void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper, uint32_t fb_width, uint32_t fb_height) { - info->pseudo_palette = fb->pseudo_palette; + struct drm_framebuffer *fb = fb_helper->fb; + info->pseudo_palette = fb_helper->pseudo_palette; info->var.xres_virtual = fb->width; info->var.yres_virtual = fb->height; info->var.bits_per_pixel = fb->bits_per_pixel; @@ -1024,3 +1008,364 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb, info->var.yres = fb_height; } EXPORT_SYMBOL(drm_fb_helper_fill_var); + +static int drm_helper_probe_connector_modes(struct drm_device *dev, uint32_t maxX, + uint32_t maxY) +{ + struct drm_connector *connector; + int count = 0; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + count += connector->funcs->fill_modes(connector, maxX, maxY); + } + + return count; +} + +static struct drm_display_mode *drm_has_preferred_mode(struct drm_connector *connector, int width, int height) +{ + struct drm_display_mode *mode; + + list_for_each_entry(mode, &connector->modes, head) { + if (drm_mode_width(mode) > width || + drm_mode_height(mode) > height) + continue; + if (mode->type & DRM_MODE_TYPE_PREFERRED) + return mode; + } + return NULL; +} + +static bool drm_has_cmdline_mode(struct drm_connector *connector) +{ + struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private; + struct drm_fb_helper_cmdline_mode *cmdline_mode; + + if (!fb_help_conn) + return false; + + cmdline_mode = &fb_help_conn->cmdline_mode; + return cmdline_mode->specified; +} + +static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_connector *connector, int width, int height) +{ + struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private; + struct drm_fb_helper_cmdline_mode *cmdline_mode; + struct drm_display_mode *mode = NULL; + + if (!fb_help_conn) + return mode; + + cmdline_mode = &fb_help_conn->cmdline_mode; + if (cmdline_mode->specified == false) + return mode; + + /* attempt to find a matching mode in the list of modes + * we have gotten so far, if not add a CVT mode that conforms + */ + if (cmdline_mode->rb || cmdline_mode->margins) + goto create_mode; + + list_for_each_entry(mode, &connector->modes, head) { + /* check width/height */ + if (mode->hdisplay != cmdline_mode->xres || + mode->vdisplay != cmdline_mode->yres) + continue; + + if (cmdline_mode->refresh_specified) { + if (mode->vrefresh != cmdline_mode->refresh) + continue; + } + + if (cmdline_mode->interlace) { + if (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) + continue; + } + return mode; + } + +create_mode: + mode = drm_cvt_mode(connector->dev, cmdline_mode->xres, + cmdline_mode->yres, + cmdline_mode->refresh_specified ? cmdline_mode->refresh : 60, + cmdline_mode->rb, cmdline_mode->interlace, + cmdline_mode->margins); + drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); + list_add(&mode->head, &connector->modes); + return mode; +} + +static bool drm_connector_enabled(struct drm_connector *connector, bool strict) +{ + bool enable; + + if (strict) { + enable = connector->status == connector_status_connected; + } else { + enable = connector->status != connector_status_disconnected; + } + return enable; +} + +static void drm_enable_connectors(struct drm_device *dev, bool *enabled) +{ + bool any_enabled = false; + struct drm_connector *connector; + int i = 0; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + enabled[i] = drm_connector_enabled(connector, true); + DRM_DEBUG_KMS("connector %d enabled? %s\n", connector->base.id, + enabled[i] ? "yes" : "no"); + any_enabled |= enabled[i]; + i++; + } + + if (any_enabled) + return; + + i = 0; + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + enabled[i] = drm_connector_enabled(connector, false); + i++; + } +} + +static bool drm_target_preferred(struct drm_device *dev, + struct drm_display_mode **modes, + bool *enabled, int width, int height) +{ + struct drm_connector *connector; + int i = 0; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + + if (enabled[i] == false) { + i++; + continue; + } + + DRM_DEBUG_KMS("looking for cmdline mode on connector %d\n", + connector->base.id); + + /* got for command line mode first */ + modes[i] = drm_pick_cmdline_mode(connector, width, height); + if (!modes[i]) { + DRM_DEBUG_KMS("looking for preferred mode on connector %d\n", + connector->base.id); + modes[i] = drm_has_preferred_mode(connector, width, height); + } + /* No preferred modes, pick one off the list */ + if (!modes[i] && !list_empty(&connector->modes)) { + list_for_each_entry(modes[i], &connector->modes, head) + break; + } + DRM_DEBUG_KMS("found mode %s\n", modes[i] ? modes[i]->name : + "none"); + i++; + } + return true; +} + +static int drm_pick_crtcs(struct drm_device *dev, + struct drm_crtc **best_crtcs, + struct drm_display_mode **modes, + int n, int width, int height) +{ + int c, o; + struct drm_connector *connector; + struct drm_connector_helper_funcs *connector_funcs; + struct drm_encoder *encoder; + struct drm_crtc *best_crtc; + int my_score, best_score, score; + struct drm_crtc **crtcs, *crtc; + + if (n == dev->mode_config.num_connector) + return 0; + c = 0; + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + if (c == n) + break; + c++; + } + + best_crtcs[n] = NULL; + best_crtc = NULL; + best_score = drm_pick_crtcs(dev, best_crtcs, modes, n+1, width, height); + if (modes[n] == NULL) + return best_score; + + crtcs = kmalloc(dev->mode_config.num_connector * + sizeof(struct drm_crtc *), GFP_KERNEL); + if (!crtcs) + return best_score; + + my_score = 1; + if (connector->status == connector_status_connected) + my_score++; + if (drm_has_cmdline_mode(connector)) + my_score++; + if (drm_has_preferred_mode(connector, width, height)) + my_score++; + + connector_funcs = connector->helper_private; + encoder = connector_funcs->best_encoder(connector); + if (!encoder) + goto out; + + connector->encoder = encoder; + + /* select a crtc for this connector and then attempt to configure + remaining connectors */ + c = 0; + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + + if ((encoder->possible_crtcs & (1 << c)) == 0) { + c++; + continue; + } + + for (o = 0; o < n; o++) + if (best_crtcs[o] == crtc) + break; + + if (o < n) { + /* ignore cloning for now */ + c++; + continue; + } + + crtcs[n] = crtc; + memcpy(crtcs, best_crtcs, n * sizeof(struct drm_crtc *)); + score = my_score + drm_pick_crtcs(dev, crtcs, modes, n + 1, + width, height); + if (score > best_score) { + best_crtc = crtc; + best_score = score; + memcpy(best_crtcs, crtcs, + dev->mode_config.num_connector * + sizeof(struct drm_crtc *)); + } + c++; + } +out: + kfree(crtcs); + return best_score; +} + +static void drm_setup_crtcs(struct drm_device *dev) +{ + struct drm_crtc **crtcs; + struct drm_display_mode **modes; + struct drm_encoder *encoder; + struct drm_connector *connector; + bool *enabled; + int width, height; + int i, ret; + + DRM_DEBUG_KMS("\n"); + + width = dev->mode_config.max_width; + height = dev->mode_config.max_height; + + /* clean out all the encoder/crtc combos */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + encoder->crtc = NULL; + } + + crtcs = kcalloc(dev->mode_config.num_connector, + sizeof(struct drm_crtc *), GFP_KERNEL); + modes = kcalloc(dev->mode_config.num_connector, + sizeof(struct drm_display_mode *), GFP_KERNEL); + enabled = kcalloc(dev->mode_config.num_connector, + sizeof(bool), GFP_KERNEL); + + drm_enable_connectors(dev, enabled); + + ret = drm_target_preferred(dev, modes, enabled, width, height); + if (!ret) + DRM_ERROR("Unable to find initial modes\n"); + + DRM_DEBUG_KMS("picking CRTCs for %dx%d config\n", width, height); + + drm_pick_crtcs(dev, crtcs, modes, 0, width, height); + + i = 0; + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct drm_display_mode *mode = modes[i]; + struct drm_crtc *crtc = crtcs[i]; + + if (connector->encoder == NULL) { + i++; + continue; + } + + if (mode && crtc) { + DRM_DEBUG_KMS("desired mode %s set on crtc %d\n", + mode->name, crtc->base.id); + crtc->desired_mode = mode; + connector->encoder->crtc = crtc; + } else { + connector->encoder->crtc = NULL; + connector->encoder = NULL; + } + i++; + } + + kfree(crtcs); + kfree(modes); + kfree(enabled); +} + +/** + * drm_helper_initial_config - setup a sane initial connector configuration + * @dev: DRM device + * + * LOCKING: + * Called at init time, must take mode config lock. + * + * Scan the CRTCs and connectors and try to put together an initial setup. + * At the moment, this is a cloned configuration across all heads with + * a new framebuffer object as the backing store. + * + * RETURNS: + * Zero if everything went ok, nonzero otherwise. + */ +bool drm_helper_initial_config(struct drm_device *dev) +{ + int count = 0; + + /* disable all the possible outputs/crtcs before entering KMS mode */ + drm_helper_disable_unused_functions(dev); + + drm_fb_helper_parse_command_line(dev); + + count = drm_helper_probe_connector_modes(dev, + dev->mode_config.max_width, + dev->mode_config.max_height); + + /* + * we shouldn't end up with no modes here. + */ + if (count == 0) + printk(KERN_INFO "No connectors reported connected with modes\n"); + + drm_setup_crtcs(dev); + + return 0; +} +EXPORT_SYMBOL(drm_helper_initial_config); + +bool drm_helper_fb_hotplug_event(struct drm_device *dev) +{ + DRM_DEBUG_KMS("\n"); + + drm_helper_probe_connector_modes(dev, dev->mode_config.max_width, + dev->mode_config.max_height); + + drm_setup_crtcs(dev); + + return true; +} +EXPORT_SYMBOL(drm_helper_fb_hotplug_event); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 8bfc0bbf13e6..7c7d229ddde0 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1491,7 +1491,7 @@ static int i915_load_modeset_init(struct drm_device *dev, I915_WRITE(INSTPM, (1 << 5) | (1 << 21)); - drm_helper_initial_config(dev); + intel_fbdev_init(dev); return 0; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 979439cfb827..601f354e467e 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -220,6 +220,8 @@ enum no_fbc_reason { FBC_NOT_TILED, /* buffer not tiled */ }; +struct intel_kernel_fbdev; + typedef struct drm_i915_private { struct drm_device *dev; @@ -627,6 +629,8 @@ typedef struct drm_i915_private { u8 max_delay; enum no_fbc_reason no_fbc_reason; + + struct intel_kernel_fbdev *fbdev; } drm_i915_private_t; /** driver private structure attached to each drm_gem_object */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9cd6de5f9906..80577b8a368b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4506,10 +4506,6 @@ static void intel_setup_outputs(struct drm_device *dev) static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); - struct drm_device *dev = fb->dev; - - if (fb->fbdev) - intelfb_remove(dev, fb); drm_framebuffer_cleanup(fb); drm_gem_object_unreference_unlocked(intel_fb->obj); @@ -4532,18 +4528,13 @@ static const struct drm_framebuffer_funcs intel_fb_funcs = { .create_handle = intel_user_framebuffer_create_handle, }; -int intel_framebuffer_create(struct drm_device *dev, - struct drm_mode_fb_cmd *mode_cmd, - struct drm_framebuffer **fb, - struct drm_gem_object *obj) +int intel_framebuffer_init(struct drm_device *dev, + struct intel_framebuffer *intel_fb, + struct drm_mode_fb_cmd *mode_cmd, + struct drm_gem_object *obj) { - struct intel_framebuffer *intel_fb; int ret; - intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); - if (!intel_fb) - return -ENOMEM; - ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); if (ret) { DRM_ERROR("framebuffer init failed %d\n", ret); @@ -4551,40 +4542,40 @@ int intel_framebuffer_create(struct drm_device *dev, } drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); - intel_fb->obj = obj; - - *fb = &intel_fb->base; - return 0; } - static struct drm_framebuffer * intel_user_framebuffer_create(struct drm_device *dev, struct drm_file *filp, struct drm_mode_fb_cmd *mode_cmd) { struct drm_gem_object *obj; - struct drm_framebuffer *fb; + struct intel_framebuffer *intel_fb; int ret; obj = drm_gem_object_lookup(dev, filp, mode_cmd->handle); if (!obj) return NULL; - ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj); + intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); + if (!intel_fb) + return NULL; + + ret = intel_framebuffer_init(dev, intel_fb, + mode_cmd, obj); if (ret) { drm_gem_object_unreference_unlocked(obj); + kfree(intel_fb); return NULL; } - return fb; + return &intel_fb->base; } static const struct drm_mode_config_funcs intel_mode_funcs = { .fb_create = intel_user_framebuffer_create, - .fb_changed = intelfb_probe, }; static struct drm_gem_object * @@ -4924,6 +4915,8 @@ void intel_modeset_cleanup(struct drm_device *dev) mutex_lock(&dev->struct_mutex); + intel_fbdev_fini(dev); + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { /* Skip inactive CRTCs */ if (!crtc->fb) diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 3a467ca57857..9ffb9f2c9abd 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -200,9 +200,6 @@ extern void intel_release_load_detect_pipe(struct intel_output *intel_output, extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB); extern int intel_sdvo_supports_hotplug(struct drm_connector *connector); extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable); -extern int intelfb_probe(struct drm_device *dev); -extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); -extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc); extern void intelfb_restore(void); extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno); @@ -212,10 +209,12 @@ extern void intel_init_clock_gating(struct drm_device *dev); extern void ironlake_enable_drps(struct drm_device *dev); extern void ironlake_disable_drps(struct drm_device *dev); -extern int intel_framebuffer_create(struct drm_device *dev, - struct drm_mode_fb_cmd *mode_cmd, - struct drm_framebuffer **fb, - struct drm_gem_object *obj); +extern int intel_framebuffer_init(struct drm_device *dev, + struct intel_framebuffer *ifb, + struct drm_mode_fb_cmd *mode_cmd, + struct drm_gem_object *obj); +extern int intel_fbdev_init(struct drm_device *dev); +extern void intel_fbdev_fini(struct drm_device *dev); extern void intel_prepare_page_flip(struct drm_device *dev, int plane); extern void intel_finish_page_flip(struct drm_device *dev, int pipe); diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 8cd791dc5b29..b0de9bbde34a 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -45,9 +45,10 @@ #include "i915_drm.h" #include "i915_drv.h" -struct intelfb_par { +struct intel_kernel_fbdev { struct drm_fb_helper helper; - struct intel_framebuffer *intel_fb; + struct intel_framebuffer ifb; + struct list_head fbdev_list; struct drm_display_mode *our_mode; }; @@ -70,54 +71,12 @@ static struct drm_fb_helper_funcs intel_fb_helper_funcs = { }; -/** - * Currently it is assumed that the old framebuffer is reused. - * - * LOCKING - * caller should hold the mode config lock. - * - */ -int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc) +static int intelfb_create(struct drm_device *dev, + struct drm_fb_helper_surface_size *sizes, + struct intel_kernel_fbdev **ifbdev_p) { struct fb_info *info; - struct drm_framebuffer *fb; - struct drm_display_mode *mode = crtc->desired_mode; - - fb = crtc->fb; - if (!fb) - return 1; - - info = fb->fbdev; - if (!info) - return 1; - - if (!mode) - return 1; - - info->var.xres = mode->hdisplay; - info->var.right_margin = mode->hsync_start - mode->hdisplay; - info->var.hsync_len = mode->hsync_end - mode->hsync_start; - info->var.left_margin = mode->htotal - mode->hsync_end; - info->var.yres = mode->vdisplay; - info->var.lower_margin = mode->vsync_start - mode->vdisplay; - info->var.vsync_len = mode->vsync_end - mode->vsync_start; - info->var.upper_margin = mode->vtotal - mode->vsync_end; - info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100; - /* avoid overflow */ - info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; - - return 0; -} -EXPORT_SYMBOL(intelfb_resize); - -static int intelfb_create(struct drm_device *dev, uint32_t fb_width, - uint32_t fb_height, uint32_t surface_width, - uint32_t surface_height, - uint32_t surface_depth, uint32_t surface_bpp, - struct drm_framebuffer **fb_p) -{ - struct fb_info *info; - struct intelfb_par *par; + struct intel_kernel_fbdev *ifbdev; struct drm_framebuffer *fb; struct intel_framebuffer *intel_fb; struct drm_mode_fb_cmd mode_cmd; @@ -127,15 +86,15 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, int size, ret, mmio_bar = IS_I9XX(dev) ? 0 : 1; /* we don't do packed 24bpp */ - if (surface_bpp == 24) - surface_bpp = 32; + if (sizes->surface_bpp == 24) + sizes->surface_bpp = 32; - mode_cmd.width = surface_width; - mode_cmd.height = surface_height; + mode_cmd.width = sizes->surface_width; + mode_cmd.height = sizes->surface_height; - mode_cmd.bpp = surface_bpp; + mode_cmd.bpp = sizes->surface_bpp; mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64); - mode_cmd.depth = surface_depth; + mode_cmd.depth = sizes->surface_depth; size = mode_cmd.pitch * mode_cmd.height; size = ALIGN(size, PAGE_SIZE); @@ -158,28 +117,25 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, /* Flush everything out, we'll be doing GTT only from now on */ i915_gem_object_set_to_gtt_domain(fbo, 1); - ret = intel_framebuffer_create(dev, &mode_cmd, &fb, fbo); - if (ret) { - DRM_ERROR("failed to allocate fb.\n"); + info = framebuffer_alloc(sizeof(struct intel_kernel_fbdev), device); + if (!info) { + ret = -ENOMEM; goto out_unpin; } - list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list); + ifbdev = info->par; + intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, fbo); - intel_fb = to_intel_framebuffer(fb); - *fb_p = fb; + fb = &ifbdev->ifb.base; - info = framebuffer_alloc(sizeof(struct intelfb_par), device); - if (!info) { - ret = -ENOMEM; - goto out_unpin; - } + ifbdev->helper.fb = fb; + ifbdev->helper.fbdev = info; + ifbdev->helper.funcs = &intel_fb_helper_funcs; + ifbdev->helper.dev = dev; - par = info->par; + *ifbdev_p = ifbdev; - par->helper.funcs = &intel_fb_helper_funcs; - par->helper.dev = dev; - ret = drm_fb_helper_init_crtc_count(&par->helper, 2, + ret = drm_fb_helper_init_crtc_count(&ifbdev->helper, 2, INTELFB_CONN_LIMIT); if (ret) goto out_unref; @@ -214,7 +170,7 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, // memset(info->screen_base, 0, size); drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); - drm_fb_helper_fill_var(info, fb, fb_width, fb_height); + drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); /* FIXME: we really shouldn't expose mmio space at all */ info->fix.mmio_start = pci_resource_start(dev->pdev, mmio_bar); @@ -226,15 +182,11 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, info->pixmap.flags = FB_PIXMAP_SYSTEM; info->pixmap.scan_align = 1; - fb->fbdev = info; - - par->intel_fb = intel_fb; - - /* To allow resizeing without swapping buffers */ DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n", intel_fb->base.width, intel_fb->base.height, obj_priv->gtt_offset, fbo); + mutex_unlock(&dev->struct_mutex); vga_switcheroo_client_fb_set(dev->pdev, info); return 0; @@ -248,35 +200,76 @@ out: return ret; } -int intelfb_probe(struct drm_device *dev) +static int intel_fb_find_or_create_single(struct drm_device *dev, + struct drm_fb_helper_surface_size *sizes, + struct drm_fb_helper **fb_ptr) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + struct intel_kernel_fbdev *ifbdev = NULL; + int new_fb = 0; + int ret; + + if (!dev_priv->fbdev) { + ret = intelfb_create(dev, sizes, + &ifbdev); + if (ret) + return ret; + + dev_priv->fbdev = ifbdev; + new_fb = 1; + } else { + ifbdev = dev_priv->fbdev; + if (ifbdev->ifb.base.width < sizes->surface_width || + ifbdev->ifb.base.height < sizes->surface_height) { + DRM_ERROR("Framebuffer not large enough to scale console onto.\n"); + return -EINVAL; + } + } + + *fb_ptr = &ifbdev->helper; + return new_fb; +} + +static int intelfb_probe(struct drm_device *dev) { int ret; DRM_DEBUG_KMS("\n"); - ret = drm_fb_helper_single_fb_probe(dev, 32, intelfb_create); + ret = drm_fb_helper_single_fb_probe(dev, 32, intel_fb_find_or_create_single); return ret; } -EXPORT_SYMBOL(intelfb_probe); -int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) +int intel_fbdev_destroy(struct drm_device *dev, + struct intel_kernel_fbdev *ifbdev) { struct fb_info *info; + struct intel_framebuffer *ifb = &ifbdev->ifb; - if (!fb) - return -EINVAL; + info = ifbdev->helper.fbdev; - info = fb->fbdev; + unregister_framebuffer(info); + iounmap(info->screen_base); + drm_fb_helper_free(&ifbdev->helper); - 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); - } + drm_framebuffer_cleanup(&ifb->base); + drm_gem_object_unreference_unlocked(ifb->obj); + + framebuffer_release(info); return 0; } -EXPORT_SYMBOL(intelfb_remove); + +int intel_fbdev_init(struct drm_device *dev) +{ + drm_helper_initial_config(dev); + intelfb_probe(dev); + return 0; +} + +void intel_fbdev_fini(struct drm_device *dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + intel_fbdev_destroy(dev, dev_priv->fbdev); + dev_priv->fbdev = NULL; +} MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index cf1c5c0a0abe..9d7928f40fdf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -34,10 +34,6 @@ static void nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) { struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); - struct drm_device *dev = drm_fb->dev; - - if (drm_fb->fbdev) - nouveau_fbcon_remove(dev, drm_fb); if (fb->nvbo) drm_gem_object_unreference_unlocked(fb->nvbo->gem); @@ -61,27 +57,20 @@ static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { .create_handle = nouveau_user_framebuffer_create_handle, }; -struct drm_framebuffer * -nouveau_framebuffer_create(struct drm_device *dev, struct nouveau_bo *nvbo, - struct drm_mode_fb_cmd *mode_cmd) +int +nouveau_framebuffer_init(struct drm_device *dev, struct nouveau_framebuffer *nouveau_fb, + struct drm_mode_fb_cmd *mode_cmd, struct nouveau_bo *nvbo) { - struct nouveau_framebuffer *fb; int ret; - fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); - if (!fb) - return NULL; - - ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs); + ret = drm_framebuffer_init(dev, &nouveau_fb->base, &nouveau_framebuffer_funcs); if (ret) { - kfree(fb); - return NULL; + return ret; } - drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd); - - fb->nvbo = nvbo; - return &fb->base; + drm_helper_mode_fill_fb_struct(&nouveau_fb->base, mode_cmd); + nouveau_fb->nvbo = nvbo; + return 0; } static struct drm_framebuffer * @@ -89,24 +78,28 @@ nouveau_user_framebuffer_create(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd) { - struct drm_framebuffer *fb; + struct nouveau_framebuffer *nouveau_fb; struct drm_gem_object *gem; + int ret; gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle); if (!gem) return NULL; - fb = nouveau_framebuffer_create(dev, nouveau_gem_object(gem), mode_cmd); - if (!fb) { + nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); + if (!nouveau_fb) + return NULL; + + ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); + if (ret) { drm_gem_object_unreference(gem); return NULL; } - return fb; + return &nouveau_fb->base; } const struct drm_mode_config_funcs nouveau_mode_config_funcs = { .fb_create = nouveau_user_framebuffer_create, - .fb_changed = nouveau_fbcon_probe, }; diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index 1de974acbc65..c6079e36669d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -153,7 +153,6 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state) struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; struct nouveau_channel *chan; struct drm_crtc *crtc; - uint32_t fbdev_flags; int ret, i; if (!drm_core_check_feature(dev, DRIVER_MODESET)) @@ -163,8 +162,7 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state) return 0; NV_INFO(dev, "Disabling fbcon acceleration...\n"); - fbdev_flags = dev_priv->fbdev_info->flags; - dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED; + nouveau_fbcon_save_disable_accel(dev); NV_INFO(dev, "Unpinning framebuffer(s)...\n"); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { @@ -230,9 +228,9 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state) } acquire_console_sem(); - fb_set_suspend(dev_priv->fbdev_info, 1); + nouveau_fbcon_set_suspend(dev, 1); release_console_sem(); - dev_priv->fbdev_info->flags = fbdev_flags; + nouveau_fbcon_restore_accel(dev); return 0; out_abort: @@ -250,14 +248,12 @@ nouveau_pci_resume(struct pci_dev *pdev) struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_engine *engine = &dev_priv->engine; struct drm_crtc *crtc; - uint32_t fbdev_flags; int ret, i; if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -ENODEV; - fbdev_flags = dev_priv->fbdev_info->flags; - dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED; + nouveau_fbcon_save_disable_accel(dev); NV_INFO(dev, "We're back, enabling device...\n"); pci_set_power_state(pdev, PCI_D0); @@ -332,13 +328,14 @@ nouveau_pci_resume(struct pci_dev *pdev) } acquire_console_sem(); - fb_set_suspend(dev_priv->fbdev_info, 0); + nouveau_fbcon_set_suspend(dev, 0); release_console_sem(); - nouveau_fbcon_zfill(dev); + nouveau_fbcon_zfill_all(dev); drm_helper_resume_force_mode(dev); - dev_priv->fbdev_info->flags = fbdev_flags; + + nouveau_fbcon_restore_accel(dev); return 0; } diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index d8b559011777..93459e07e829 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -531,8 +531,6 @@ struct drm_nouveau_private { atomic_t validate_sequence; } ttm; - struct fb_info *fbdev_info; - int fifo_alloc_count; struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR]; @@ -628,6 +626,8 @@ struct drm_nouveau_private { struct { struct dentry *channel_root; } debugfs; + + struct nouveau_fbcon_par *nfbdev; }; static inline struct drm_nouveau_private * diff --git a/drivers/gpu/drm/nouveau/nouveau_fb.h b/drivers/gpu/drm/nouveau/nouveau_fb.h index 4a3f31aa1949..d432134b71e0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fb.h +++ b/drivers/gpu/drm/nouveau/nouveau_fb.h @@ -40,8 +40,6 @@ nouveau_framebuffer(struct drm_framebuffer *fb) extern const struct drm_mode_config_funcs nouveau_mode_config_funcs; -struct drm_framebuffer * -nouveau_framebuffer_create(struct drm_device *, struct nouveau_bo *, - struct drm_mode_fb_cmd *); - +int nouveau_framebuffer_init(struct drm_device *dev, struct nouveau_framebuffer *nouveau_fb, + struct drm_mode_fb_cmd *mode_cmd, struct nouveau_bo *nvbo); #endif /* __NOUVEAU_FB_H__ */ diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 68cedd9194fe..712ee42e3cf8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -199,11 +199,10 @@ not_fb: } #endif -void -nouveau_fbcon_zfill(struct drm_device *dev) +static void +nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbcon_par *fbpar) { - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct fb_info *info = dev_priv->fbdev_info; + struct fb_info *info = fbpar->helper.fbdev; struct fb_fillrect rect; /* Clear the entire fbcon. The drm will program every connector @@ -219,10 +218,9 @@ nouveau_fbcon_zfill(struct drm_device *dev) } static int -nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width, - uint32_t fb_height, uint32_t surface_width, - uint32_t surface_height, uint32_t surface_depth, - uint32_t surface_bpp, struct drm_framebuffer **pfb) +nouveau_fbcon_create(struct drm_device *dev, + struct drm_fb_helper_surface_size *sizes, + struct nouveau_fbcon_par **fbpar_p) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct fb_info *info; @@ -234,13 +232,13 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width, struct device *device = &dev->pdev->dev; int size, ret; - mode_cmd.width = surface_width; - mode_cmd.height = surface_height; + mode_cmd.width = sizes->surface_width; + mode_cmd.height = sizes->surface_height; - mode_cmd.bpp = surface_bpp; + mode_cmd.bpp = sizes->surface_bpp; mode_cmd.pitch = mode_cmd.width * (mode_cmd.bpp >> 3); mode_cmd.pitch = roundup(mode_cmd.pitch, 256); - mode_cmd.depth = surface_depth; + mode_cmd.depth = sizes->surface_depth; size = mode_cmd.pitch * mode_cmd.height; size = roundup(size, PAGE_SIZE); @@ -269,18 +267,6 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width, mutex_lock(&dev->struct_mutex); - fb = nouveau_framebuffer_create(dev, nvbo, &mode_cmd); - if (!fb) { - ret = -ENOMEM; - NV_ERROR(dev, "failed to allocate fb.\n"); - goto out_unref; - } - - list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list); - - nouveau_fb = nouveau_framebuffer(fb); - *pfb = fb; - info = framebuffer_alloc(sizeof(struct nouveau_fbcon_par), device); if (!info) { ret = -ENOMEM; @@ -288,12 +274,20 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width, } par = info->par; + nouveau_framebuffer_init(dev, &par->nouveau_fb, &mode_cmd, nvbo); + + fb = &par->nouveau_fb.base; + /* setup helper */ + par->helper.fb = fb; + par->helper.fbdev = info; par->helper.funcs = &nouveau_fbcon_helper_funcs; par->helper.dev = dev; + + *fbpar_p = par; + ret = drm_fb_helper_init_crtc_count(&par->helper, 2, 4); if (ret) goto out_unref; - dev_priv->fbdev_info = info; strcpy(info->fix.id, "nouveaufb"); if (nouveau_nofbaccel) @@ -311,7 +305,7 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width, info->screen_size = size; drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); - drm_fb_helper_fill_var(info, fb, fb_width, fb_height); + drm_fb_helper_fill_var(info, &par->helper, sizes->fb_width, sizes->fb_height); /* FIXME: we really shouldn't expose mmio space at all */ info->fix.mmio_start = pci_resource_start(dev->pdev, 1); @@ -344,9 +338,6 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width, info->pixmap.flags = FB_PIXMAP_SYSTEM; info->pixmap.scan_align = 1; - fb->fbdev = info; - - par->nouveau_fb = nouveau_fb; par->dev = dev; if (dev_priv->channel && !nouveau_nofbaccel) { @@ -362,7 +353,7 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width, }; } - nouveau_fbcon_zfill(dev); + nouveau_fbcon_zfill(dev, par); /* To allow resizeing without swapping buffers */ NV_INFO(dev, "allocated %dx%d fb: 0x%lx, bo %p\n", @@ -380,35 +371,59 @@ out: return ret; } -int +static int +nouveau_fbcon_find_or_create_single(struct drm_device *dev, + struct drm_fb_helper_surface_size *sizes, + struct drm_fb_helper **fb_ptr) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fbcon_par *fbpar; + int new_fb = 0; + int ret; + + if (!dev_priv->nfbdev) { + ret = nouveau_fbcon_create(dev, sizes, + &fbpar); + if (ret) + return ret; + dev_priv->nfbdev = fbpar; + new_fb = 1; + } else { + fbpar = dev_priv->nfbdev; + if (fbpar->nouveau_fb.base.width < sizes->surface_width || + fbpar->nouveau_fb.base.height < sizes->surface_height) { + DRM_ERROR("Framebuffer not large enough to scale console onto.\n"); + return -EINVAL; + } + } + *fb_ptr = &fbpar->helper; + return new_fb; +} + +static int nouveau_fbcon_probe(struct drm_device *dev) { NV_DEBUG_KMS(dev, "\n"); - return drm_fb_helper_single_fb_probe(dev, 32, nouveau_fbcon_create); + return drm_fb_helper_single_fb_probe(dev, 32, nouveau_fbcon_find_or_create_single); } int -nouveau_fbcon_remove(struct drm_device *dev, struct drm_framebuffer *fb) +nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbcon_par *fbpar) { - struct nouveau_framebuffer *nouveau_fb = nouveau_framebuffer(fb); + struct nouveau_framebuffer *nouveau_fb = &fbpar->nouveau_fb; struct fb_info *info; - if (!fb) - return -EINVAL; + info = fbpar->helper.fbdev; - info = fb->fbdev; - if (info) { - struct nouveau_fbcon_par *par = info->par; + unregister_framebuffer(info); + nouveau_bo_unmap(nouveau_fb->nvbo); + drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem); + nouveau_fb->nvbo = NULL; + drm_fb_helper_free(&fbpar->helper); - unregister_framebuffer(info); - nouveau_bo_unmap(nouveau_fb->nvbo); - drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem); - nouveau_fb->nvbo = NULL; - if (par) - drm_fb_helper_free(&par->helper); - framebuffer_release(info); - } + drm_framebuffer_cleanup(&nouveau_fb->base); + framebuffer_release(info); return 0; } @@ -421,3 +436,43 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info) NV_ERROR(dev, "GPU lockup - switching to software fbcon\n"); info->flags |= FBINFO_HWACCEL_DISABLED; } + +int nouveau_fbcon_init(struct drm_device *dev) +{ + drm_helper_initial_config(dev); + nouveau_fbcon_probe(dev); + return 0; +} + +void nouveau_fbcon_fini(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + nouveau_fbcon_destroy(dev, dev_priv->nfbdev); + dev_priv->nfbdev = NULL; +} + +void nouveau_fbcon_save_disable_accel(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + dev_priv->nfbdev->saved_flags = dev_priv->nfbdev->helper.fbdev->flags; + dev_priv->nfbdev->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; +} + +void nouveau_fbcon_restore_accel(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + dev_priv->nfbdev->helper.fbdev->flags = dev_priv->nfbdev->saved_flags; +} + +void nouveau_fbcon_set_suspend(struct drm_device *dev, int state) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + fb_set_suspend(dev_priv->nfbdev->helper.fbdev, state); +} + +void nouveau_fbcon_zfill_all(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + nouveau_fbcon_zfill(dev, dev_priv->nfbdev); +} diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.h b/drivers/gpu/drm/nouveau/nouveau_fbcon.h index f9c34e1a8c11..fa66cb9fa4d4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.h +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.h @@ -29,16 +29,16 @@ #include "drm_fb_helper.h" +#include "nouveau_fb.h" struct nouveau_fbcon_par { struct drm_fb_helper helper; + struct nouveau_framebuffer nouveau_fb; + struct list_head fbdev_list; struct drm_device *dev; - struct nouveau_framebuffer *nouveau_fb; + unsigned int saved_flags; }; -int nouveau_fbcon_probe(struct drm_device *dev); -int nouveau_fbcon_remove(struct drm_device *dev, struct drm_framebuffer *fb); void nouveau_fbcon_restore(void); -void nouveau_fbcon_zfill(struct drm_device *dev); void nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region); void nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect); @@ -50,5 +50,12 @@ void nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image); int nv50_fbcon_accel_init(struct fb_info *info); void nouveau_fbcon_gpu_lockup(struct fb_info *info); + +int nouveau_fbcon_init(struct drm_device *dev); +void nouveau_fbcon_fini(struct drm_device *dev); +void nouveau_fbcon_set_suspend(struct drm_device *dev, int state); +void nouveau_fbcon_zfill_all(struct drm_device *dev); +void nouveau_fbcon_save_disable_accel(struct drm_device *dev); +void nouveau_fbcon_restore_accel(struct drm_device *dev); #endif /* __NV50_FBCON_H__ */ diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 2bd59a92fee5..0aa08b3be375 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -1203,7 +1203,7 @@ nouveau_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *)arg; struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t status, fbdev_flags = 0; + uint32_t status; unsigned long flags; status = nv_rd32(dev, NV03_PMC_INTR_0); @@ -1212,11 +1212,6 @@ nouveau_irq_handler(DRM_IRQ_ARGS) spin_lock_irqsave(&dev_priv->context_switch_lock, flags); - if (dev_priv->fbdev_info) { - fbdev_flags = dev_priv->fbdev_info->flags; - dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED; - } - if (status & NV_PMC_INTR_0_PFIFO_PENDING) { nouveau_fifo_irq_handler(dev); status &= ~NV_PMC_INTR_0_PFIFO_PENDING; @@ -1246,9 +1241,6 @@ nouveau_irq_handler(DRM_IRQ_ARGS) if (status) NV_ERROR(dev, "Unhandled PMC INTR status bits 0x%08x\n", status); - if (dev_priv->fbdev_info) - dev_priv->fbdev_info->flags = fbdev_flags; - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); return IRQ_HANDLED; diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 58b46807de23..23e67bf0898c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -33,6 +33,7 @@ #include "nouveau_drv.h" #include "nouveau_drm.h" +#include "nouveau_fbcon.h" #include "nv50_display.h" static void nouveau_stub_takedown(struct drm_device *dev) {} @@ -511,7 +512,7 @@ nouveau_card_init(struct drm_device *dev) dev_priv->init_state = NOUVEAU_CARD_INIT_DONE; if (drm_core_check_feature(dev, DRIVER_MODESET)) - drm_helper_initial_config(dev); + nouveau_fbcon_init(dev); return 0; @@ -552,6 +553,7 @@ static void nouveau_card_takedown(struct drm_device *dev) NV_DEBUG(dev, "prev state = %d\n", dev_priv->init_state); if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) { + nouveau_backlight_exit(dev); if (dev_priv->channel) { @@ -783,6 +785,7 @@ int nouveau_unload(struct drm_device *dev) struct drm_nouveau_private *dev_priv = dev->dev_private; if (drm_core_check_feature(dev, DRIVER_MODESET)) { + nouveau_fbcon_fini(dev); if (dev_priv->card_type >= NV_50) nv50_display_destroy(dev); else diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 034218c3dbbb..4f50807ae0a5 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -927,9 +927,6 @@ struct radeon_device { bool is_atom_bios; uint16_t bios_header_start; struct radeon_bo *stollen_vga_memory; - struct fb_info *fbdev_info; - struct radeon_bo *fbdev_rbo; - struct radeon_framebuffer *fbdev_rfb; /* Register mmio */ resource_size_t rmmio_base; resource_size_t rmmio_size; diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 60ec47b71642..90e8883494ad 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -676,9 +676,10 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) continue; } robj = rfb->obj->driver_private; - if (robj != rdev->fbdev_rbo) { + /* don't unpin kernel fb objects */ + if (!radeon_fbdev_robj_is_fb(rdev, robj)) { r = radeon_bo_reserve(robj, false); - if (unlikely(r == 0)) { + if (r == 0) { radeon_bo_unpin(robj); radeon_bo_unreserve(robj); } @@ -703,7 +704,7 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) pci_set_power_state(dev->pdev, PCI_D3hot); } acquire_console_sem(); - fb_set_suspend(rdev->fbdev_info, 1); + radeon_fbdev_set_suspend(rdev, 1); release_console_sem(); return 0; } @@ -727,7 +728,7 @@ int radeon_resume_kms(struct drm_device *dev) radeon_agp_resume(rdev); radeon_resume(rdev); radeon_restore_bios_scratch_regs(rdev); - fb_set_suspend(rdev->fbdev_info, 0); + radeon_fbdev_set_suspend(rdev, 0); release_console_sem(); /* reset hpd state */ diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index b8d672828246..243c1c4bc836 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -831,10 +831,6 @@ void radeon_compute_pll(struct radeon_pll *pll, static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); - struct drm_device *dev = fb->dev; - - if (fb->fbdev) - radeonfb_remove(dev, fb); if (radeon_fb->obj) drm_gem_object_unreference_unlocked(radeon_fb->obj); @@ -856,21 +852,15 @@ static const struct drm_framebuffer_funcs radeon_fb_funcs = { .create_handle = radeon_user_framebuffer_create_handle, }; -struct drm_framebuffer * -radeon_framebuffer_create(struct drm_device *dev, - struct drm_mode_fb_cmd *mode_cmd, - struct drm_gem_object *obj) +void +radeon_framebuffer_init(struct drm_device *dev, + struct radeon_framebuffer *rfb, + struct drm_mode_fb_cmd *mode_cmd, + struct drm_gem_object *obj) { - struct radeon_framebuffer *radeon_fb; - - radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL); - if (radeon_fb == NULL) { - return NULL; - } - drm_framebuffer_init(dev, &radeon_fb->base, &radeon_fb_funcs); - drm_helper_mode_fill_fb_struct(&radeon_fb->base, mode_cmd); - radeon_fb->obj = obj; - return &radeon_fb->base; + rfb->obj = obj; + drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs); + drm_helper_mode_fill_fb_struct(&rfb->base, mode_cmd); } static struct drm_framebuffer * @@ -879,6 +869,7 @@ radeon_user_framebuffer_create(struct drm_device *dev, struct drm_mode_fb_cmd *mode_cmd) { struct drm_gem_object *obj; + struct radeon_framebuffer *radeon_fb; obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle); if (obj == NULL) { @@ -886,12 +877,19 @@ radeon_user_framebuffer_create(struct drm_device *dev, "can't create framebuffer\n", mode_cmd->handle); return NULL; } - return radeon_framebuffer_create(dev, mode_cmd, obj); + + radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL); + if (radeon_fb == NULL) { + return NULL; + } + + radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj); + + return &radeon_fb->base; } static const struct drm_mode_config_funcs radeon_mode_funcs = { .fb_create = radeon_user_framebuffer_create, - .fb_changed = radeonfb_probe, }; struct drm_prop_enum_list { @@ -1031,12 +1029,14 @@ int radeon_modeset_init(struct radeon_device *rdev) } /* initialize hpd */ radeon_hpd_init(rdev); - drm_helper_initial_config(rdev->ddev); + + radeon_fbdev_init(rdev); return 0; } void radeon_modeset_fini(struct radeon_device *rdev) { + radeon_fbdev_fini(rdev); kfree(rdev->mode_info.bios_hardcoded_edid); if (rdev->mode_info.mode_config_initialized) { diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index 8fccbf29235e..a7e4c2a89ee0 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -41,10 +41,15 @@ #include <linux/vga_switcheroo.h> -struct radeon_fb_device { +/* object hierarchy - + this contains a helper + a radeon fb + the helper contains a pointer to radeon framebuffer baseclass. +*/ +struct radeon_kernel_fbdev { struct drm_fb_helper helper; - struct radeon_framebuffer *rfb; - struct radeon_device *rdev; + struct radeon_framebuffer rfb; + struct list_head fbdev_list; + struct radeon_device *rdev; }; static struct fb_ops radeonfb_ops = { @@ -60,45 +65,6 @@ static struct fb_ops radeonfb_ops = { .fb_setcmap = drm_fb_helper_setcmap, }; -/** - * Currently it is assumed that the old framebuffer is reused. - * - * LOCKING - * caller should hold the mode config lock. - * - */ -int radeonfb_resize(struct drm_device *dev, struct drm_crtc *crtc) -{ - struct fb_info *info; - struct drm_framebuffer *fb; - struct drm_display_mode *mode = crtc->desired_mode; - - fb = crtc->fb; - if (fb == NULL) { - return 1; - } - info = fb->fbdev; - if (info == NULL) { - return 1; - } - if (mode == NULL) { - return 1; - } - info->var.xres = mode->hdisplay; - info->var.right_margin = mode->hsync_start - mode->hdisplay; - info->var.hsync_len = mode->hsync_end - mode->hsync_start; - info->var.left_margin = mode->htotal - mode->hsync_end; - info->var.yres = mode->vdisplay; - info->var.lower_margin = mode->vsync_start - mode->vdisplay; - info->var.vsync_len = mode->vsync_end - mode->vsync_start; - info->var.upper_margin = mode->vtotal - mode->vsync_end; - info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100; - /* avoid overflow */ - info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; - - return 0; -} -EXPORT_SYMBOL(radeonfb_resize); static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled) { @@ -129,17 +95,14 @@ static struct drm_fb_helper_funcs radeon_fb_helper_funcs = { .gamma_get = radeon_crtc_fb_gamma_get, }; -int radeonfb_create(struct drm_device *dev, - uint32_t fb_width, uint32_t fb_height, - uint32_t surface_width, uint32_t surface_height, - uint32_t surface_depth, uint32_t surface_bpp, - struct drm_framebuffer **fb_p) +static int radeonfb_create(struct drm_device *dev, + struct drm_fb_helper_surface_size *sizes, + struct radeon_kernel_fbdev **rfbdev_p) { struct radeon_device *rdev = dev->dev_private; struct fb_info *info; - struct radeon_fb_device *rfbdev; + struct radeon_kernel_fbdev *rfbdev; struct drm_framebuffer *fb = NULL; - struct radeon_framebuffer *rfb; struct drm_mode_fb_cmd mode_cmd; struct drm_gem_object *gobj = NULL; struct radeon_bo *rbo = NULL; @@ -151,17 +114,17 @@ int radeonfb_create(struct drm_device *dev, bool fb_tiled = false; /* useful for testing */ u32 tiling_flags = 0; - mode_cmd.width = surface_width; - mode_cmd.height = surface_height; + mode_cmd.width = sizes->surface_width; + mode_cmd.height = sizes->surface_height; /* avivo can't scanout real 24bpp */ - if ((surface_bpp == 24) && ASIC_IS_AVIVO(rdev)) - surface_bpp = 32; + if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev)) + sizes->surface_bpp = 32; - mode_cmd.bpp = surface_bpp; + mode_cmd.bpp = sizes->surface_bpp; /* need to align pitch with crtc limits */ mode_cmd.pitch = radeon_align_pitch(rdev, mode_cmd.width, mode_cmd.bpp, fb_tiled) * ((mode_cmd.bpp + 1) / 8); - mode_cmd.depth = surface_depth; + mode_cmd.depth = sizes->surface_depth; size = mode_cmd.pitch * mode_cmd.height; aligned_size = ALIGN(size, PAGE_SIZE); @@ -172,7 +135,7 @@ int radeonfb_create(struct drm_device *dev, &gobj); if (ret) { printk(KERN_ERR "failed to allocate framebuffer (%d %d)\n", - surface_width, surface_height); + sizes->surface_width, sizes->surface_height); ret = -ENOMEM; goto out; } @@ -201,12 +164,7 @@ int radeonfb_create(struct drm_device *dev, dev_err(rdev->dev, "FB failed to set tiling flags\n"); } mutex_lock(&rdev->ddev->struct_mutex); - fb = radeon_framebuffer_create(rdev->ddev, &mode_cmd, gobj); - if (fb == NULL) { - DRM_ERROR("failed to allocate fb.\n"); - ret = -ENOMEM; - goto out_unref; - } + ret = radeon_bo_reserve(rbo, false); if (unlikely(ret != 0)) goto out_unref; @@ -223,23 +181,25 @@ int radeonfb_create(struct drm_device *dev, goto out_unref; } - list_add(&fb->filp_head, &rdev->ddev->mode_config.fb_kernel_list); - - *fb_p = fb; - rfb = to_radeon_framebuffer(fb); - rdev->fbdev_rfb = rfb; - rdev->fbdev_rbo = rbo; - - info = framebuffer_alloc(sizeof(struct radeon_fb_device), device); + info = framebuffer_alloc(sizeof(struct radeon_kernel_fbdev), device); if (info == NULL) { ret = -ENOMEM; goto out_unref; } - rdev->fbdev_info = info; rfbdev = info->par; + rfbdev->rdev = rdev; + radeon_framebuffer_init(dev, &rfbdev->rfb, &mode_cmd, gobj); + fb = &rfbdev->rfb.base; + + /* setup helper */ + rfbdev->helper.fb = fb; + rfbdev->helper.fbdev = info; rfbdev->helper.funcs = &radeon_fb_helper_funcs; rfbdev->helper.dev = dev; + + *rfbdev_p = rfbdev; + ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, rdev->num_crtc, RADEONFB_CONN_LIMIT); if (ret) @@ -260,7 +220,7 @@ int radeonfb_create(struct drm_device *dev, info->screen_base = fbptr; info->screen_size = size; - drm_fb_helper_fill_var(info, fb, fb_width, fb_height); + drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height); /* setup aperture base/size for vesafb takeover */ info->aperture_base = rdev->ddev->mode_config.fb_base; @@ -283,9 +243,6 @@ int radeonfb_create(struct drm_device *dev, DRM_INFO("fb depth is %d\n", fb->depth); DRM_INFO(" pitch is %d\n", fb->pitch); - fb->fbdev = info; - rfbdev->rfb = rfb; - rfbdev->rdev = rdev; mutex_unlock(&rdev->ddev->struct_mutex); vga_switcheroo_client_fb_set(rdev->ddev->pdev, info); @@ -300,7 +257,6 @@ out_unref: } } if (fb && ret) { - list_del(&fb->filp_head); drm_gem_object_unreference(gobj); drm_framebuffer_cleanup(fb); kfree(fb); @@ -311,6 +267,35 @@ out: return ret; } +static int radeon_fb_find_or_create_single(struct drm_device *dev, + struct drm_fb_helper_surface_size *sizes, + struct drm_fb_helper **fb_ptr) +{ + struct radeon_device *rdev = dev->dev_private; + struct radeon_kernel_fbdev *rfbdev = NULL; + int new_fb = 0; + int ret; + + if (!rdev->mode_info.rfbdev) { + ret = radeonfb_create(dev, sizes, + &rfbdev); + if (ret) + return ret; + rdev->mode_info.rfbdev = rfbdev; + new_fb = 1; + } else { + rfbdev = rdev->mode_info.rfbdev; + if (rfbdev->rfb.base.width < sizes->surface_width || + rfbdev->rfb.base.height < sizes->surface_height) { + DRM_ERROR("Framebuffer not large enough to scale console onto.\n"); + return -EINVAL; + } + } + + *fb_ptr = &rfbdev->helper; + return new_fb; +} + static char *mode_option; int radeon_parse_options(char *options) { @@ -327,7 +312,7 @@ int radeon_parse_options(char *options) return 0; } -int radeonfb_probe(struct drm_device *dev) +static int radeonfb_probe(struct drm_device *dev) { struct radeon_device *rdev = dev->dev_private; int bpp_sel = 32; @@ -336,37 +321,76 @@ int radeonfb_probe(struct drm_device *dev) if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024)) bpp_sel = 8; - return drm_fb_helper_single_fb_probe(dev, bpp_sel, &radeonfb_create); + return drm_fb_helper_single_fb_probe(dev, bpp_sel, &radeon_fb_find_or_create_single); +} + +void radeonfb_hotplug(struct drm_device *dev) +{ + drm_helper_fb_hotplug_event(dev); + + radeonfb_probe(dev); } -int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) +static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_kernel_fbdev *rfbdev) { struct fb_info *info; - struct radeon_framebuffer *rfb = to_radeon_framebuffer(fb); + struct radeon_framebuffer *rfb = &rfbdev->rfb; struct radeon_bo *rbo; int r; - if (!fb) { - return -EINVAL; - } - info = fb->fbdev; - if (info) { - struct radeon_fb_device *rfbdev = info->par; - rbo = rfb->obj->driver_private; - unregister_framebuffer(info); - r = radeon_bo_reserve(rbo, false); - if (likely(r == 0)) { - radeon_bo_kunmap(rbo); - radeon_bo_unpin(rbo); - radeon_bo_unreserve(rbo); - } - drm_fb_helper_free(&rfbdev->helper); - framebuffer_release(info); + rbo = rfb->obj->driver_private; + info = rfbdev->helper.fbdev; + unregister_framebuffer(info); + r = radeon_bo_reserve(rbo, false); + if (likely(r == 0)) { + radeon_bo_kunmap(rbo); + radeon_bo_unpin(rbo); + radeon_bo_unreserve(rbo); } - printk(KERN_INFO "unregistered panic notifier\n"); + drm_fb_helper_free(&rfbdev->helper); + drm_framebuffer_cleanup(&rfb->base); + if (rfb->obj) + drm_gem_object_unreference_unlocked(rfb->obj); + + framebuffer_release(info); return 0; } -EXPORT_SYMBOL(radeonfb_remove); MODULE_LICENSE("GPL"); + +int radeon_fbdev_init(struct radeon_device *rdev) +{ + drm_helper_initial_config(rdev->ddev); + radeonfb_probe(rdev->ddev); + return 0; +} + +void radeon_fbdev_fini(struct radeon_device *rdev) +{ + radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev); + rdev->mode_info.rfbdev = NULL; +} + +void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state) +{ + fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state); +} + +int radeon_fbdev_total_size(struct radeon_device *rdev) +{ + struct radeon_bo *robj; + int size = 0; + + robj = rdev->mode_info.rfbdev->rfb.obj->driver_private; + size += radeon_bo_size(robj); + return size; +} + +bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj) +{ + if (robj == rdev->mode_info.rfbdev->rfb.obj->driver_private) + return true; + return false; +} + diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index ef92d147d8f0..28dd3e1b9c3a 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -158,8 +158,7 @@ int radeon_gem_info_ioctl(struct drm_device *dev, void *data, args->vram_visible = rdev->mc.real_vram_size; if (rdev->stollen_vga_memory) args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory); - if (rdev->fbdev_rbo) - args->vram_visible -= radeon_bo_size(rdev->fbdev_rbo); + args->vram_visible -= radeon_fbdev_total_size(rdev); args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 - RADEON_IB_POOL_SIZE*64*1024; return 0; diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index a212041e8b0b..e7afd80a3d69 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -55,6 +55,8 @@ static void radeon_hotplug_work_func(struct work_struct *work) radeon_connector_hotplug(connector); } /* Just fire off a uevent and let userspace tell us what to do */ + radeonfb_hotplug(dev); + drm_sysfs_hotplug_event(dev); } diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 0b8e32776b10..1e9138bf5592 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -39,6 +39,7 @@ #include <linux/i2c-algo-bit.h> #include "radeon_fixed.h" +struct radeon_bo; struct radeon_device; #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base) @@ -202,6 +203,8 @@ enum radeon_dvo_chip { DVO_SIL1178, }; +struct radeon_kernel_fbdev; + struct radeon_mode_info { struct atom_context *atom_context; struct card_info *atom_card_info; @@ -218,6 +221,9 @@ struct radeon_mode_info { struct drm_property *tmds_pll_property; /* hardcoded DFP edid from BIOS */ struct edid *bios_hardcoded_edid; + + /* pointer to fbdev info structure */ + struct radeon_kernel_fbdev *rfbdev; }; #define MAX_H_CODE_TIMING_LEN 32 @@ -532,11 +538,10 @@ extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno); extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, int regno); -struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev, - struct drm_mode_fb_cmd *mode_cmd, - struct drm_gem_object *obj); - -int radeonfb_probe(struct drm_device *dev); +void radeon_framebuffer_init(struct drm_device *dev, + struct radeon_framebuffer *rfb, + struct drm_mode_fb_cmd *mode_cmd, + struct drm_gem_object *obj); int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev); @@ -573,4 +578,12 @@ void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder, void radeon_legacy_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); + +/* fbdev layer */ +int radeon_fbdev_init(struct radeon_device *rdev); +void radeon_fbdev_fini(struct radeon_device *rdev); +void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state); +int radeon_fbdev_total_size(struct radeon_device *rdev); +bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj); +void radeonfb_hotplug(struct drm_device *dev); #endif diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 31f9afed0a63..bbc7c4c30bc7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -752,14 +752,8 @@ err_not_scanout: return NULL; } -static int vmw_kms_fb_changed(struct drm_device *dev) -{ - return 0; -} - static struct drm_mode_config_funcs vmw_kms_funcs = { .fb_create = vmw_kms_fb_create, - .fb_changed = vmw_kms_fb_changed, }; int vmw_kms_init(struct vmw_private *dev_priv) diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 1347524a8e30..c70814b184e8 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -271,8 +271,6 @@ struct drm_framebuffer { unsigned int depth; int bits_per_pixel; int flags; - struct fb_info *fbdev; - u32 pseudo_palette[17]; struct list_head filp_head; /* if you are using the helper */ void *helper_private; @@ -548,16 +546,9 @@ struct drm_mode_set { /** * struct drm_mode_config_funcs - configure CRTCs for a given screen layout - * @resize: adjust CRTCs as necessary for the proposed layout - * - * Currently only a resize hook is available. DRM will call back into the - * driver with a new screen width and height. If the driver can't support - * the proposed size, it can return false. Otherwise it should adjust - * the CRTC<->connector mappings as needed and update its view of the screen. */ struct drm_mode_config_funcs { struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd); - int (*fb_changed)(struct drm_device *dev); }; struct drm_mode_group { @@ -590,9 +581,6 @@ struct drm_mode_config { struct list_head property_list; - /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */ - struct list_head fb_kernel_list; - int min_width, min_height; int max_width, max_height; struct drm_mode_config_funcs *funcs; diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h index b29e20168b5f..ce7aab77f7dc 100644 --- a/include/drm/drm_crtc_helper.h +++ b/include/drm/drm_crtc_helper.h @@ -97,7 +97,6 @@ struct drm_connector_helper_funcs { extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY); extern void drm_helper_disable_unused_functions(struct drm_device *dev); extern int drm_helper_hotplug_stage_two(struct drm_device *dev); -extern bool drm_helper_initial_config(struct drm_device *dev); extern int drm_crtc_helper_set_config(struct drm_mode_set *set); extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 58c892a2cbfa..38ab0daffd1f 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -57,6 +57,15 @@ struct drm_fb_helper_cmdline_mode { bool margins; }; +struct drm_fb_helper_surface_size { + u32 fb_width; + u32 fb_height; + u32 surface_width; + u32 surface_height; + u32 surface_bpp; + u32 surface_depth; +}; + struct drm_fb_helper_connector { struct drm_fb_helper_cmdline_mode cmdline_mode; }; @@ -69,19 +78,16 @@ struct drm_fb_helper { struct drm_fb_helper_crtc *crtc_info; struct drm_fb_helper_funcs *funcs; int conn_limit; + struct fb_info *fbdev; + u32 pseudo_palette[17]; struct list_head kernel_fb_list; }; int drm_fb_helper_single_fb_probe(struct drm_device *dev, int preferred_bpp, int (*fb_create)(struct drm_device *dev, - uint32_t fb_width, - uint32_t fb_height, - uint32_t surface_width, - uint32_t surface_height, - uint32_t surface_depth, - uint32_t surface_bpp, - struct drm_framebuffer **fb_ptr)); + struct drm_fb_helper_surface_size *sizes, + struct drm_fb_helper **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); @@ -99,7 +105,7 @@ int drm_fb_helper_setcolreg(unsigned regno, struct fb_info *info); void drm_fb_helper_restore(void); -void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb, +void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper, uint32_t fb_width, uint32_t fb_height); void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, uint32_t depth); @@ -108,4 +114,6 @@ int drm_fb_helper_add_connector(struct drm_connector *connector); int drm_fb_helper_parse_command_line(struct drm_device *dev); int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info); +bool drm_helper_fb_hotplug_event(struct drm_device *dev); +bool drm_helper_initial_config(struct drm_device *dev); #endif |