diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 45fde2ffef2a..2be1cd949cec 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -213,9 +213,9 @@ int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, fb_helper_connector = fb_helper->connector_info[i]; drm_connector_put(fb_helper_connector->connector); - for (j = i + 1; j < fb_helper->connector_count; j++) { + for (j = i + 1; j < fb_helper->connector_count; j++) fb_helper->connector_info[j - 1] = fb_helper->connector_info[j]; - } + fb_helper->connector_count--; kfree(fb_helper_connector); @@ -316,6 +316,7 @@ int drm_fb_helper_debug_leave(struct fb_info *info) for (i = 0; i < helper->crtc_count; i++) { struct drm_mode_set *mode_set = &helper->crtc_info[i].mode_set; + crtc = mode_set->crtc; funcs = crtc->helper_private; fb = drm_mode_config_fb(crtc); @@ -346,7 +347,7 @@ static int restore_fbdev_mode_atomic(struct drm_fb_helper *fb_helper) struct drm_plane *plane; struct drm_atomic_state *state; int i, ret; - unsigned plane_mask; + unsigned int plane_mask; state = drm_atomic_state_alloc(dev); if (!state) @@ -378,7 +379,7 @@ static int restore_fbdev_mode_atomic(struct drm_fb_helper *fb_helper) goto fail; } - for(i = 0; i < fb_helper->crtc_count; i++) { + for (i = 0; i < fb_helper->crtc_count; i++) { struct drm_mode_set *mode_set = &fb_helper->crtc_info[i].mode_set; ret = __drm_atomic_helper_set_config(mode_set, state); @@ -488,8 +489,10 @@ static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper) struct drm_crtc *crtc; int bound = 0, crtcs_bound = 0; - /* Sometimes user space wants everything disabled, so don't steal the - * display if there's a master. */ + /* + * Sometimes user space wants everything disabled, so don't steal the + * display if there's a master. + */ if (READ_ONCE(dev->master)) return false; @@ -537,6 +540,7 @@ static bool drm_fb_helper_force_kernel_mode(void) static void drm_fb_helper_restore_work_fn(struct work_struct *ignored) { bool ret; + ret = drm_fb_helper_force_kernel_mode(); if (ret == true) DRM_ERROR("Failed to restore crtc configuration\n"); @@ -870,9 +874,8 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) mutex_lock(&kernel_fb_helper_lock); if (!list_empty(&fb_helper->kernel_fb_list)) { list_del(&fb_helper->kernel_fb_list); - if (list_empty(&kernel_fb_helper_list)) { + if (list_empty(&kernel_fb_helper_list)) unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op); - } } mutex_unlock(&kernel_fb_helper_lock); @@ -1165,6 +1168,7 @@ static int setcolreg(struct drm_crtc *crtc, u16 red, u16 green, (blue << info->var.blue.offset); if (info->var.transp.length > 0) { u32 mask = (1 << info->var.transp.length) - 1; + mask <<= info->var.transp.offset; value |= mask; } @@ -1447,7 +1451,7 @@ static int pan_display_atomic(struct fb_var_screeninfo *var, struct drm_atomic_state *state; struct drm_plane *plane; int i, ret; - unsigned plane_mask; + unsigned int plane_mask; state = drm_atomic_state_alloc(dev); if (!state) @@ -1456,7 +1460,7 @@ static int pan_display_atomic(struct fb_var_screeninfo *var, state->acquire_ctx = dev->mode_config.acquire_ctx; retry: plane_mask = 0; - for(i = 0; i < fb_helper->crtc_count; i++) { + for (i = 0; i < fb_helper->crtc_count; i++) { struct drm_mode_set *mode_set; mode_set = &fb_helper->crtc_info[i].mode_set; @@ -1561,11 +1565,10 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, 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; + sizes.fb_width = (u32)-1; + sizes.fb_height = (u32)-1; - /* if driver picks 8 or 16 by default use that - for both depth/bpp */ + /* if driver picks 8 or 16 by default use that for both depth/bpp */ if (preferred_bpp != sizes.surface_bpp) sizes.surface_depth = sizes.surface_bpp = preferred_bpp; @@ -1630,6 +1633,7 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, for (j = 0; j < mode_set->num_connectors; j++) { struct drm_connector *connector = mode_set->connectors[j]; + if (connector->has_tile) { lasth = (connector->tile_h_loc == (connector->num_h_tile - 1)); lastv = (connector->tile_v_loc == (connector->num_v_tile - 1)); @@ -1645,8 +1649,10 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, } 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. */ + /* + * hmm everyone went away - assume VGA cable just fell out + * and will come back later. + */ DRM_INFO("Cannot find any crtc or sizes - going 1024x768\n"); sizes.fb_width = sizes.surface_width = 1024; sizes.fb_height = sizes.surface_height = 768; @@ -1703,7 +1709,6 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, info->fix.accel = FB_ACCEL_NONE; info->fix.line_length = pitch; - return; } EXPORT_SYMBOL(drm_fb_helper_fill_fix); @@ -1725,6 +1730,7 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe uint32_t fb_width, uint32_t fb_height) { 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; @@ -2057,13 +2063,15 @@ static bool drm_target_preferred(struct drm_fb_helper *fb_helper, continue; } else { - if (fb_helper_conn->connector->tile_h_loc != tile_pass -1 && + if (fb_helper_conn->connector->tile_h_loc != tile_pass - 1 && fb_helper_conn->connector->tile_v_loc != tile_pass - 1) /* if this tile_pass doesn't cover any of the tiles - keep going */ continue; - /* find the tile offsets for this pass - need - to find all tiles left and above */ + /* + * find the tile offsets for this pass - need to find + * all tiles left and above + */ drm_get_tile_offsets(fb_helper, modes, offsets, i, fb_helper_conn->connector->tile_h_loc, fb_helper_conn->connector->tile_v_loc); } @@ -2147,8 +2155,10 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper, if (!encoder) goto out; - /* select a crtc for this connector and then attempt to configure - remaining connectors */ + /* + * select a crtc for this connector and then attempt to configure + * remaining connectors + */ for (c = 0; c < fb_helper->crtc_count; c++) { crtc = &fb_helper->crtc_info[c];