/** * drm_gem_free_mmap_offset - release a fake mmap offset for an object * @obj: obj in question * * This routine frees fake offsets allocated by drm_gem_create_mmap_offset(). */ void drm_gem_free_mmap_offset(struct drm_gem_object *obj) { struct drm_device *dev = obj->dev; drm_vma_offset_remove(dev->vma_offset_manager, &obj->vma_node); }
/** * drm_gem_free_mmap_offset - release a fake mmap offset for an object * @obj: obj in question * * This routine frees fake offsets allocated by drm_gem_create_mmap_offset(). */ void drm_gem_free_mmap_offset(struct drm_gem_object *obj) { struct drm_device *dev = obj->dev; struct drm_gem_mm *mm = dev->mm_private; drm_vma_offset_remove(&mm->vma_manager, &obj->vma_node); }
static int bochsfb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct bochs_device *bochs = container_of(helper, struct bochs_device, fb.helper); struct fb_info *info; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd; struct drm_gem_object *gobj = NULL; struct bochs_bo *bo = NULL; int size, ret; if (sizes->surface_bpp != 32) return -EINVAL; mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; mode_cmd.pitches[0] = mode_cmd.width * ((sizes->surface_bpp + 7) / 8); mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); size = mode_cmd.pitches[0] * mode_cmd.height; /* alloc, pin & map bo */ ret = bochsfb_create_object(bochs, &mode_cmd, &gobj); if (ret) { DRM_ERROR("failed to create fbcon backing object %d\n", ret); return ret; } bo = gem_to_bochs_bo(gobj); ret = ttm_bo_reserve(&bo->bo, true, false, false, NULL); if (ret) return ret; ret = bochs_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL); if (ret) { DRM_ERROR("failed to pin fbcon\n"); ttm_bo_unreserve(&bo->bo); return ret; } ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); if (ret) { DRM_ERROR("failed to kmap fbcon\n"); ttm_bo_unreserve(&bo->bo); return ret; } ttm_bo_unreserve(&bo->bo); /* init fb device */ info = drm_fb_helper_alloc_fbi(helper); if (IS_ERR(info)) return PTR_ERR(info); info->par = &bochs->fb.helper; ret = bochs_framebuffer_init(bochs->dev, &bochs->fb.gfb, &mode_cmd, gobj); if (ret) { drm_fb_helper_release_fbi(helper); return ret; } bochs->fb.size = size; /* setup helper */ fb = &bochs->fb.gfb.base; bochs->fb.helper.fb = fb; strcpy(info->fix.id, "bochsdrmfb"); info->flags = FBINFO_DEFAULT; info->fbops = &bochsfb_ops; drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &bochs->fb.helper, sizes->fb_width, sizes->fb_height); info->screen_base = bo->kmap.virtual; info->screen_size = size; drm_vma_offset_remove(&bo->bo.bdev->vma_manager, &bo->bo.vma_node); info->fix.smem_start = 0; info->fix.smem_len = size; return 0; }