diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_fb.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 97438bbbe389..31030cf81bc9 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -74,23 +74,18 @@ static struct drm_framebuffer * rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd) { + const struct drm_format_info *info = drm_get_format_info(dev, + mode_cmd); struct drm_framebuffer *fb; struct drm_gem_object *objs[ROCKCHIP_MAX_FB_BUFFER]; struct drm_gem_object *obj; - unsigned int hsub; - unsigned int vsub; - int num_planes; + int num_planes = min_t(int, info->num_planes, ROCKCHIP_MAX_FB_BUFFER); int ret; int i; - hsub = drm_format_horz_chroma_subsampling(mode_cmd->pixel_format); - vsub = drm_format_vert_chroma_subsampling(mode_cmd->pixel_format); - num_planes = min(drm_format_num_planes(mode_cmd->pixel_format), - ROCKCHIP_MAX_FB_BUFFER); - for (i = 0; i < num_planes; i++) { - unsigned int width = mode_cmd->width / (i ? hsub : 1); - unsigned int height = mode_cmd->height / (i ? vsub : 1); + unsigned int width = mode_cmd->width / (i ? info->hsub : 1); + unsigned int height = mode_cmd->height / (i ? info->vsub : 1); unsigned int min_size; obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]); @@ -103,7 +98,7 @@ rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, min_size = (height - 1) * mode_cmd->pitches[i] + mode_cmd->offsets[i] + - width * drm_format_plane_cpp(mode_cmd->pixel_format, i); + width * info->cpp[i]; if (obj->size < min_size) { drm_gem_object_put_unlocked(obj); |