drm/rockchip: support 10bit yuv format

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / rockchip / rockchip_drm_fb.c

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
index 22dd5bcefda9fca745cf08a7ee5601ad3a17d2ec..3f5f8c42fda4793e86dc37be299b573da36c5a87 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
@@ -168,6 +168,8 @@ rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
                unsigned int width = mode_cmd->width / (i ? hsub : 1);
                unsigned int height = mode_cmd->height / (i ? vsub : 1);
                unsigned int min_size;
+               unsigned int bpp =
+                       drm_format_plane_bpp(mode_cmd->pixel_format, i);
 
                obj = drm_gem_object_lookup(dev, file_priv,
                                            mode_cmd->handles[i]);
@@ -178,9 +180,7 @@ 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);
-
+                       mode_cmd->offsets[i] + roundup(width * bpp, 8) / 8;
                if (obj->size < min_size) {
                        drm_gem_object_unreference_unlocked(obj);
                        ret = -EINVAL;