1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index b6a8f7ffb47f..d6cf77c472e7 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2489,6 +2489,8 @@ static int format_check(const struct drm_mode_fb_cmd2 *r)
         case DRM_FORMAT_YVU444:
                 return 0;
         default:
+                DRM_DEBUG_KMS("invalid pixel format %s\n",
+                              drm_get_format_name(r->pixel_format));
                 return -EINVAL;
         }
 }
@@ -3828,7 +3830,8 @@ void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
                 *bpp = 32;
                 break;
         default:
-                DRM_DEBUG_KMS("unsupported pixel format\n");
+                DRM_DEBUG_KMS("unsupported pixel format %s\n",
+                              drm_get_format_name(format));
                 *depth = 0;
                 *bpp = 0;
                 break;