1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 7b2d378b2576..e974f9309b72 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -648,6 +648,9 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
                 } else if (set->fb->bits_per_pixel !=
                            set->crtc->fb->bits_per_pixel) {
                         mode_changed = true;
+                } else if (set->fb->pixel_format !=
+                           set->crtc->fb->pixel_format) {
+                        mode_changed = true;
                 } else
                         fb_changed = true;
         }