1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 7e23b150ca80..9ac26437051b 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -398,6 +398,11 @@ static int drm_atomic_connector_check(struct drm_connector *connector,
 {
         struct drm_crtc_state *crtc_state;
         struct drm_writeback_job *writeback_job = state->writeback_job;
+        const struct drm_display_info *info = &connector->display_info;
+
+        state->max_bpc = info->bpc ? info->bpc : 8;
+        if (connector->max_bpc_property)
+                state->max_bpc = min(state->max_bpc, state->max_requested_bpc);
 
         if ((connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) || !writeback_job)
                 return 0;