1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 457bbad3cbf9..0fda830ef806 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -554,7 +554,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                 if (encoder->crtc == crtc) {
                         radeon_encoder = to_radeon_encoder(encoder);
                         connector = radeon_get_connector_for_encoder(encoder);
-                        if (connector)
+                        if (connector && connector->display_info.bpc)
                                 bpc = connector->display_info.bpc;
                         encoder_mode = atombios_get_encoder_mode(encoder);
                         if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||