diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index a9338c8..143f8ed 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -559,7 +559,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 	u32 adjusted_clock = mode->clock;
 	int encoder_mode = atombios_get_encoder_mode(encoder);
 	u32 dp_clock = mode->clock;
-	int bpc = radeon_get_monitor_bpc(connector);
+	int bpc = 8;//radeon_get_monitor_bpc(connector);
 	bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock);
 
 	/* reset the pll flags */
@@ -940,7 +940,7 @@ static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_
 		struct radeon_connector_atom_dig *dig_connector =
 			radeon_connector->con_priv;
 		int dp_clock;
-		radeon_crtc->bpc = radeon_get_monitor_bpc(connector);
+		radeon_crtc->bpc = 8;//radeon_get_monitor_bpc(connector);
 
 		switch (encoder_mode) {
 		case ATOM_ENCODER_MODE_DP_MST:
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index a42d615..4688f82 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -468,7 +468,7 @@ static u8 radeon_atom_get_bpc(struct drm_encoder *encoder)
 	int bpc = 8;
 
 	if (connector)
-		bpc = radeon_get_monitor_bpc(connector);
+		bpc = 8;//radeon_get_monitor_bpc(connector);
 
 	switch (bpc) {
 	case 0: