1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index a42d61571f49..607dc14d195e 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -464,11 +464,12 @@ atombios_tv_setup(struct drm_encoder *encoder, int action)
 
 static u8 radeon_atom_get_bpc(struct drm_encoder *encoder)
 {
-        struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
         int bpc = 8;
 
-        if (connector)
-                bpc = radeon_get_monitor_bpc(connector);
+        if (encoder->crtc) {
+                struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
+                bpc = radeon_crtc->bpc;
+        }
 
         switch (bpc) {
         case 0:
@@ -1313,7 +1314,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
                         }
                         if (is_dp)
                                 args.v5.ucLaneNum = dp_lane_count;
-                        else if (radeon_encoder->pixel_clock > 165000)
+                        else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
                                 args.v5.ucLaneNum = 8;
                         else
                                 args.v5.ucLaneNum = 4;