drm/radeon/atom: add support for new DVO tables

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 1bf13b3..092275d 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -487,11 +487,11 @@ static u8 radeon_atom_get_bpc(struct drm_encoder *encoder)
        }
 }
 
-
 union dvo_encoder_control {
        ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION ext_tmds;
        DVO_ENCODER_CONTROL_PS_ALLOCATION dvo;
        DVO_ENCODER_CONTROL_PS_ALLOCATION_V3 dvo_v3;
+       DVO_ENCODER_CONTROL_PS_ALLOCATION_V1_4 dvo_v4;
 };
 
 void
@@ -541,6 +541,13 @@ atombios_dvo_setup(struct drm_encoder *encoder, int action)
                        args.dvo_v3.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
                        args.dvo_v3.ucDVOConfig = 0; /* XXX */
                        break;
+               case 4:
+                       /* DCE8 */
+                       args.dvo_v4.ucAction = action;
+                       args.dvo_v4.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
+                       args.dvo_v4.ucDVOConfig = 0; /* XXX */
+                       args.dvo_v4.ucBitPerColor = radeon_atom_get_bpc(encoder);
+                       break;
                default:
                        DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
                        break;