drm/radeon/kms/evergreen: get DP working

Need to enable the VID stream after link training

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index cbc6fa2..52d6f96 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1044,16 +1044,25 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
        if (is_dig) {
                switch (mode) {
                case DRM_MODE_DPMS_ON:
        if (is_dig) {
                switch (mode) {
                case DRM_MODE_DPMS_ON:

-                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
-                       {
+                       if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) {

                                struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
                                struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);

+

                                dp_link_train(encoder, connector);
                                dp_link_train(encoder, connector);

+                               if (ASIC_IS_DCE4(rdev))
+                                       atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON);

                        }
                        }

+                       if (!ASIC_IS_DCE4(rdev))
+                               atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);

                        break;
                case DRM_MODE_DPMS_STANDBY:
                case DRM_MODE_DPMS_SUSPEND:
                case DRM_MODE_DPMS_OFF:
                        break;
                case DRM_MODE_DPMS_STANDBY:
                case DRM_MODE_DPMS_SUSPEND:
                case DRM_MODE_DPMS_OFF:

-                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
+                       if (!ASIC_IS_DCE4(rdev))
+                               atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
+                       if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) {
+                               if (ASIC_IS_DCE4(rdev))
+                                       atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF);
+                       }

                        break;
                }
        } else {
                        break;
                }
        } else {