drm/radeon/kms/atom: add support for setting DP panel mode

Required for proper operation with DP bridges.

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

3 files changed, 16 insertions, 13 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 0f72f4d85c30..444954d95829 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -662,9 +662,9 @@ void dp_link_train(struct drm_encoder *encoder,
         dp_set_downspread(radeon_connector, 0);
         if (ASIC_IS_DCE4(rdev)) {
                 /* start training on the source */
-                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_START);
+                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_START, 0);
                 /* set training pattern 1 on the source */
-                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN1);
+                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN1, 0);
         } else {
                 /* start training on the source */
                 radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_START,
@@ -733,7 +733,7 @@ void dp_link_train(struct drm_encoder *encoder,
         dp_set_training(radeon_connector, DP_TRAINING_PATTERN_2);
         /* set training pattern 2 on the source */
         if (ASIC_IS_DCE4(rdev))
-                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN2);
+                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN2, 0);
         else
                 radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL,
                                           dig_connector->dp_clock, enc_id, 1);
@@ -777,7 +777,7 @@ void dp_link_train(struct drm_encoder *encoder,
 
         /* disable the training pattern on the source */
         if (ASIC_IS_DCE4(rdev))
-                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_COMPLETE);
+                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_COMPLETE, 0);
         else
                 radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_COMPLETE,
                                           dig_connector->dp_clock, enc_id, 0);
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 43c001b28ecc..11d7b33472d3 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -771,7 +771,7 @@ union dig_encoder_control {
 };
 
 void
-atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
+atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode)
 {
         struct drm_device *dev = encoder->dev;
         struct radeon_device *rdev = dev->dev_private;
@@ -817,7 +817,10 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 
         args.v1.ucAction = action;
         args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
-        args.v1.ucEncoderMode = atombios_get_encoder_mode(encoder);
+        if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
+                args.v3.ucPanelMode = panel_mode;
+        else
+                args.v1.ucEncoderMode = atombios_get_encoder_mode(encoder);
 
         if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) ||
             (args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP_MST))
@@ -1416,7 +1419,7 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
                                 }
                                 dp_link_train(encoder, connector);
                                 if (ASIC_IS_DCE4(rdev))
-                                        atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON);
+                                        atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
                         }
                         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
                                 atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
@@ -1429,7 +1432,7 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
                                 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 
                                 if (ASIC_IS_DCE4(rdev))
-                                        atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF);
+                                        atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
                                 if (connector &&
                                     (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
                                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -1800,7 +1803,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
                         /* disable the transmitter */
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
                         /* setup and enable the encoder */
-                        atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP);
+                        atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
 
                         /* init and enable the transmitter */
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
@@ -1808,10 +1811,10 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
                 } else {
                         /* disable the encoder and transmitter */
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
-                        atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+                        atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
 
                         /* setup and enable the encoder and transmitter */
-                        atombios_dig_encoder_setup(encoder, ATOM_ENABLE);
+                        atombios_dig_encoder_setup(encoder, ATOM_ENABLE, 0);
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
@@ -2025,7 +2028,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
                 else {
                         /* disable the encoder and transmitter */
                         atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
-                        atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+                        atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
                 }
                 break;
         case ENCODER_OBJECT_ID_INTERNAL_DDI:
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index bb43573ff3cf..ec2369ee7cc7 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -479,7 +479,7 @@ extern void dp_link_train(struct drm_encoder *encoder,
                           struct drm_connector *connector);
 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
-extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
+extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
                                            int action, uint8_t lane_num,
                                            uint8_t lane_set);