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>

diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 0f72f4d..444954d 100644 (file)
--- 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 43c001b..11d7b33 100644 (file)
--- 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 bb43573..ec2369e 100644 (file)
--- 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);