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path: root/drivers/gpu/drm/radeon/atombios_dp.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_dp.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 6fb335a4fdd..a71557ce01d 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -549,8 +549,8 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector)
return false;
}
-static void radeon_dp_set_panel_mode(struct drm_encoder *encoder,
- struct drm_connector *connector)
+int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
+ struct drm_connector *connector)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
@@ -558,7 +558,7 @@ static void radeon_dp_set_panel_mode(struct drm_encoder *encoder,
int panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE;
if (!ASIC_IS_DCE4(rdev))
- return;
+ return panel_mode;
if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
ENCODER_OBJECT_ID_NUTMEG)
@@ -572,14 +572,7 @@ static void radeon_dp_set_panel_mode(struct drm_encoder *encoder,
panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
}
- atombios_dig_encoder_setup(encoder,
- ATOM_ENCODER_CMD_SETUP_PANEL_MODE,
- panel_mode);
-
- if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) &&
- (panel_mode == DP_PANEL_MODE_INTERNAL_DP2_MODE)) {
- radeon_write_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_SET, 1);
- }
+ return panel_mode;
}
void radeon_dp_set_link_config(struct drm_connector *connector,
@@ -717,6 +710,8 @@ static void radeon_dp_set_tp(struct radeon_dp_link_train_info *dp_info, int tp)
static int radeon_dp_link_train_init(struct radeon_dp_link_train_info *dp_info)
{
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(dp_info->encoder);
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
u8 tmp;
/* power up the sink */
@@ -732,7 +727,10 @@ static int radeon_dp_link_train_init(struct radeon_dp_link_train_info *dp_info)
radeon_write_dpcd_reg(dp_info->radeon_connector,
DP_DOWNSPREAD_CTRL, 0);
- radeon_dp_set_panel_mode(dp_info->encoder, dp_info->connector);
+ if ((dp_info->connector->connector_type == DRM_MODE_CONNECTOR_eDP) &&
+ (dig->panel_mode == DP_PANEL_MODE_INTERNAL_DP2_MODE)) {
+ radeon_write_dpcd_reg(dp_info->radeon_connector, DP_EDP_CONFIGURATION_SET, 1);
+ }
/* set the lane count on the sink */
tmp = dp_info->dp_lane_count;