aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c6
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c17
-rw-r--r--drivers/gpu/drm/radeon/radeon_mode.h4
3 files changed, 17 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index fc5a2df4544..e761fefaacb 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -78,8 +78,8 @@ bool radeon_process_aux_ch(struct radeon_i2c_chan *chan, u8 *req_bytes,
return true;
}
-int radeon_dp_encoder_service(struct radeon_device *rdev, int action, int dp_clock,
- uint8_t ucconfig, uint8_t lane_num)
+static u8 radeon_dp_encoder_service(struct radeon_device *rdev, int action, int dp_clock,
+ uint8_t ucconfig, uint8_t lane_num)
{
DP_ENCODER_SERVICE_PARAMETERS args;
int index = GetIndexIntoMasterTable(COMMAND, DPEncoderService);
@@ -95,7 +95,7 @@ int radeon_dp_encoder_service(struct radeon_device *rdev, int action, int dp_clo
return args.ucStatus;
}
-int radeon_dp_getsinktype(struct radeon_connector *radeon_connector)
+u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector)
{
struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
struct drm_device *dev = radeon_connector->base.dev;
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 98634ce5ba1..b51e38386cc 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -908,13 +908,9 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
- struct drm_encoder *encoder = NULL;
- struct drm_encoder_helper_funcs *encoder_funcs;
- struct drm_mode_object *obj;
- int i;
enum drm_connector_status ret = connector_status_disconnected;
- int sink_type;
- bool dret;
+ struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
+ u8 sink_type;
if (radeon_connector->edid) {
kfree(radeon_connector->edid);
@@ -924,8 +920,17 @@ static enum drm_connector_status radeon_dp_detect(struct drm_connector *connecto
sink_type = radeon_dp_getsinktype(radeon_connector);
if (sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
radeon_dp_getdpcd(radeon_connector);
+ radeon_dig_connector->dp_sink_type = sink_type;
ret = connector_status_connected;
+ } else {
+ radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
+ if (radeon_ddc_probe(radeon_connector)) {
+ radeon_dig_connector->dp_sink_type = sink_type;
+ ret = connector_status_connected;
+ }
+ radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
}
+
return ret;
}
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 1964afb94db..338d0af1851 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -339,8 +339,10 @@ struct radeon_encoder {
struct radeon_connector_atom_dig {
uint32_t igp_lane_info;
bool linkb;
+ /* displayport */
struct radeon_i2c_chan *dp_i2c_bus;
u8 dpcd[8];
+ u8 dp_sink_type;
};
struct radeon_connector {
@@ -364,7 +366,7 @@ struct radeon_framebuffer {
struct drm_gem_object *obj;
};
-extern int radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
+extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
extern void radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
uint8_t write_byte, uint8_t *read_byte);