diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atombios_dp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/atombios_dp.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c index 9b74cfdba7b8..a3ba9ca11e98 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c @@ -60,7 +60,7 @@ static int amdgpu_atombios_dp_process_aux_ch(struct amdgpu_i2c_chan *chan, u8 delay, u8 *ack) { struct drm_device *dev = chan->dev; - struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); union aux_channel_transaction args; int index = GetIndexIntoMasterTable(COMMAND, ProcessAuxChannelTransaction); unsigned char *base; @@ -305,7 +305,7 @@ static u8 amdgpu_atombios_dp_encoder_service(struct amdgpu_device *adev, u8 amdgpu_atombios_dp_get_sinktype(struct amdgpu_connector *amdgpu_connector) { struct drm_device *dev = amdgpu_connector->base.dev; - struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); return amdgpu_atombios_dp_encoder_service(adev, ATOM_DP_ACTION_GET_SINK_TYPE, 0, amdgpu_connector->ddc_bus->rec.i2c_id, 0); @@ -328,6 +328,22 @@ static void amdgpu_atombios_dp_probe_oui(struct amdgpu_connector *amdgpu_connect buf[0], buf[1], buf[2]); } +static void amdgpu_atombios_dp_ds_ports(struct amdgpu_connector *amdgpu_connector) +{ + struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv; + int ret; + + if (dig_connector->dpcd[DP_DPCD_REV] > 0x10) { + ret = drm_dp_dpcd_read(&amdgpu_connector->ddc_bus->aux, + DP_DOWNSTREAM_PORT_0, + dig_connector->downstream_ports, + DP_MAX_DOWNSTREAM_PORTS); + if (ret) + memset(dig_connector->downstream_ports, 0, + DP_MAX_DOWNSTREAM_PORTS); + } +} + int amdgpu_atombios_dp_get_dpcd(struct amdgpu_connector *amdgpu_connector) { struct amdgpu_connector_atom_dig *dig_connector = amdgpu_connector->con_priv; @@ -343,7 +359,7 @@ int amdgpu_atombios_dp_get_dpcd(struct amdgpu_connector *amdgpu_connector) dig_connector->dpcd); amdgpu_atombios_dp_probe_oui(amdgpu_connector); - + amdgpu_atombios_dp_ds_ports(amdgpu_connector); return 0; } @@ -702,7 +718,7 @@ void amdgpu_atombios_dp_link_train(struct drm_encoder *encoder, struct drm_connector *connector) { struct drm_device *dev = encoder->dev; - struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); struct amdgpu_connector *amdgpu_connector; struct amdgpu_connector_atom_dig *dig_connector; |