diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atombios_dp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/atombios_dp.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c index 6858cde9fc5d..f327becb022f 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; @@ -186,16 +186,12 @@ amdgpu_atombios_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *m void amdgpu_atombios_dp_aux_init(struct amdgpu_connector *amdgpu_connector) { - int ret; - amdgpu_connector->ddc_bus->rec.hpd = amdgpu_connector->hpd.hpd; - amdgpu_connector->ddc_bus->aux.dev = amdgpu_connector->base.kdev; amdgpu_connector->ddc_bus->aux.transfer = amdgpu_atombios_dp_aux_transfer; - ret = drm_dp_aux_register(&amdgpu_connector->ddc_bus->aux); - if (!ret) - amdgpu_connector->ddc_bus->has_aux = true; + amdgpu_connector->ddc_bus->aux.drm_dev = amdgpu_connector->base.dev; - WARN(ret, "drm_dp_aux_register_i2c_bus() failed with error %d\n", ret); + drm_dp_aux_init(&amdgpu_connector->ddc_bus->aux); + amdgpu_connector->ddc_bus->has_aux = true; } /***** general DP utility functions *****/ @@ -311,7 +307,7 @@ 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); @@ -334,6 +330,22 @@ 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; @@ -349,7 +361,7 @@ 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; } @@ -361,7 +373,6 @@ int amdgpu_atombios_dp_get_panel_mode(struct drm_encoder *encoder, struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); - struct amdgpu_connector_atom_dig *dig_connector; int panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE; u16 dp_bridge = amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector); u8 tmp; @@ -369,8 +380,6 @@ int amdgpu_atombios_dp_get_panel_mode(struct drm_encoder *encoder, if (!amdgpu_connector->con_priv) return panel_mode; - dig_connector = amdgpu_connector->con_priv; - if (dp_bridge != ENCODER_OBJECT_ID_NONE) { /* DP bridge chips */ if (drm_dp_dpcd_readb(&amdgpu_connector->ddc_bus->aux, @@ -603,7 +612,7 @@ amdgpu_atombios_dp_link_train_cr(struct amdgpu_atombios_dp_link_train_info *dp_i dp_info->tries = 0; voltage = 0xff; while (1) { - drm_dp_link_train_clock_recovery_delay(dp_info->dpcd); + drm_dp_link_train_clock_recovery_delay(dp_info->aux, dp_info->dpcd); if (drm_dp_dpcd_read_link_status(dp_info->aux, dp_info->link_status) <= 0) { @@ -668,7 +677,7 @@ amdgpu_atombios_dp_link_train_ce(struct amdgpu_atombios_dp_link_train_info *dp_i dp_info->tries = 0; channel_eq = false; while (1) { - drm_dp_link_train_channel_eq_delay(dp_info->dpcd); + drm_dp_link_train_channel_eq_delay(dp_info->aux, dp_info->dpcd); if (drm_dp_dpcd_read_link_status(dp_info->aux, dp_info->link_status) <= 0) { @@ -711,9 +720,8 @@ 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_encoder_atom_dig *dig; struct amdgpu_connector *amdgpu_connector; struct amdgpu_connector_atom_dig *dig_connector; struct amdgpu_atombios_dp_link_train_info dp_info; @@ -721,7 +729,6 @@ void amdgpu_atombios_dp_link_train(struct drm_encoder *encoder, if (!amdgpu_encoder->enc_priv) return; - dig = amdgpu_encoder->enc_priv; amdgpu_connector = to_amdgpu_connector(connector); if (!amdgpu_connector->con_priv) |