diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_i2c.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_mode.h | 2 |
4 files changed, 24 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 47bf162ab9c..2399f25ec03 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -741,7 +741,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force) ret = connector_status_disconnected; if (radeon_connector->ddc_bus) - dret = radeon_ddc_probe(radeon_connector); + dret = radeon_ddc_probe(radeon_connector, false); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { @@ -947,7 +947,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) return connector->status; if (radeon_connector->ddc_bus) - dret = radeon_ddc_probe(radeon_connector); + dret = radeon_ddc_probe(radeon_connector, false); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { @@ -1401,7 +1401,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (encoder) { /* setup ddc on the bridge */ radeon_atom_ext_encoder_setup_ddc(encoder); - if (radeon_ddc_probe(radeon_connector)) /* try DDC */ + /* bridge chips are always aux */ + if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ ret = connector_status_connected; else if (radeon_connector->dac_load_detect) { /* try load detection */ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; @@ -1419,7 +1420,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (radeon_dp_getdpcd(radeon_connector)) ret = connector_status_connected; } else { - if (radeon_ddc_probe(radeon_connector)) + /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */ + if (radeon_ddc_probe(radeon_connector, false)) ret = connector_status_connected; } } diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 310c0e5254b..1da2386d7cf 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -699,10 +699,15 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); - if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || - (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) || - (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != - ENCODER_OBJECT_ID_NONE)) { + if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != + ENCODER_OBJECT_ID_NONE) { + struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + + if (dig->dp_i2c_bus) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &dig->dp_i2c_bus->adapter); + } else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || + (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index c5bddd630eb..fc60b74ee30 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -39,7 +39,7 @@ extern u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap); * radeon_ddc_probe * */ -bool radeon_ddc_probe(struct radeon_connector *radeon_connector) +bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux) { u8 out = 0x0; u8 buf[8]; @@ -63,7 +63,13 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector) if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); - ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); + if (use_aux) { + struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + ret = i2c_transfer(&dig->dp_i2c_bus->adapter, msgs, 2); + } else { + ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); + } + if (ret != 2) /* Couldn't find an accessible DDC on this connector */ return false; diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index ed8a0fadb6d..4003f5a68c0 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -559,7 +559,7 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c, u8 val); extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector); extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector); -extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector); +extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux); extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector); extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector); |