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| author | Alex Deucher <alexdeucher@gmail.com> | 2011-05-20 04:34:23 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-05-20 20:02:27 +1000 |
| commit | f8d0edde15702f1e3114d4afc80cb9cced2c754b (patch) | |
| tree | 7c3ffcf633c42f768e3050c9df1e7702fc92e6f3 /drivers/gpu | |
| parent | d7fa8bb385d71c0c0c563a063a0f574adc532585 (diff) | |
| download | linux-f8d0edde15702f1e3114d4afc80cb9cced2c754b.tar.gz linux-f8d0edde15702f1e3114d4afc80cb9cced2c754b.tar.bz2 linux-f8d0edde15702f1e3114d4afc80cb9cced2c754b.zip | |
drm/radeon/kms: improve DP detect logic
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 9f3c6509d9d0..ac3165aeff36 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1142,6 +1142,8 @@ bool radeon_connector_is_dp12_capable(struct drm_connector *connector) static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector, bool force) { + struct drm_device *dev = connector->dev; + struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); enum drm_connector_status ret = connector_status_disconnected; struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; @@ -1164,12 +1166,18 @@ radeon_dp_detect(struct drm_connector *connector, bool force) ATOM_TRANSMITTER_ACTION_POWER_OFF); } else { radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); - if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { - if (radeon_dp_getdpcd(radeon_connector)) - ret = connector_status_connected; + if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { + ret = connector_status_connected; + if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) + radeon_dp_getdpcd(radeon_connector); } else { - if (radeon_ddc_probe(radeon_connector)) - ret = connector_status_connected; + if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { + if (radeon_dp_getdpcd(radeon_connector)) + ret = connector_status_connected; + } else { + if (radeon_ddc_probe(radeon_connector)) + ret = connector_status_connected; + } } } |