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author | Alex Deucher <alexander.deucher@amd.com> | 2011-09-02 14:23:09 +0000 |
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committer | Dave Airlie <airlied@redhat.com> | 2011-09-06 11:46:36 +0100 |
commit | b06947b50053f2d21ad8ddf218cdb64fc8026896 (patch) | |
tree | bdf1ca814dd80ea35273ef62390a0f2f7d260b4b /drivers/gpu/drm/radeon/radeon_display.c | |
parent | ddf28352b80c86754a6424e3a61e8bdf9213b3c7 (diff) | |
download | op-kernel-dev-b06947b50053f2d21ad8ddf218cdb64fc8026896.zip op-kernel-dev-b06947b50053f2d21ad8ddf218cdb64fc8026896.tar.gz |
drm/radeon/kms: fix DP detect and EDID fetch for DP bridges
Sink type is always DP for DP bridges and EDID fetch on
DP bridges is always i2c over aux rather than plain i2c.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 1a85894..6cc17fb 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -707,16 +707,21 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) 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->base.connector_type == DRM_MODE_CONNECTOR_eDP) || + radeon_connector_encoder_is_dp_bridge(&radeon_connector->base)) { struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && dig->dp_i2c_bus) - radeon_connector->edid = drm_get_edid(&radeon_connector->base, &dig->dp_i2c_bus->adapter); - } - if (!radeon_connector->ddc_bus) - return -1; - if (!radeon_connector->edid) { - radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &dig->dp_i2c_bus->adapter); + else if (radeon_connector->ddc_bus && !radeon_connector->edid) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->adapter); + } else { + if (radeon_connector->ddc_bus && !radeon_connector->edid) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->adapter); } if (!radeon_connector->edid) { |