diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-06-13 17:13:33 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-06-17 09:28:02 +1000 |
| commit | d629a3ceb4fc1ab5aab737b964100d114aba1173 (patch) | |
| tree | 9bf07b4c4e2552b070283a347fb6c314c813dffa /drivers/gpu/drm/radeon/radeon_connectors.c | |
| parent | 7ec478f835a391d27491493ebfd91f2bed98dbd9 (diff) | |
drm/radeon/kms: add support for load detection on dp bridges
dp to vga bridges for example.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index c04e18ee8a87..dc7852b3c5ca 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1235,6 +1235,16 @@ radeon_dp_detect(struct drm_connector *connector, bool force) ret = connector_status_connected; } } + + if ((ret == connector_status_disconnected) && + radeon_connector->dac_load_detect) { + struct drm_encoder *encoder = radeon_best_single_encoder(connector); + struct drm_encoder_helper_funcs *encoder_funcs; + if (encoder) { + encoder_funcs = encoder->helper_private; + ret = encoder_funcs->detect(encoder, connector); + } + } } radeon_connector_update_scratch_regs(connector, ret); @@ -1408,6 +1418,10 @@ radeon_add_atom_connector(struct drm_device *dev, default: connector->interlace_allowed = true; connector->doublescan_allowed = true; + radeon_connector->dac_load_detect = true; + drm_connector_attach_property(&radeon_connector->base, + rdev->mode_info.load_detect_property, + 1); break; case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_DVID: @@ -1429,6 +1443,12 @@ radeon_add_atom_connector(struct drm_device *dev, connector->doublescan_allowed = true; else connector->doublescan_allowed = false; + if (connector_type == DRM_MODE_CONNECTOR_DVII) { + radeon_connector->dac_load_detect = true; + drm_connector_attach_property(&radeon_connector->base, + rdev->mode_info.load_detect_property, + 1); + } break; case DRM_MODE_CONNECTOR_LVDS: case DRM_MODE_CONNECTOR_eDP: |