diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2014-03-21 18:34:07 +0400 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2014-03-25 16:13:21 +0400 |
| commit | 496263bf2bee13387f6e2a780f0c783c9c377c42 (patch) | |
| tree | 307aa5f7928d85b8756b637635b162035975189d /drivers/gpu/drm/radeon/radeon_connectors.c | |
| parent | 743b1e32f203ec1d28a65327dd98bd290a356ea0 (diff) | |
| download | linux-496263bf2bee13387f6e2a780f0c783c9c377c42.tar.xz | |
drm/radeon: use the new drm helpers for dp aux
Switch to the new dp helpers. The main difference is
that the DP helpers don't allow an adjustable delay in
the aux transaction, but I don't know that this is
necessary.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 82d4f865546e..ec958e86fd8b 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1595,6 +1595,7 @@ radeon_add_atom_connector(struct drm_device *dev, uint32_t subpixel_order = SubPixelNone; bool shared_ddc = false; bool is_dp_bridge = false; + bool has_aux = false; if (connector_type == DRM_MODE_CONNECTOR_Unknown) return; @@ -1672,7 +1673,9 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); else radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); - if (!radeon_dig_connector->dp_i2c_bus) + if (radeon_dig_connector->dp_i2c_bus) + has_aux = true; + else DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) @@ -1895,7 +1898,9 @@ radeon_add_atom_connector(struct drm_device *dev, if (!radeon_dig_connector->dp_i2c_bus) DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); - if (!radeon_connector->ddc_bus) + if (radeon_connector->ddc_bus) + has_aux = true; + else DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } subpixel_order = SubPixelHorizontalRGB; @@ -1939,7 +1944,9 @@ radeon_add_atom_connector(struct drm_device *dev, if (i2c_bus->valid) { /* add DP i2c bus */ radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); - if (!radeon_dig_connector->dp_i2c_bus) + if (radeon_dig_connector->dp_i2c_bus) + has_aux = true; + else DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) @@ -2000,6 +2007,10 @@ radeon_add_atom_connector(struct drm_device *dev, connector->display_info.subpixel_order = subpixel_order; drm_sysfs_connector_add(connector); + + if (has_aux) + radeon_dp_aux_init(radeon_connector); + return; failed: |