diff options
| author | Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> | 2022-02-21 15:22:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-08-16 18:14:31 -0400 |
| commit | c620e79bb695b866b2cefa0135f7eddd0d5bc9d7 (patch) | |
| tree | aa2c22d3e4b088f5be363439dcbcdcc3dbf4cd95 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | fdf17f1084c1d3fa0a2fb38fa0625b13b7bb0fff (diff) | |
| download | lwn-c620e79bb695b866b2cefa0135f7eddd0d5bc9d7.tar.gz lwn-c620e79bb695b866b2cefa0135f7eddd0d5bc9d7.zip | |
drm/amd/display: Add some extra kernel doc to amdgpu_dm
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 5140d9c2bf3b..2412dc601ce2 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9321,6 +9321,7 @@ static int add_affected_mst_dsc_crtcs(struct drm_atomic_state *state, struct drm /** * amdgpu_dm_atomic_check() - Atomic check implementation for AMDgpu DM. + * * @dev: The DRM device * @state: The atomic state to commit * @@ -9935,8 +9936,18 @@ static int parse_hdmi_amd_vsdb(struct amdgpu_dm_connector *aconnector, return valid_vsdb_found ? i : -ENODEV; } +/** + * amdgpu_dm_update_freesync_caps - Update Freesync capabilities + * + * @aconnector: Connector to query. + * + * Amdgpu supports Freesync in DP and HDMI displays, and it is required to keep + * track of some of the display information in the internal data struct used by + * amdgpu_dm. This function checks which type of connector we need to set the + * FreeSync parameters. + */ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, - struct edid *edid) + struct edid *edid) { int i = 0; struct detailed_timing *timing; @@ -9949,8 +9960,8 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, struct drm_device *dev = connector->dev; struct amdgpu_device *adev = drm_to_adev(dev); - bool freesync_capable = false; struct amdgpu_hdmi_vsdb_info vsdb_info = {0}; + bool freesync_capable = false; if (!connector->state) { DRM_ERROR("%s - Connector has no state", __func__); @@ -9979,7 +9990,6 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, if (!adev->dm.freesync_module) goto update; - if (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT || sink->sink_signal == SIGNAL_TYPE_EDP) { bool edid_check_required = false; |