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drm/amd/display: Add some extra kernel doc to amdgpu_dm

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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>
This commit is contained in:
Rodrigo Siqueira
2022-02-21 15:22:50 -05:00
committed by Alex Deucher
parent fdf17f1084
commit c620e79bb6
2 changed files with 54 additions and 8 deletions
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16
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -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;