diff options
| author | David (Dingchen) Zhang <dingchen.zhang@amd.com> | 2019-12-04 10:17:03 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:51:35 -0400 |
| commit | 815f72be4d8a1e8629e5892e60beb8e2487db399 (patch) | |
| tree | 89a4223ed0dc2d2642fa075d03b5224a5e772410 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | |
| parent | 6bdb2e3821616329125fea108c48fe5fe54aaafc (diff) | |
drm/amd/display: use MST downstream AUX to dump DPRX CRCs
[why]
In MST setup, we'd use MST downstream AUX to
dump the DPRX CRCs from sink device.
[how]
Assign the mst_port->aux to read DPCD registers.
Signed-off-by: David (Dingchen) Zhang <dingchen.zhang@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c index c6d6baab106e..5cd788b20c21 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c @@ -307,7 +307,7 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name) goto cleanup; } - aux = &aconn->dm_dp_aux.aux; + aux = (aconn->port) ? &aconn->port->aux : &aconn->dm_dp_aux.aux; if (!aux) { DRM_DEBUG_DRIVER("No dp aux for amd connector\n"); |