Commit 815f72be authored Dec 04, 2019 by David (Dingchen) Zhang Committed by Alex Deucher Apr 09, 2021

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>

parent 6bdb2e38

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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");