Commit 2f0fa789 authored by Wayne Lin's avatar Wayne Lin Committed by Alex Deucher
Browse files

drm/amd/display: Fix to be able to stop crc calculation 



[Why]
Find out when we try to disable CRC calculation, crc generation is still
enabled. Main reason is that dc_stream_configure_crc() will never get
called when the source is AMDGPU_DM_PIPE_CRC_SOURCE_NONE.

[How]
Add checking condition that when source is
AMDGPU_DM_PIPE_CRC_SOURCE_NONE, we should also call
dc_stream_configure_crc() to disable crc calculation.

Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarWayne Lin <Wayne.Lin@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a7ddd221

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

+1 −1
Original line number Diff line number Diff line
@@ -113,7 +113,7 @@ int amdgpu_dm_crtc_configure_crc_source(struct drm_crtc *crtc, 
	mutex_lock(&adev->dm.dc_lock);



	/* Enable CRTC CRC generation if necessary. */

	if (dm_is_crc_source_crtc(source)) {

	if (dm_is_crc_source_crtc(source) || source == AMDGPU_DM_PIPE_CRC_SOURCE_NONE) {

		if (!dc_stream_configure_crc(stream_state->ctx->dc,

					     stream_state, NULL, enable, enable)) {

			ret = -EINVAL;