Commit e6bddf6c authored by Wenjing Liu's avatar Wenjing Liu Committed by Alex Deucher
Browse files

drm/amd/display: add pipe lock during stream update 



[why]
Stream update will adjust both info packets and stream params,
need to make sure all things are applied togather.

[how]
add pipe lock during stream update

Signed-off-by: default avatarWenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: default avatarJun Lei <Jun.Lei@amd.com>
Acked-by: default avatarLeo Li <sunpeng.li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3af91bb1

drivers/gpu/drm/amd/display/dc/core/dc.c

+2 −0
Original line number Diff line number Diff line
@@ -1672,6 +1672,7 @@ static void commit_planes_do_stream_update(struct dc *dc, 
				continue;



			if (stream_update->dpms_off) {

				dc->hwss.pipe_control_lock(dc, pipe_ctx, true);

				if (*stream_update->dpms_off) {

					core_link_disable_stream(pipe_ctx, KEEP_ACQUIRED_RESOURCE);

					dc->hwss.optimize_bandwidth(dc, dc->current_state);
@@ -1679,6 +1680,7 @@ static void commit_planes_do_stream_update(struct dc *dc, 
					dc->hwss.prepare_bandwidth(dc, dc->current_state);

					core_link_enable_stream(dc->current_state, pipe_ctx);

				}

				dc->hwss.pipe_control_lock(dc, pipe_ctx, false);

			}



			if (stream_update->abm_level && pipe_ctx->stream_res.abm) {

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