Commit e50f67cf authored by Aurabindo Pillai's avatar Aurabindo Pillai Committed by Alex Deucher
Browse files

drm/amd/display: Do not trigger timing sync for phantom pipes 



[Why&How]
Doing timing sync seqence for phantom pipes will not go through since
they are not fully programmed like normal pipes. Skip the sequence on
such pipes

Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: default avatarAlvin Lee <Alvin.Lee2@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c19d3eac

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

+23 −3
Original line number Diff line number Diff line
@@ -2244,6 +2244,9 @@ void dcn10_enable_timing_synchronization( 
	DC_SYNC_INFO("Setting up OTG reset trigger\n");



	for (i = 1; i < group_size; i++) {

		if (grouped_pipes[i]->stream && grouped_pipes[i]->stream->mall_stream_config.type == SUBVP_PHANTOM)

			continue;



		opp = grouped_pipes[i]->stream_res.opp;

		tg = grouped_pipes[i]->stream_res.tg;

		tg->funcs->get_otg_active_size(tg, &width, &height);
@@ -2254,13 +2257,21 @@ void dcn10_enable_timing_synchronization( 
	for (i = 0; i < group_size; i++) {

		if (grouped_pipes[i]->stream == NULL)

			continue;



		if (grouped_pipes[i]->stream && grouped_pipes[i]->stream->mall_stream_config.type == SUBVP_PHANTOM)

			continue;



		grouped_pipes[i]->stream->vblank_synchronized = false;

	}



	for (i = 1; i < group_size; i++)

	for (i = 1; i < group_size; i++) {

		if (grouped_pipes[i]->stream && grouped_pipes[i]->stream->mall_stream_config.type == SUBVP_PHANTOM)

			continue;



		grouped_pipes[i]->stream_res.tg->funcs->enable_reset_trigger(

				grouped_pipes[i]->stream_res.tg,

				grouped_pipes[0]->stream_res.tg->inst);

	}



	DC_SYNC_INFO("Waiting for trigger\n");
@@ -2268,12 +2279,21 @@ void dcn10_enable_timing_synchronization( 
	 * synchronized. Look at last pipe programmed to reset.

	 */



	if (grouped_pipes[1]->stream && grouped_pipes[1]->stream->mall_stream_config.type != SUBVP_PHANTOM)

		wait_for_reset_trigger_to_occur(dc_ctx, grouped_pipes[1]->stream_res.tg);

	for (i = 1; i < group_size; i++)



	for (i = 1; i < group_size; i++) {

		if (grouped_pipes[i]->stream && grouped_pipes[i]->stream->mall_stream_config.type == SUBVP_PHANTOM)

			continue;



		grouped_pipes[i]->stream_res.tg->funcs->disable_reset_trigger(

				grouped_pipes[i]->stream_res.tg);

	}



	for (i = 1; i < group_size; i++) {

		if (grouped_pipes[i]->stream && grouped_pipes[i]->stream->mall_stream_config.type == SUBVP_PHANTOM)

			continue;



		opp = grouped_pipes[i]->stream_res.opp;

		tg = grouped_pipes[i]->stream_res.tg;

		tg->funcs->get_otg_active_size(tg, &width, &height);