Commit 6066aaf7 authored by Aurabindo Pillai's avatar Aurabindo Pillai Committed by Alex Deucher
Browse files

drm/amd/display: trigger timing sync only if TG is running 



[Why&How]
If the timing generator isnt running, it does not make sense to trigger
a sync on the corresponding OTG. Check this condition before starting.
Otherwise, this will cause error like:

*ERROR* GSL: Timeout on reset trigger!

Fixes: dc55b106 ("drm/amd/display: Disable phantom OTG after enable for plane disable")
Signed-off-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 25b2483c

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

+6 −0
Original line number Diff line number Diff line
@@ -2252,6 +2252,12 @@ void dcn10_enable_timing_synchronization( 
		opp = grouped_pipes[i]->stream_res.opp;

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

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



		if (!tg->funcs->is_tg_enabled(tg)) {

			DC_SYNC_INFO("Skipping timing sync on disabled OTG\n");

			return;

		}



		if (opp->funcs->opp_program_dpg_dimensions)

			opp->funcs->opp_program_dpg_dimensions(opp, width, 2*(height) + 1);

	}