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

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
......@@ -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);
}
......
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