Commit f0882d3a authored by Dmytro Laktyushkin's avatar Dmytro Laktyushkin Committed by Alex Deucher
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drm/amd/display: prevent seamless boot on displays that don't have the preferred dig 



Seamless boot requires VBIOS to select dig matching to link order wise. A significant
amount of dal logic makes assumption we are using preferred dig for eDP and if this
isn't the case then seamless boot is not supported.

Reviewed-by: default avatarMartin Leung <Martin.Leung@amd.com>
Acked-by: default avatarStylon Wang <stylon.wang@amd.com>
Signed-off-by: default avatarDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5f9f97c0

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

+3 −0
Original line number Diff line number Diff line
@@ -1556,6 +1556,9 @@ bool dc_validate_boot_timing(const struct dc *dc, 
	if (tg_inst >= dc->res_pool->timing_generator_count)

		return false;



	if (tg_inst != link->link_enc->preferred_engine)

		return false;



	tg = dc->res_pool->timing_generators[tg_inst];



	if (!tg->funcs->get_hw_timing)