Commit c6341f00 authored by Anthony Wang's avatar Anthony Wang Committed by Alex Deucher
Browse files

drm/amd/display: disable seamless boot for DP MST 



[Why]
Seamless boot over DP MST is not POR, but is not explicitly disabled.

[How]
Add check for DP MST and return false in
dc_validate_seamless_boot_timing.

Signed-off-by: default avatarAnthony Wang <anthony1.wang@amd.com>
Acked-by: default avatarBindu Ramamurthy <bindu.r@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c69eb740

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

+3 −2
Original line number Diff line number Diff line
@@ -1213,8 +1213,9 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc, 
	unsigned int i, enc_inst, tg_inst = 0;



	// Seamless port only support single DP and EDP so far

	if (sink->sink_signal != SIGNAL_TYPE_DISPLAY_PORT &&

		sink->sink_signal != SIGNAL_TYPE_EDP)

	if ((sink->sink_signal != SIGNAL_TYPE_DISPLAY_PORT &&

		sink->sink_signal != SIGNAL_TYPE_EDP) ||

		sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST)

		return false;



	/* Check for enabled DIG to identify enabled display */