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

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[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: Anthony Wang <anthony1.wang@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Wang 2021-02-09 14:42:35 -05:00 committed by Alex Deucher
parent c69eb74049
commit c6341f008a
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -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 */