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drm/amd/display: Add DSC check to seamless boot validation 

[Why & How]
We want to immediately fail seamless boot validation if DSC is active,
as VBIOS currently does not support DSC timings. Add a check for
the relevant flag in dc_validate_seamless_boot_timing.

Signed-off-by: Anthony Wang <anthony1.wang@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@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 2021-04-05 17:13:58 -04:00 committed by Alex Deucher
parent 19cc1f3829
commit 7cd69b95a8
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -1400,6 +1400,10 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc,
if (crtc_timing->v_sync_width != hw_crtc_timing.v_sync_width)
return false;
/* block DSC for now, as VBIOS does not currently support DSC timings */
if (crtc_timing->flags.DSC)
return false;
if (dc_is_dp_signal(link->connector_signal)) {
unsigned int pix_clk_100hz;