From: Anthony Wang <anthony1.wang@xxxxxxx>
[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@xxxxxxx>
Reviewed-by: Martin Leung <Martin.Leung@xxxxxxx>
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 757820a3f068..724ddce8aa41 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -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;
--
2.31.1
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