From: Anthony Wang <anthony1.w...@amd.com>
[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.w...@amd.com>
Acked-by: Bindu Ramamurthy <bind...@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c
b/drivers/gpu/drm/amd/display/dc/core/dc.c
index e2cc1a141131..2f56fa2c0bf4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -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 */
--
2.25.1
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