[PATCH 05/19] drm/amd/display: disable seamless boot for external DP

[Aurabindo Pillai]

From: Anthony Wang <anthony1.wang at amd.com>

[Why]
Primary feature use case is with eDP panels.

[How]
Fail seamless boot validation if display is not an eDP panel.

Signed-off-by: Anthony Wang <anthony1.wang at amd.com>
Reviewed-by: Martin Leung <Martin.Leung at amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 724ddce8aa41..ee4970491d7b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1323,11 +1323,10 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc,
 	struct dc_link *link = sink->link;
 	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) ||
-		sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
+	/* Support seamless boot on EDP displays only */
+	if (sink->sink_signal != SIGNAL_TYPE_EDP) {
 		return false;
+	}
 
 	/* Check for enabled DIG to identify enabled display */
 	if (!link->link_enc->funcs->is_dig_enabled(link->link_enc))
-- 
2.31.1