[PATCH 6.19 169/844] drm/amd/display: only power down dig on phy endpoints
From: Sasha Levin
Date: Sat Feb 28 2026 - 13:12:34 EST
From: Dmytro Laktyushkin <dmytro.laktyushkin@xxxxxxx>
[ Upstream commit 0839d8d24e6f1fc2587c4a976f44da9fa69ae3d0 ]
This avoids any issues with dpia endpoints
Reviewed-by: Charlene Liu <charlene.liu@xxxxxxx>
Signed-off-by: Dmytro Laktyushkin <dmytro.laktyushkin@xxxxxxx>
Signed-off-by: Matthew Stewart <matthew.stewart2@xxxxxxx>
Tested-by: Dan Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
index f04cbdb3d3814..1ce61f0570201 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
@@ -287,6 +287,8 @@ void dcn401_init_hw(struct dc *dc)
for (i = 0; i < dc->link_count; i++) {
struct dc_link *link = dc->links[i];
+ if (link->ep_type != DISPLAY_ENDPOINT_PHY)
+ continue;
if (link->link_enc->funcs->is_dig_enabled &&
link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
hws->funcs.power_down) {
--
2.51.0