From: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Date: Tue, 16 Dec 2025 21:38:50 +0000 (-0500)
Subject: drm/amd/display: only power down dig on phy endpoints
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0839d8d24e6f1fc2587c4a976f44da9fa69ae3d0;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: only power down dig on phy endpoints

This avoids any issues with dpia endpoints

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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 b7593b886dc6..22c1d5e68420 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) {