From 925f73100045f1dca09826c29ce1a8d014f28410 Mon Sep 17 00:00:00 2001
From: Jingwen Zhu <Jingwen.Zhu@amd.com>
Date: Fri, 1 Apr 2022 06:30:56 +0800
Subject: drm/amd/display: add DCN30 support FEC init
Git-commit: 30ffa74a04b6e48080f3181b29d2693b8486ca1e
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
[Why]
FEC init used on DCN30.
[How]
Check fec active when HW init.
Co-authored-by: Jingwen Zhu <Jingwen.Zhu@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Jingwen Zhu <Jingwen.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
index f61ec8763844..782b8db451b4 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
@@ -535,8 +535,12 @@ void dcn30_init_hw(struct dc *dc)
/* Check for enabled DIG to identify enabled display */
if (link->link_enc->funcs->is_dig_enabled &&
- link->link_enc->funcs->is_dig_enabled(link->link_enc))
+ link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
link->link_status.link_active = true;
+ if (link->link_enc->funcs->fec_is_active &&
+ link->link_enc->funcs->fec_is_active(link->link_enc))
+ link->fec_state = dc_link_fec_enabled;
+ }
}
/* Power gate DSCs */
--
2.38.1