From 33a73ddb172782abe4d50db04df796c2c6fb0b6c Mon Sep 17 00:00:00 2001
From: Jingwen Zhu <Jingwen.Zhu@github.amd.com>
Date: Tue, 15 Mar 2022 13:15:27 +0800
Subject: drm/amd/display: set link fec status during init for DCN32
Git-commit: 6ea843e01bce520cf5dea86bc30c5133e0d0822d
Patch-mainline: v6.0-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 jsc#PED-2849
We can now enable FEC.
Signed-off-by: Jingwen Zhu <Jingwen.Zhu@github.amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index 5994edc3dd0c..04360553a43f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -635,8 +635,12 @@ void dcn32_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