From 8ac4b0397f18b930684b13d65b705a8efa8ff459 Mon Sep 17 00:00:00 2001
From: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Date: Mon, 20 Sep 2021 10:59:30 -0400
Subject: drm/amd/display: FEC configuration for dpia links in MST mode
Git-commit: ed0ffb5dcde95a13bd0208db0b65416e8406699a
Patch-mainline: v5.16-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]
To fix the check condition for fec enable for dpia links in MST mode.
[How]
dc_link_should_enable_fec() to be used to check whether fec should be
enabled in MST mode.
Cc: Wayne Lin <wayne.lin@amd.com>
Reviewed-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
index 19b085d84b1f..ee6f13bef377 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
@@ -476,7 +476,7 @@ void dcn31_link_encoder_enable_dp_mst_output(
if (link) {
dpia_control.dpia_id = link->ddc_hw_inst;
- dpia_control.fec_rdy = link->fec_state == dc_link_fec_ready ? 1 : 0;
+ dpia_control.fec_rdy = dc_link_should_enable_fec(link);
} else {
DC_LOG_ERROR("%s: Failed to execute DPIA enable DMUB command.\n", __func__);
BREAK_TO_DEBUGGER();
--
2.38.1