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[4/5,SRU,OEM-5.14/Jammy] drm/amd/display: FEC configuration for dpia links in MST mode

Message ID 20221006184245.891152-5-vicamo.yang@canonical.com
State New
Headers show
Series AMD Yellow Carp system hang on HDMI plug in/out over dock station | expand

Commit Message

You-Sheng Yang Oct. 6, 2022, 6:42 p.m. UTC 
From: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>

BugLink: https://bugs.launchpad.net/bugs/1991974

[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>
(cherry picked from commit ed0ffb5dcde95a13bd0208db0b65416e8406699a)
Signed-off-by: You-Sheng Yang (vicamo) <vicamo.yang@canonical.com>
---
 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

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 2f2523d634ad..2b6e95d5fc23 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
@@ -532,7 +532,7 @@  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();