[PATCH 04/21] drm/amd/display: Fixing DIG FIFO Error

Pavle Kotarac pavle.kotarac at amd.com
Wed Sep 7 18:11:43 UTC 2022


From: Leo Chen <sancchen at amd.com>

[Why & How]
DIG_FIFO_READ_START_LEVEL should only be set to default value (7) by software.
Removed all instances of resetting the register to 0

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac at amd.com>
Signed-off-by: Leo Chen <sancchen at amd.com>
---
 .../gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c  | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c
index e3351ddc566c..06d8638db696 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c
@@ -67,8 +67,7 @@ static void enc314_disable_fifo(struct stream_encoder *enc)
 {
 	struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
 
-	REG_UPDATE_2(DIG_FIFO_CTRL0, DIG_FIFO_ENABLE, 0,
-		     DIG_FIFO_READ_START_LEVEL, 0);
+	REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_ENABLE, 0);
 }
 
 static void enc314_dp_set_odm_combine(
-- 
2.34.1



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