[PATCH 11/18] drm/amd/display: Disable mem low power for CM HW block on DCN3.1

Rodrigo Siqueira Rodrigo.Siqueira at amd.com
Fri Sep 17 19:25:17 UTC 2021


From: Michael Strauss <michael.strauss at amd.com>

[WHY]
Currently causes visible flicker in some scenarios on OLED eDPs

Reviewed-by: Haonan Wang <haonan.wang2 at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
Signed-off-by: Michael Strauss <michael.strauss at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
index a823a64d02a5..0b60ac676423 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -1013,7 +1013,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 			.i2c = true,
 			.dmcu = false, // This is previously known to cause hang on S3 cycles if enabled
 			.dscl = true,
-			.cm = true,
+			.cm = false, // visible flicker on OLED eDPs
 			.mpc = true,
 			.optc = true,
 			.vpg = true,
-- 
2.25.1



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