From: YiLing Chen <yi-lchen@amd.com>
Date: Tue, 27 Jan 2026 05:32:40 +0000 (+0800)
Subject: drm/amd/display: set enable_legacy_fast_update to false for DCN36
X-Git-Tag: v6.19.6~420
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb9854377ddfb456cb1c1097fbe5549a541e0866;p=thirdparty%2Fkernel%2Fstable.git

drm/amd/display: set enable_legacy_fast_update to false for DCN36

[ Upstream commit d0728aee5090853d0b9982757f5fb1b13e2e2b27 ]

[Why/How]
Align the default value of the flag with DCN35/351.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: YiLing Chen <yi-lchen@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
index 6469d5fe2e6d4..a1132102afde4 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
@@ -769,7 +769,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 };
 
 static const struct dc_check_config config_defaults = {
-	.enable_legacy_fast_update = true,
+	.enable_legacy_fast_update = false,
 };
 
 static const struct dc_panel_config panel_config_defaults = {