From: YiLing Chen <yi-lchen@amd.com>

[ 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>
---

LLM Generated explanations, may be completely bogus:

The background task completed but doesn't change my analysis. My
decision stands - this is a valid one-line bug fix for user-visible
display stuttering on DCN36 hardware.

**YES**

 drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 = {
-- 
2.51.0