[PATCH 67/67] drm/amd/display: Disable PHYSYMCLK RCO

Zaeem Mohamed zaeem.mohamed at amd.com
Thu Jun 6 21:56:32 UTC 2024


From: Daniel Miess <daniel.miess at amd.com>

[Why]
PHYSYMCLK RCO has been found to lead to crashes in some
corner cases

[How]
Disable PHYSYMCLK RCO debug bit

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed at amd.com>
Signed-off-by: Daniel Miess <daniel.miess at amd.com>
---
 drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c  | 2 +-
 .../gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
index 5edccd565b05..0094ef223c5d 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
@@ -758,7 +758,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 			.symclk32_se = true,
 			.symclk32_le = true,
 			.symclk_fe = true,
-			.physymclk = true,
+			.physymclk = false,
 			.dpiasymclk = true,
 		}
 	},
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
index 203fd4aaf9f9..30b40ba0c324 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
@@ -738,7 +738,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 			.symclk32_se = true,
 			.symclk32_le = true,
 			.symclk_fe = true,
-			.physymclk = true,
+			.physymclk = false,
 			.dpiasymclk = true,
 		}
 	},
-- 
2.34.1



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