[PATCH v1] drm/xe/guc: Disable lite restore for MTL

Zhanjun Dong zhanjun.dong at intel.com
Tue Mar 18 14:18:02 UTC 2025


Lite restore for MTL is not POR for Xe, then disable it for MTL.

Signed-off-by: Zhanjun Dong <zhanjun.dong at intel.com>
---
 drivers/gpu/drm/xe/xe_guc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c
index bc5714a5b36b..0c2629e578d9 100644
--- a/drivers/gpu/drm/xe/xe_guc.c
+++ b/drivers/gpu/drm/xe/xe_guc.c
@@ -80,7 +80,9 @@ static u32 guc_ctl_debug_flags(struct xe_guc *guc)
 
 static u32 guc_ctl_feature_flags(struct xe_guc *guc)
 {
-	u32 flags = GUC_CTL_ENABLE_LITE_RESTORE;
+	u32 flags = (guc_to_xe(guc)->info.platform == XE_METEORLAKE) ?
+		    0 : GUC_CTL_ENABLE_LITE_RESTORE;
+
 
 	if (!guc_to_xe(guc)->info.skip_guc_pc)
 		flags |= GUC_CTL_ENABLE_SLPC;
-- 
2.34.1



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