[Intel-xe] [PATCH v2 1/2] drm/xe: Skip applying copy engine fuses

Lucas De Marchi lucas.demarchi at intel.com
Tue Jun 13 18:03:55 UTC 2023


Like commit 69a3738ba57f ("drm/i915: Skip applying copy engine fuses"),
do not apply copy engine fuses for platforms where MEML3_EN is not
relevant for determining the presence of the copy engines.

Acked-by: Gustavo Sousa <gustavo.sousa at intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 drivers/gpu/drm/xe/xe_hw_engine.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c b/drivers/gpu/drm/xe/xe_hw_engine.c
index 68cd793cdfb5..b7b02c96e998 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine.c
+++ b/drivers/gpu/drm/xe/xe_hw_engine.c
@@ -492,6 +492,9 @@ static void read_copy_fuses(struct xe_gt *gt)
 	struct xe_device *xe = gt_to_xe(gt);
 	u32 bcs_mask;
 
+	if (GRAPHICS_VERx100(xe) < 1260 || GRAPHICS_VERx100(xe) >= 1270)
+		return;
+
 	xe_force_wake_assert_held(gt_to_fw(gt), XE_FW_GT);
 
 	bcs_mask = xe_mmio_read32(gt, MIRROR_FUSE3);
-- 
2.40.1



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