From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Tue, 13 Jun 2023 18:03:55 +0000 (-0700)
Subject: drm/xe: Skip applying copy engine fuses
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=898f86c23c600c8f70bf1a03e81a7be97038a72d;p=linux.git

drm/xe: Skip applying copy engine fuses

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@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230613180356.2906441-1-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---

diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c b/drivers/gpu/drm/xe/xe_hw_engine.c
index 68cd793cdfb56..b7b02c96e9982 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);