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-rw-r--r--drivers/gpu/drm/i915/gt/intel_reset.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 7be0002d9d70..cf1f8a382c45 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -598,6 +598,15 @@ static int gen8_reset_engines(struct intel_gt *gt,
*/
}
+ /*
+ * Wa_22011100796:dg2, whenever Full soft reset is required,
+ * reset all individual engines firstly, and then do a full soft reset.
+ *
+ * This is best effort, so ignore any error from the initial reset.
+ */
+ if (IS_DG2(gt->i915) && engine_mask == ALL_ENGINES)
+ gen11_reset_engines(gt, gt->info.engine_mask, 0);
+
if (GRAPHICS_VER(gt->i915) >= 11)
ret = gen11_reset_engines(gt, engine_mask, retry);
else