[PATCH] drm/i915: Disable blitter in MTL

[Nirmoy Das]

Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_engine_user.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_user.c b/drivers/gpu/drm/i915/gt/intel_engine_user.c
index dcedff41a825..0613af804fb6 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_user.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_user.c
@@ -228,6 +228,13 @@ void intel_engines_driver_register(struct drm_i915_private *i915)
 			continue;
 		}
 
+		/*
+		 * TODO: Add reference. SKip BCSo on MTL as this can cause
+		 * GuC to hang.
+		 */
+		if (IS_METEORLAKE(i915) && engine->class == COPY_ENGINE_CLASS)
+			continue;
+
 		GEM_BUG_ON(engine->class >= ARRAY_SIZE(uabi_classes));
 		engine->uabi_class = uabi_classes[engine->class];
 
-- 
2.39.0