lib/igt_gt: Add gem_engine_can_block_ggtt_binder

On MTL GGTT updates happens through MI_UPDATE_GGTT command.
Add a method to detect if a engine can block ggtt binder.

Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>

lib/igt_gt.c

@@ -659,3 +659,18 @@ int gem_execbuf_flags_to_engine_class(unsigned int flags)
 		igt_assert(0);
 	}
 }
+
+/**
+ * gem_engine_can_block_ggtt_binder:
+ * @fd: open i915 drm file descriptor
+ * @engine: engine to be assessed
+ *
+ * Detect if the platform needs blitter based GGTT
+ * updates.
+ */
+bool gem_engine_can_block_ggtt_binder(int fd,
+		const struct intel_execution_engine2 *engine)
+{
+	return IS_METEORLAKE(intel_get_drm_devid(fd)) &&
+		engine->class == I915_ENGINE_CLASS_COPY;
+}

lib/igt_gt.h

@@ -83,5 +83,7 @@ extern const struct intel_execution_engine2 {
 } intel_execution_engines2[];
 
 int gem_execbuf_flags_to_engine_class(unsigned int flags);
+bool gem_engine_can_block_ggtt_binder(int fd,
+		const struct intel_execution_engine2 *engine);
 
 #endif /* IGT_GT_H */