guc_ggtt_invalidate 3283 drivers/gpu/drm/i915/i915_gem_gtt.c 	ggtt->invalidate = guc_ggtt_invalidate;
guc_ggtt_invalidate 3295 drivers/gpu/drm/i915/i915_gem_gtt.c 	GEM_BUG_ON(ggtt->invalidate != guc_ggtt_invalidate);