1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #ifndef __INTEL_GGTT_GMCH_H__ 7 #define __INTEL_GGTT_GMCH_H__ 8 9 #include "intel_gtt.h" 10 11 /* For x86 platforms */ 12 #if IS_ENABLED(CONFIG_X86) 13 14 void intel_ggtt_gmch_flush(void); 15 int intel_ggtt_gmch_enable_hw(struct drm_i915_private *i915); 16 int intel_ggtt_gmch_probe(struct i915_ggtt *ggtt); 17 18 /* Stubs for non-x86 platforms */ 19 #else 20 21 static inline void intel_ggtt_gmch_flush(void) { } 22 static inline int intel_ggtt_gmch_enable_hw(struct drm_i915_private *i915) { return -ENODEV; } 23 static inline int intel_ggtt_gmch_probe(struct i915_ggtt *ggtt) { return -ENODEV; } 24 25 #endif 26 27 #endif /* __INTEL_GGTT_GMCH_H__ */ 28