diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_gmch.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_gmch.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_gmch.h b/drivers/gpu/drm/i915/gt/intel_gt_gmch.h new file mode 100644 index 000000000000..75ed55c1f30a --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_gt_gmch.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef __INTEL_GT_GMCH_H__ +#define __INTEL_GT_GMCH_H__ + +#include "intel_gtt.h" + +/* For x86 platforms */ +#if IS_ENABLED(CONFIG_X86) +void intel_gt_gmch_gen5_chipset_flush(struct intel_gt *gt); +int intel_gt_gmch_gen6_probe(struct i915_ggtt *ggtt); +int intel_gt_gmch_gen8_probe(struct i915_ggtt *ggtt); +int intel_gt_gmch_gen5_probe(struct i915_ggtt *ggtt); +int intel_gt_gmch_gen5_enable_hw(struct drm_i915_private *i915); + +/* Stubs for non-x86 platforms */ +#else +static inline void intel_gt_gmch_gen5_chipset_flush(struct intel_gt *gt) +{ +} +static inline int intel_gt_gmch_gen5_probe(struct i915_ggtt *ggtt) +{ + /* No HW should be probed for this case yet, return fail */ + return -ENODEV; +} +static inline int intel_gt_gmch_gen6_probe(struct i915_ggtt *ggtt) +{ + /* No HW should be probed for this case yet, return fail */ + return -ENODEV; +} +static inline int intel_gt_gmch_gen8_probe(struct i915_ggtt *ggtt) +{ + /* No HW should be probed for this case yet, return fail */ + return -ENODEV; +} +static inline int intel_gt_gmch_gen5_enable_hw(struct drm_i915_private *i915) +{ + /* No HW should be enabled for this case yet, return fail */ + return -ENODEV; +} +#endif + +#endif /* __INTEL_GT_GMCH_H__ */ |