Eric Lee / smarc-fsl-linux-kernel

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include/drm/intel-gtt.h 987 Bytes
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81f7e3824   Eric Lee   Initial Release, ... 
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  /* SPDX-License-Identifier: GPL-2.0 */
  /* Common header for intel-gtt.ko and i915.ko */
  
  #ifndef _DRM_INTEL_GTT_H
  #define	_DRM_INTEL_GTT_H
  
  void intel_gtt_get(u64 *gtt_total,
  		   u32 *stolen_size,
  		   phys_addr_t *mappable_base,
  		   u64 *mappable_end);
  
  int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
  		     struct agp_bridge_data *bridge);
  void intel_gmch_remove(void);
  
  bool intel_enable_gtt(void);
  
  void intel_gtt_chipset_flush(void);
  void intel_gtt_insert_page(dma_addr_t addr,
  			   unsigned int pg,
  			   unsigned int flags);
  void intel_gtt_insert_sg_entries(struct sg_table *st,
  				 unsigned int pg_start,
  				 unsigned int flags);
  void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
  
  /* Special gtt memory types */
  #define AGP_DCACHE_MEMORY	1
  #define AGP_PHYS_MEMORY		2
  
  /* flag for GFDT type */
  #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
  
  #ifdef CONFIG_INTEL_IOMMU
  extern int intel_iommu_gfx_mapped;
  #endif
  
  #endif