1/* SPDX-License-Identifier: GPL-2.0 */ 2/* Common header for intel-gtt.ko and i915.ko */ 3 4#ifndef _DRM_INTEL_GTT_H 5#define _DRM_INTEL_GTT_H 6 7void intel_gtt_get(u64 *gtt_total, 8 phys_addr_t *mappable_base, 9 resource_size_t *mappable_end); 10 11int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, 12 struct agp_bridge_data *bridge); 13void intel_gmch_remove(void); 14 15bool intel_enable_gtt(void); 16 17void intel_gtt_chipset_flush(void); 18void intel_gtt_insert_page(dma_addr_t addr, 19 unsigned int pg, 20 unsigned int flags); 21void intel_gtt_insert_sg_entries(struct sg_table *st, 22 unsigned int pg_start, 23 unsigned int flags); 24void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); 25 26/* Special gtt memory types */ 27#define AGP_DCACHE_MEMORY 1 28#define AGP_PHYS_MEMORY 2 29 30/* flag for GFDT type */ 31#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) 32 33#ifdef CONFIG_INTEL_IOMMU 34extern int intel_iommu_gfx_mapped; 35#endif 36 37#endif 38