tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 u32 *stolen_size,
9 phys_addr_t *mappable_base,
10 u64 *mappable_end);
11
12int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
13 struct agp_bridge_data *bridge);
14void intel_gmch_remove(void);
15
16bool intel_enable_gtt(void);
17
18void intel_gtt_chipset_flush(void);
19void intel_gtt_insert_page(dma_addr_t addr,
20 unsigned int pg,
21 unsigned int flags);
22void intel_gtt_insert_sg_entries(struct sg_table *st,
23 unsigned int pg_start,
24 unsigned int flags);
25void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
26
27/* Special gtt memory types */
28#define AGP_DCACHE_MEMORY 1
29#define AGP_PHYS_MEMORY 2
30
31/* flag for GFDT type */
32#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
33
34#ifdef CONFIG_INTEL_IOMMU
35extern int intel_iommu_gfx_mapped;
36#endif
37
38#endif