]> git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/blob - include/drm/intel-gtt.h
Merge branch 'next' into for-linus
[mirror_ubuntu-hirsute-kernel.git] / include / drm / intel-gtt.h
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
7 #include <linux/agp_backend.h>
8 #include <linux/kernel.h>
9
10 void intel_gtt_get(u64 *gtt_total,
11 phys_addr_t *mappable_base,
12 resource_size_t *mappable_end);
13
14 int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
15 struct agp_bridge_data *bridge);
16 void intel_gmch_remove(void);
17
18 bool intel_enable_gtt(void);
19
20 void intel_gtt_chipset_flush(void);
21 void intel_gtt_insert_page(dma_addr_t addr,
22 unsigned int pg,
23 unsigned int flags);
24 void intel_gtt_insert_sg_entries(struct sg_table *st,
25 unsigned int pg_start,
26 unsigned int flags);
27 void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
28
29 /* Special gtt memory types */
30 #define AGP_DCACHE_MEMORY 1
31 #define AGP_PHYS_MEMORY 2
32
33 /* flag for GFDT type */
34 #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
35
36 #ifdef CONFIG_INTEL_IOMMU
37 extern int intel_iommu_gfx_mapped;
38 #endif
39
40 #endif