diff options
Diffstat (limited to 'include/drm/intel-gtt.h')
| -rw-r--r-- | include/drm/intel-gtt.h | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h index d3c81946f61..b08bdade600 100644 --- a/include/drm/intel-gtt.h +++ b/include/drm/intel-gtt.h @@ -2,17 +2,31 @@ #ifndef _DRM_INTEL_GTT_H #define _DRM_INTEL_GTT_H -struct intel_gtt { - /* Number of stolen gtt entries at the beginning. */ - unsigned int gtt_stolen_entries; - /* Total number of gtt entries. */ - unsigned int gtt_total_entries; - /* Part of the gtt that is mappable by the cpu, for those chips where - * this is not the full gtt. */ - unsigned int gtt_mappable_entries; -}; - -struct intel_gtt *intel_gtt_get(void); +void intel_gtt_get(size_t *gtt_total, size_t *stolen_size, + phys_addr_t *mappable_base, unsigned long *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_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 |