xref: /openbmc/linux/include/drm/intel-gtt.h (revision 23ed992a)
1 /* Common header for intel-gtt.ko and i915.ko */
2 
3 #ifndef _DRM_INTEL_GTT_H
4 #define	_DRM_INTEL_GTT_H
5 
6 const struct intel_gtt {
7 	/* Size of memory reserved for graphics by the BIOS */
8 	unsigned int stolen_size;
9 	/* Total number of gtt entries. */
10 	unsigned int gtt_total_entries;
11 	/* Part of the gtt that is mappable by the cpu, for those chips where
12 	 * this is not the full gtt. */
13 	unsigned int gtt_mappable_entries;
14 } *intel_gtt_get(void);
15 
16 
17 /* Special gtt memory types */
18 #define AGP_DCACHE_MEMORY	1
19 #define AGP_PHYS_MEMORY		2
20 
21 /* New caching attributes for gen6/sandybridge */
22 #define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
23 #define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
24 
25 /* flag for GFDT type */
26 #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
27 
28 #endif
29 
30