mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 05:11:48 +00:00
009946f89b
v2: Accidently removed an ILK case in i9xx_setup (Nicely found by Chris) CC: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by [v1] : Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* Common header for intel-gtt.ko and i915.ko */
|
|
|
|
#ifndef _DRM_INTEL_GTT_H
|
|
#define _DRM_INTEL_GTT_H
|
|
|
|
struct intel_gtt {
|
|
/* Size of memory reserved for graphics by the BIOS */
|
|
unsigned int stolen_size;
|
|
/* 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;
|
|
/* Whether i915 needs to use the dmar apis or not. */
|
|
unsigned int needs_dmar : 1;
|
|
/* Whether we idle the gpu before mapping/unmapping */
|
|
unsigned int do_idle_maps : 1;
|
|
/* Share the scratch page dma with ppgtts. */
|
|
dma_addr_t scratch_page_dma;
|
|
struct page *scratch_page;
|
|
/* for ppgtt PDE access */
|
|
u32 __iomem *gtt;
|
|
/* needed for ioremap in drm/i915 */
|
|
phys_addr_t gma_bus_addr;
|
|
} *intel_gtt_get(void);
|
|
|
|
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
|