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7789422665
Now that we are using struct resource to track the stolen region, it is
more convenient if we track dsm in a resource as well.
v2: check range_overflow when writing to 32b registers (Chris)
pepper in some comments (Chris)
v3: refit i915_stolen_to_dma()
v4: kill ggtt->stolen_size
v5: some more polish
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171211151822.20953-6-matthew.auld@intel.com
37 lines
964 B
C
37 lines
964 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Common header for intel-gtt.ko and i915.ko */
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#ifndef _DRM_INTEL_GTT_H
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#define _DRM_INTEL_GTT_H
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void intel_gtt_get(u64 *gtt_total,
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phys_addr_t *mappable_base,
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u64 *mappable_end);
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int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
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struct agp_bridge_data *bridge);
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void intel_gmch_remove(void);
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bool intel_enable_gtt(void);
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void intel_gtt_chipset_flush(void);
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void intel_gtt_insert_page(dma_addr_t addr,
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unsigned int pg,
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unsigned int flags);
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void intel_gtt_insert_sg_entries(struct sg_table *st,
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unsigned int pg_start,
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unsigned int flags);
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void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
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/* Special gtt memory types */
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#define AGP_DCACHE_MEMORY 1
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#define AGP_PHYS_MEMORY 2
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/* flag for GFDT type */
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#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
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#ifdef CONFIG_INTEL_IOMMU
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extern int intel_iommu_gfx_mapped;
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#endif
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#endif
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