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| author | Abdiel Janulgue <abdiel.janulgue@linux.intel.com> | 2019-12-31 21:03:56 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-12-31 21:41:50 +0100 |
| commit | 1764b992be0f1c4295d2d9572ec46d568bd3fc14 (patch) | |
| tree | 788f80935ebd15df9676dc6a66339062f71e382d /drivers/gpu/drm/i915/i915_drv.h | |
| parent | drm/i915/tgl: Assume future platforms will inherit TGL's SFC capability (diff) | |
| download | linux-1764b992be0f1c4295d2d9572ec46d568bd3fc14.tar.xz linux-1764b992be0f1c4295d2d9572ec46d568bd3fc14.zip | |
drm/i915: Introduce remap_io_sg() to prefault discontiguous objects
Provide a way to set the PTE within apply_page_range for discontiguous
objects in addition to the existing method of just incrementing the pfn
for a page range.
Fixes: cc662126b413 ("drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET")
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191231200356.409475-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index b7f122dccdca..c2348272e211 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2015,6 +2015,9 @@ int i915_reg_read_ioctl(struct drm_device *dev, void *data, int remap_io_mapping(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn, unsigned long size, struct io_mapping *iomap); +int remap_io_sg_page(struct vm_area_struct *vma, + unsigned long addr, unsigned long size, + struct scatterlist *sgl); static inline int intel_hws_csb_write_index(struct drm_i915_private *i915) { |