drm/i915: Introduce remap_io_sg() to prefault discontiguous objects

Browse source

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: cc662126b4 ("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

...

This commit is contained in:

Abdiel Janulgue 2019-12-31 20:03:56 +00:00 • committed by Chris Wilson

parent cc39da0e4c

commit 1764b992be

3 changed files with 74 additions and 20 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

32

drivers/gpu/drm/i915/gem/i915_gem_mman.c

View file

3

drivers/gpu/drm/i915/i915_drv.h

View file

59

drivers/gpu/drm/i915/i915_mm.c

View file