diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2019-10-08 19:01:15 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-08 22:50:01 +0300 |
| commit | 2f0b97ca02118630132dddf258fbdb5d5f5ec32a (patch) | |
| tree | 655a905f97962439bc6069ae84c45164428bb8ae /drivers/gpu/drm/i915/intel_memory_region.h | |
| parent | 232a6ebae419193f5b8da4fa869ae5089ab105c2 (diff) | |
| download | linux-2f0b97ca02118630132dddf258fbdb5d5f5ec32a.tar.xz | |
drm/i915/region: support contiguous allocations
Some kernel internal objects may need to be allocated as a contiguous
block, also thinking ahead the various kernel io_mapping interfaces seem
to expect it, although this is purely a limitation in the kernel
API...so perhaps something to be improved.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Michael J Ruhl <michael.j.ruhl@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/20191008160116.18379-3-matthew.auld@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_memory_region.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_memory_region.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index 2ea17d6c31ed..29b86ca17dd9 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -18,7 +18,8 @@ struct drm_i915_gem_object; struct intel_memory_region; struct sg_table; -#define I915_ALLOC_MIN_PAGE_SIZE BIT(0) +#define I915_ALLOC_MIN_PAGE_SIZE BIT(0) +#define I915_ALLOC_CONTIGUOUS BIT(1) struct intel_memory_region_ops { unsigned int flags; |