diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2019-10-08 19:01:16 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-08 22:50:01 +0300 |
| commit | 7c98501acb94318819f5ea764fc3aae09f69aff6 (patch) | |
| tree | 141e7324dafb25bdc9d05807535650df39b811f6 /drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | |
| parent | 2f0b97ca02118630132dddf258fbdb5d5f5ec32a (diff) | |
| download | linux-7c98501acb94318819f5ea764fc3aae09f69aff6.tar.xz | |
drm/i915/region: support volatile objects
Volatile objects are marked as DONTNEED while pinned, therefore once
unpinned the backing store can be discarded. This is limited to kernel
internal objects.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: CQ Tang <cq.tang@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.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/20191008160116.18379-4-matthew.auld@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index 165b3a7f9744..ebe735df6504 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -82,8 +82,6 @@ static int fake_get_pages(struct drm_i915_gem_object *obj) } GEM_BUG_ON(rem); - obj->mm.madv = I915_MADV_DONTNEED; - __i915_gem_object_set_pages(obj, pages, sg_page_sizes); return 0; @@ -95,7 +93,6 @@ static void fake_put_pages(struct drm_i915_gem_object *obj, { fake_free_pages(obj, pages); obj->mm.dirty = false; - obj->mm.madv = I915_MADV_WILLNEED; } static const struct drm_i915_gem_object_ops fake_ops = { @@ -122,6 +119,8 @@ fake_dma_object(struct drm_i915_private *i915, u64 size) drm_gem_private_object_init(&i915->drm, &obj->base, size); i915_gem_object_init(obj, &fake_ops); + i915_gem_object_set_volatile(obj); + obj->write_domain = I915_GEM_DOMAIN_CPU; obj->read_domains = I915_GEM_DOMAIN_CPU; obj->cache_level = I915_CACHE_NONE; |