diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2019-10-25 16:37:22 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-25 22:55:31 +0100 |
| commit | b908be543e4441476916f2ae36cebc95cb187436 (patch) | |
| tree | 601f8731b32a4022b09070583ffd4806c583682c /drivers/gpu/drm/i915/gem/i915_gem_lmem.h | |
| parent | 7be8782a502fdb60e1f99c82a8d6b3015a2a6bc4 (diff) | |
drm/i915: support creating LMEM objects
We currently define LMEM, or local memory, as just another memory
region, like system memory or stolen, which we can expose to userspace
and can be mapped to the CPU via some BAR.
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>
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/20191025153728.23689-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_lmem.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_lmem.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h new file mode 100644 index 000000000000..fc3f15580fe3 --- /dev/null +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __I915_GEM_LMEM_H +#define __I915_GEM_LMEM_H + +#include <linux/types.h> + +struct drm_i915_private; +struct drm_i915_gem_object; +struct intel_memory_region; + +extern const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops; + +bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj); + +struct drm_i915_gem_object * +i915_gem_object_create_lmem(struct drm_i915_private *i915, + resource_size_t size, + unsigned int flags); + +struct drm_i915_gem_object * +__i915_gem_lmem_object_create(struct intel_memory_region *mem, + resource_size_t size, + unsigned int flags); + +#endif /* !__I915_GEM_LMEM_H */ |