b75947e6b2
Underneath it's the same stuff, so things like the PTE_LM bits for the GTT should just keep working as-is. Signed-off-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210421104658.304142-2-matthew.auld@intel.com
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
// SPDX-License-Identifier: MIT
|
|
/*
|
|
* Copyright © 2019 Intel Corporation
|
|
*/
|
|
|
|
#include "intel_memory_region.h"
|
|
#include "gem/i915_gem_region.h"
|
|
#include "gem/i915_gem_lmem.h"
|
|
#include "i915_drv.h"
|
|
|
|
const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops = {
|
|
.name = "i915_gem_object_lmem",
|
|
.flags = I915_GEM_OBJECT_HAS_IOMEM,
|
|
|
|
.get_pages = i915_gem_object_get_pages_buddy,
|
|
.put_pages = i915_gem_object_put_pages_buddy,
|
|
.release = i915_gem_object_release_memory_region,
|
|
};
|
|
|
|
bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj)
|
|
{
|
|
struct intel_memory_region *mr = obj->mm.region;
|
|
|
|
return mr && (mr->type == INTEL_MEMORY_LOCAL ||
|
|
mr->type == INTEL_MEMORY_STOLEN_LOCAL);
|
|
}
|
|
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create_lmem(struct drm_i915_private *i915,
|
|
resource_size_t size,
|
|
unsigned int flags)
|
|
{
|
|
return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM],
|
|
size, flags);
|
|
}
|
|
|
|
int __i915_gem_lmem_object_init(struct intel_memory_region *mem,
|
|
struct drm_i915_gem_object *obj,
|
|
resource_size_t size,
|
|
unsigned int flags)
|
|
{
|
|
static struct lock_class_key lock_class;
|
|
struct drm_i915_private *i915 = mem->i915;
|
|
|
|
drm_gem_private_object_init(&i915->drm, &obj->base, size);
|
|
i915_gem_object_init(obj, &i915_gem_lmem_obj_ops, &lock_class, flags);
|
|
|
|
obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
|
|
|
|
i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
|
|
|
|
i915_gem_object_init_memory_region(obj, mem);
|
|
|
|
return 0;
|
|
}
|