97d5539632
Give more flexibility to the caller, if they already have an allocated object, in case they wish to apply some transformation to the object prior to handing it over to the region specific initialisation step, like in gem_create_ext where we would like to first apply the extensions to the object. Signed-off-by: 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/20210114182402.840247-3-matthew.auld@intel.com
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
// SPDX-License-Identifier: MIT
|
|
/*
|
|
* Copyright © 2019 Intel Corporation
|
|
*/
|
|
|
|
#include "gem/i915_gem_region.h"
|
|
#include "intel_memory_region.h"
|
|
|
|
#include "mock_region.h"
|
|
|
|
static const struct drm_i915_gem_object_ops mock_region_obj_ops = {
|
|
.name = "mock-region",
|
|
.get_pages = i915_gem_object_get_pages_buddy,
|
|
.put_pages = i915_gem_object_put_pages_buddy,
|
|
.release = i915_gem_object_release_memory_region,
|
|
};
|
|
|
|
static int mock_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;
|
|
|
|
if (size > mem->mm.size)
|
|
return -E2BIG;
|
|
|
|
drm_gem_private_object_init(&i915->drm, &obj->base, size);
|
|
i915_gem_object_init(obj, &mock_region_obj_ops, &lock_class);
|
|
|
|
obj->read_domains = I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT;
|
|
|
|
i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
|
|
|
|
i915_gem_object_init_memory_region(obj, mem, flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct intel_memory_region_ops mock_region_ops = {
|
|
.init = intel_memory_region_init_buddy,
|
|
.release = intel_memory_region_release_buddy,
|
|
.init_object = mock_object_init,
|
|
};
|
|
|
|
struct intel_memory_region *
|
|
mock_region_create(struct drm_i915_private *i915,
|
|
resource_size_t start,
|
|
resource_size_t size,
|
|
resource_size_t min_page_size,
|
|
resource_size_t io_start)
|
|
{
|
|
return intel_memory_region_create(i915, start, size, min_page_size,
|
|
io_start, &mock_region_ops);
|
|
}
|