Ejemplos de amdgpu_ttm_tt_has_userptr en C++ (Cpp)

Ejemplo n.º 1

Archivo: amdgpu_prime.c Proyecto: AntonGitName/au-linux-kernel-spring-2016

struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
					struct drm_gem_object *gobj,
					int flags)
{
	struct amdgpu_bo *bo = gem_to_amdgpu_bo(gobj);

	if (amdgpu_ttm_tt_has_userptr(bo->tbo.ttm))
		return ERR_PTR(-EPERM);

	return drm_gem_prime_export(dev, gobj, flags);
}

Ejemplo n.º 2

static int amdgpu_bo_list_set(struct amdgpu_device *adev,
				     struct drm_file *filp,
				     struct amdgpu_bo_list *list,
				     struct drm_amdgpu_bo_list_entry *info,
				     unsigned num_entries)
{
	struct amdgpu_bo_list_entry *array;
	struct amdgpu_bo *gds_obj = adev->gds.gds_gfx_bo;
	struct amdgpu_bo *gws_obj = adev->gds.gws_gfx_bo;
	struct amdgpu_bo *oa_obj = adev->gds.oa_gfx_bo;

	bool has_userptr = false;
	unsigned i;

	array = drm_malloc_ab(num_entries, sizeof(struct amdgpu_bo_list_entry));
	if (!array)
		return -ENOMEM;
	memset(array, 0, num_entries * sizeof(struct amdgpu_bo_list_entry));

	for (i = 0; i < num_entries; ++i) {
		struct amdgpu_bo_list_entry *entry = &array[i];
		struct drm_gem_object *gobj;

		gobj = drm_gem_object_lookup(adev->ddev, filp, info[i].bo_handle);
		if (!gobj)
			goto error_free;

		entry->robj = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
		drm_gem_object_unreference_unlocked(gobj);
		entry->priority = info[i].bo_priority;
		entry->prefered_domains = entry->robj->initial_domain;
		entry->allowed_domains = entry->prefered_domains;
		if (entry->allowed_domains == AMDGPU_GEM_DOMAIN_VRAM)
			entry->allowed_domains |= AMDGPU_GEM_DOMAIN_GTT;
		if (amdgpu_ttm_tt_has_userptr(entry->robj->tbo.ttm)) {
			has_userptr = true;
			entry->prefered_domains = AMDGPU_GEM_DOMAIN_GTT;
			entry->allowed_domains = AMDGPU_GEM_DOMAIN_GTT;
		}
		entry->tv.bo = &entry->robj->tbo;
		entry->tv.shared = !entry->robj->prime_shared_count;

		if (entry->prefered_domains == AMDGPU_GEM_DOMAIN_GDS)
			gds_obj = entry->robj;
		if (entry->prefered_domains == AMDGPU_GEM_DOMAIN_GWS)
			gws_obj = entry->robj;
		if (entry->prefered_domains == AMDGPU_GEM_DOMAIN_OA)
			oa_obj = entry->robj;

		trace_amdgpu_bo_list_set(list, entry->robj);
	}

	for (i = 0; i < list->num_entries; ++i)
		amdgpu_bo_unref(&list->array[i].robj);

	drm_free_large(list->array);

	list->gds_obj = gds_obj;
	list->gws_obj = gws_obj;
	list->oa_obj = oa_obj;
	list->has_userptr = has_userptr;
	list->array = array;
	list->num_entries = num_entries;

	return 0;

error_free:
	drm_free_large(array);
	return -ENOENT;
}