C++ (Cpp) i915_coherent_map_type 예제들

예제 #1

파일: intel_hangcheck.c 프로젝트: AlexShiLucky/linux

static int hang_init(struct hang *h, struct drm_i915_private *i915)
{
	void *vaddr;
	int err;

	memset(h, 0, sizeof(*h));
	h->i915 = i915;

	h->ctx = kernel_context(i915);
	if (IS_ERR(h->ctx))
		return PTR_ERR(h->ctx);

	h->hws = i915_gem_object_create_internal(i915, PAGE_SIZE);
	if (IS_ERR(h->hws)) {
		err = PTR_ERR(h->hws);
		goto err_ctx;
	}

	h->obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
	if (IS_ERR(h->obj)) {
		err = PTR_ERR(h->obj);
		goto err_hws;
	}

	i915_gem_object_set_cache_level(h->hws, I915_CACHE_LLC);
	vaddr = i915_gem_object_pin_map(h->hws, I915_MAP_WB);
	if (IS_ERR(vaddr)) {
		err = PTR_ERR(vaddr);
		goto err_obj;
	}
	h->seqno = memset(vaddr, 0xff, PAGE_SIZE);

	vaddr = i915_gem_object_pin_map(h->obj,
					i915_coherent_map_type(i915));
	if (IS_ERR(vaddr)) {
		err = PTR_ERR(vaddr);
		goto err_unpin_hws;
	}
	h->batch = vaddr;

	return 0;

err_unpin_hws:
	i915_gem_object_unpin_map(h->hws);
err_obj:
	i915_gem_object_put(h->obj);
err_hws:
	i915_gem_object_put(h->hws);
err_ctx:
	kernel_context_close(h->ctx);
	return err;
}

예제 #2

파일: igt_spinner.c 프로젝트: Anjali05/linux

int igt_spinner_init(struct igt_spinner *spin, struct drm_i915_private *i915)
{
	unsigned int mode;
	void *vaddr;
	int err;

	GEM_BUG_ON(INTEL_GEN(i915) < 8);

	memset(spin, 0, sizeof(*spin));
	spin->i915 = i915;

	spin->hws = i915_gem_object_create_internal(i915, PAGE_SIZE);
	if (IS_ERR(spin->hws)) {
		err = PTR_ERR(spin->hws);
		goto err;
	}

	spin->obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
	if (IS_ERR(spin->obj)) {
		err = PTR_ERR(spin->obj);
		goto err_hws;
	}

	i915_gem_object_set_cache_level(spin->hws, I915_CACHE_LLC);
	vaddr = i915_gem_object_pin_map(spin->hws, I915_MAP_WB);
	if (IS_ERR(vaddr)) {
		err = PTR_ERR(vaddr);
		goto err_obj;
	}
	spin->seqno = memset(vaddr, 0xff, PAGE_SIZE);

	mode = i915_coherent_map_type(i915);
	vaddr = i915_gem_object_pin_map(spin->obj, mode);
	if (IS_ERR(vaddr)) {
		err = PTR_ERR(vaddr);
		goto err_unpin_hws;
	}
	spin->batch = vaddr;

	return 0;

err_unpin_hws:
	i915_gem_object_unpin_map(spin->hws);
err_obj:
	i915_gem_object_put(spin->obj);
err_hws:
	i915_gem_object_put(spin->hws);
err:
	return err;
}

예제 #3

파일: intel_hangcheck.c 프로젝트: AlexShiLucky/linux

static struct i915_request *
hang_create_request(struct hang *h, struct intel_engine_cs *engine)
{
	struct i915_request *rq;
	int err;

	if (i915_gem_object_is_active(h->obj)) {
		struct drm_i915_gem_object *obj;
		void *vaddr;

		obj = i915_gem_object_create_internal(h->i915, PAGE_SIZE);
		if (IS_ERR(obj))
			return ERR_CAST(obj);

		vaddr = i915_gem_object_pin_map(obj,
						i915_coherent_map_type(h->i915));
		if (IS_ERR(vaddr)) {
			i915_gem_object_put(obj);
			return ERR_CAST(vaddr);
		}

		i915_gem_object_unpin_map(h->obj);
		i915_gem_object_put(h->obj);

		h->obj = obj;
		h->batch = vaddr;
	}

	rq = i915_request_alloc(engine, h->ctx);
	if (IS_ERR(rq))
		return rq;

	err = emit_recurse_batch(h, rq);
	if (err) {
		i915_request_add(rq);
		return ERR_PTR(err);
	}

	return rq;
}