[linux-block.git] / drivers / gpu / drm / i915 / gt / selftest_context.c

/*
 * SPDX-License-Identifier: GPL-2.0
 *
 * Copyright © 2019 Intel Corporation
 */

#include "i915_selftest.h"
#include "intel_engine_pm.h"
#include "intel_gt.h"

#include "gem/selftests/mock_context.h"
#include "selftests/igt_flush_test.h"
#include "selftests/mock_drm.h"

static int request_sync(struct i915_request *rq)
{
	struct intel_timeline *tl = i915_request_timeline(rq);
	long timeout;
	int err = 0;

	intel_timeline_get(tl);
	i915_request_get(rq);

	/* Opencode i915_request_add() so we can keep the timeline locked. */
	__i915_request_commit(rq);
	__i915_request_queue(rq, NULL);

	timeout = i915_request_wait(rq, 0, HZ / 10);
	if (timeout < 0)
		err = timeout;
	else
		i915_request_retire_upto(rq);

	lockdep_unpin_lock(&tl->mutex, rq->cookie);
	mutex_unlock(&tl->mutex);

	i915_request_put(rq);
	intel_timeline_put(tl);

	return err;
}

static int context_sync(struct intel_context *ce)
{
	struct intel_timeline *tl = ce->timeline;
	int err = 0;

	mutex_lock(&tl->mutex);
	do {
		struct dma_fence *fence;
		long timeout;

		fence = i915_active_fence_get(&tl->last_request);
		if (!fence)
			break;

		timeout = dma_fence_wait_timeout(fence, false, HZ / 10);
		if (timeout < 0)
			err = timeout;
		else
			i915_request_retire_upto(to_request(fence));

		dma_fence_put(fence);
	} while (!err);
	mutex_unlock(&tl->mutex);

	return err;
}

static int __live_context_size(struct intel_engine_cs *engine,
			       struct i915_gem_context *fixme)
{
	struct intel_context *ce;
	struct i915_request *rq;
	void *vaddr;
	int err;

	ce = intel_context_create(fixme, engine);
	if (IS_ERR(ce))
		return PTR_ERR(ce);

	err = intel_context_pin(ce);
	if (err)
		goto err;

	vaddr = i915_gem_object_pin_map(ce->state->obj,
					i915_coherent_map_type(engine->i915));
	if (IS_ERR(vaddr)) {
		err = PTR_ERR(vaddr);
		intel_context_unpin(ce);
		goto err;
	}

	/*
	 * Note that execlists also applies a redzone which it checks on
	 * context unpin when debugging. We are using the same location
	 * and same poison value so that our checks overlap. Despite the
	 * redundancy, we want to keep this little selftest so that we
	 * get coverage of any and all submission backends, and we can
	 * always extend this test to ensure we trick the HW into a
	 * compromising position wrt to the various sections that need
	 * to be written into the context state.
	 *
	 * TLDR; this overlaps with the execlists redzone.
	 */
	if (HAS_EXECLISTS(engine->i915))
		vaddr += LRC_HEADER_PAGES * PAGE_SIZE;

	vaddr += engine->context_size - I915_GTT_PAGE_SIZE;
	memset(vaddr, POISON_INUSE, I915_GTT_PAGE_SIZE);

	rq = intel_context_create_request(ce);
	intel_context_unpin(ce);
	if (IS_ERR(rq)) {
		err = PTR_ERR(rq);
		goto err_unpin;
	}

	err = request_sync(rq);
	if (err)
		goto err_unpin;

	/* Force the context switch */
	rq = i915_request_create(engine->kernel_context);
	if (IS_ERR(rq)) {
		err = PTR_ERR(rq);
		goto err_unpin;
	}
	err = request_sync(rq);
	if (err)
		goto err_unpin;

	if (memchr_inv(vaddr, POISON_INUSE, I915_GTT_PAGE_SIZE)) {
		pr_err("%s context overwrote trailing red-zone!", engine->name);
		err = -EINVAL;
	}

err_unpin:
	i915_gem_object_unpin_map(ce->state->obj);
err:
	intel_context_put(ce);
	return err;
}

static int live_context_size(void *arg)
{
	struct intel_gt *gt = arg;
	struct intel_engine_cs *engine;
	struct i915_gem_context *fixme;
	enum intel_engine_id id;
	int err = 0;

	/*
	 * Check that our context sizes are correct by seeing if the
	 * HW tries to write past the end of one.
	 */

	fixme = kernel_context(gt->i915);
	if (IS_ERR(fixme))
		return PTR_ERR(fixme);

	for_each_engine(engine, gt->i915, id) {
		struct {
			struct drm_i915_gem_object *state;
			void *pinned;
		} saved;

		if (!engine->context_size)
			continue;

		intel_engine_pm_get(engine);

		/*
		 * Hide the old default state -- we lie about the context size
		 * and get confused when the default state is smaller than
		 * expected. For our do nothing request, inheriting the
		 * active state is sufficient, we are only checking that we
		 * don't use more than we planned.
		 */
		saved.state = fetch_and_zero(&engine->default_state);
		saved.pinned = fetch_and_zero(&engine->pinned_default_state);

		/* Overlaps with the execlists redzone */
		engine->context_size += I915_GTT_PAGE_SIZE;

		err = __live_context_size(engine, fixme);

		engine->context_size -= I915_GTT_PAGE_SIZE;

		engine->pinned_default_state = saved.pinned;
		engine->default_state = saved.state;

		intel_engine_pm_put(engine);

		if (err)
			break;
	}

	kernel_context_close(fixme);
	return err;
}

static int __live_active_context(struct intel_engine_cs *engine,
				 struct i915_gem_context *fixme)
{
	struct intel_context *ce;
	int pass;
	int err;

	/*
	 * We keep active contexts alive until after a subsequent context
	 * switch as the final write from the context-save will be after
	 * we retire the final request. We track when we unpin the context,
	 * under the presumption that the final pin is from the last request,
	 * and instead of immediately unpinning the context, we add a task
	 * to unpin the context from the next idle-barrier.
	 *
	 * This test makes sure that the context is kept alive until a
	 * subsequent idle-barrier (emitted when the engine wakeref hits 0
	 * with no more outstanding requests).
	 */

	if (intel_engine_pm_is_awake(engine)) {
		pr_err("%s is awake before starting %s!\n",
		       engine->name, __func__);
		return -EINVAL;
	}

	ce = intel_context_create(fixme, engine);
	if (IS_ERR(ce))
		return PTR_ERR(ce);

	for (pass = 0; pass <= 2; pass++) {
		struct i915_request *rq;

		rq = intel_context_create_request(ce);
		if (IS_ERR(rq)) {
			err = PTR_ERR(rq);
			goto err;
		}

		err = request_sync(rq);
		if (err)
			goto err;

		/* Context will be kept active until after an idle-barrier. */
		if (i915_active_is_idle(&ce->active)) {
			pr_err("context is not active; expected idle-barrier (%s pass %d)\n",
			       engine->name, pass);
			err = -EINVAL;
			goto err;
		}

		if (!intel_engine_pm_is_awake(engine)) {
			pr_err("%s is asleep before idle-barrier\n",
			       engine->name);
			err = -EINVAL;
			goto err;
		}
	}

	/* Now make sure our idle-barriers are flushed */
	err = context_sync(engine->kernel_context);
	if (err)
		goto err;

	if (!i915_active_is_idle(&ce->active)) {
		pr_err("context is still active!");
		err = -EINVAL;
	}

	if (intel_engine_pm_is_awake(engine)) {
		struct drm_printer p = drm_debug_printer(__func__);

		intel_engine_dump(engine, &p,
				  "%s is still awake after idle-barriers\n",
				  engine->name);
		GEM_TRACE_DUMP();

		err = -EINVAL;
		goto err;
	}

err:
	intel_context_put(ce);
	return err;
}

static int live_active_context(void *arg)
{
	struct intel_gt *gt = arg;
	struct intel_engine_cs *engine;
	struct i915_gem_context *fixme;
	enum intel_engine_id id;
	struct drm_file *file;
	int err = 0;

	file = mock_file(gt->i915);
	if (IS_ERR(file))
		return PTR_ERR(file);

	fixme = live_context(gt->i915, file);
	if (IS_ERR(fixme)) {
		err = PTR_ERR(fixme);
		goto out_file;
	}

	for_each_engine(engine, gt->i915, id) {
		err = __live_active_context(engine, fixme);
		if (err)
			break;

		err = igt_flush_test(gt->i915);
		if (err)
			break;
	}

out_file:
	mock_file_free(gt->i915, file);
	return err;
}

static int __remote_sync(struct intel_context *ce, struct intel_context *remote)
{
	struct i915_request *rq;
	int err;

	err = intel_context_pin(remote);
	if (err)
		return err;

	rq = intel_context_create_request(ce);
	if (IS_ERR(rq)) {
		err = PTR_ERR(rq);
		goto unpin;
	}

	err = intel_context_prepare_remote_request(remote, rq);
	if (err) {
		i915_request_add(rq);
		goto unpin;
	}

	err = request_sync(rq);

unpin:
	intel_context_unpin(remote);
	return err;
}

static int __live_remote_context(struct intel_engine_cs *engine,
				 struct i915_gem_context *fixme)
{
	struct intel_context *local, *remote;
	int pass;
	int err;

	/*
	 * Check that our idle barriers do not interfere with normal
	 * activity tracking. In particular, check that operating
	 * on the context image remotely (intel_context_prepare_remote_request),
	 * which inserts foreign fences into intel_context.active, does not
	 * clobber the idle-barrier.
	 */

	remote = intel_context_create(fixme, engine);
	if (IS_ERR(remote))
		return PTR_ERR(remote);

	local = intel_context_create(fixme, engine);
	if (IS_ERR(local)) {
		err = PTR_ERR(local);
		goto err_remote;
	}

	for (pass = 0; pass <= 2; pass++) {
		err = __remote_sync(local, remote);
		if (err)
			break;

		err = __remote_sync(engine->kernel_context, remote);
		if (err)
			break;

		if (i915_active_is_idle(&remote->active)) {
			pr_err("remote context is not active; expected idle-barrier (%s pass %d)\n",
			       engine->name, pass);
			err = -EINVAL;
			break;
		}
	}

	intel_context_put(local);
err_remote:
	intel_context_put(remote);
	return err;
}

static int live_remote_context(void *arg)
{
	struct intel_gt *gt = arg;
	struct intel_engine_cs *engine;
	struct i915_gem_context *fixme;
	enum intel_engine_id id;
	struct drm_file *file;
	int err = 0;

	file = mock_file(gt->i915);
	if (IS_ERR(file))
		return PTR_ERR(file);

	fixme = live_context(gt->i915, file);
	if (IS_ERR(fixme)) {
		err = PTR_ERR(fixme);
		goto out_file;
	}

	for_each_engine(engine, gt->i915, id) {
		err = __live_remote_context(engine, fixme);
		if (err)
			break;

		err = igt_flush_test(gt->i915);
		if (err)
			break;
	}

out_file:
	mock_file_free(gt->i915, file);
	return err;
}

int intel_context_live_selftests(struct drm_i915_private *i915)
{
	static const struct i915_subtest tests[] = {
		SUBTEST(live_context_size),
		SUBTEST(live_active_context),
		SUBTEST(live_remote_context),
	};
	struct intel_gt *gt = &i915->gt;

	if (intel_gt_is_wedged(gt))
		return 0;

	return intel_gt_live_subtests(tests, gt);
}
Commit	Line	Data
d8af05ff CW	1	/*
	2	* SPDX-License-Identifier: GPL-2.0
	3	*
	4	* Copyright © 2019 Intel Corporation
	5	*/
	6
	7	#include "i915_selftest.h"
9559c875	8	#include "intel_engine_pm.h"
d8af05ff CW	9	#include "intel_gt.h"
	10
	11	#include "gem/selftests/mock_context.h"
	12	#include "selftests/igt_flush_test.h"
	13	#include "selftests/mock_drm.h"
	14
	15	static int request_sync(struct i915_request *rq)
	16	{
d19d71fc	17	struct intel_timeline *tl = i915_request_timeline(rq);
d8af05ff CW	18	long timeout;
	19	int err = 0;
	20
d19d71fc	21	intel_timeline_get(tl);
d8af05ff CW	22	i915_request_get(rq);
d8af05ff CW	23
d19d71fc CW	24	/* Opencode i915_request_add() so we can keep the timeline locked. */
	25	__i915_request_commit(rq);
	26	__i915_request_queue(rq, NULL);
	27
d8af05ff	28	timeout = i915_request_wait(rq, 0, HZ / 10);
d19d71fc	29	if (timeout < 0)
d8af05ff	30	err = timeout;
d19d71fc	31	else
d8af05ff	32	i915_request_retire_upto(rq);
d19d71fc CW	33
	34	lockdep_unpin_lock(&tl->mutex, rq->cookie);
	35	mutex_unlock(&tl->mutex);
d8af05ff CW	36
d8af05ff CW	37	i915_request_put(rq);
d19d71fc	38	intel_timeline_put(tl);
d8af05ff CW	39
	40	return err;
	41	}
	42
	43	static int context_sync(struct intel_context *ce)
	44	{
75d0a7f3	45	struct intel_timeline *tl = ce->timeline;
d8af05ff CW	46	int err = 0;
d8af05ff CW	47
e5dadff4	48	mutex_lock(&tl->mutex);
d8af05ff	49	do {
b1e3177b	50	struct dma_fence *fence;
d8af05ff CW	51	long timeout;
d8af05ff CW	52
b1e3177b CW	53	fence = i915_active_fence_get(&tl->last_request);
b1e3177b CW	54	if (!fence)
d8af05ff CW	55	break;
d8af05ff CW	56
b1e3177b	57	timeout = dma_fence_wait_timeout(fence, false, HZ / 10);
d8af05ff CW	58	if (timeout < 0)
	59	err = timeout;
	60	else
b1e3177b	61	i915_request_retire_upto(to_request(fence));
d8af05ff	62
b1e3177b	63	dma_fence_put(fence);
d8af05ff	64	} while (!err);
e5dadff4	65	mutex_unlock(&tl->mutex);
d8af05ff CW	66
	67	return err;
	68	}
	69
9559c875 CW	70	static int __live_context_size(struct intel_engine_cs *engine,
	71	struct i915_gem_context *fixme)
	72	{
	73	struct intel_context *ce;
	74	struct i915_request *rq;
	75	void *vaddr;
	76	int err;
	77
	78	ce = intel_context_create(fixme, engine);
	79	if (IS_ERR(ce))
	80	return PTR_ERR(ce);
	81
	82	err = intel_context_pin(ce);
	83	if (err)
	84	goto err;
	85
	86	vaddr = i915_gem_object_pin_map(ce->state->obj,
	87	i915_coherent_map_type(engine->i915));
	88	if (IS_ERR(vaddr)) {
	89	err = PTR_ERR(vaddr);
	90	intel_context_unpin(ce);
	91	goto err;
	92	}
	93
	94	/*
	95	* Note that execlists also applies a redzone which it checks on
	96	* context unpin when debugging. We are using the same location
	97	* and same poison value so that our checks overlap. Despite the
	98	* redundancy, we want to keep this little selftest so that we
	99	* get coverage of any and all submission backends, and we can
	100	* always extend this test to ensure we trick the HW into a
	101	* compromising position wrt to the various sections that need
	102	* to be written into the context state.
	103	*
	104	* TLDR; this overlaps with the execlists redzone.
	105	*/
	106	if (HAS_EXECLISTS(engine->i915))
	107	vaddr += LRC_HEADER_PAGES * PAGE_SIZE;
	108
	109	vaddr += engine->context_size - I915_GTT_PAGE_SIZE;
	110	memset(vaddr, POISON_INUSE, I915_GTT_PAGE_SIZE);
	111
	112	rq = intel_context_create_request(ce);
	113	intel_context_unpin(ce);
	114	if (IS_ERR(rq)) {
	115	err = PTR_ERR(rq);
	116	goto err_unpin;
	117	}
	118
	119	err = request_sync(rq);
	120	if (err)
	121	goto err_unpin;
	122
	123	/* Force the context switch */
	124	rq = i915_request_create(engine->kernel_context);
	125	if (IS_ERR(rq)) {
	126	err = PTR_ERR(rq);
	127	goto err_unpin;
	128	}
	129	err = request_sync(rq);
	130	if (err)
	131	goto err_unpin;
	132
	133	if (memchr_inv(vaddr, POISON_INUSE, I915_GTT_PAGE_SIZE)) {
134	pr_err("%s context overwrote trailing red-zone!", engine->name);
135	err = -EINVAL;
136	}
137
138	err_unpin:
139	i915_gem_object_unpin_map(ce->state->obj);
140	err:
141	intel_context_put(ce);
142	return err;
143	}
144
145	static int live_context_size(void *arg)
146	{
147	struct intel_gt *gt = arg;
148	struct intel_engine_cs *engine;
149	struct i915_gem_context *fixme;
150	enum intel_engine_id id;
151	int err = 0;
152
153	/*
154	* Check that our context sizes are correct by seeing if the
155	* HW tries to write past the end of one.
156	*/
157
9559c875	158	fixme = kernel_context(gt->i915);
a4e7ccda CW	159	if (IS_ERR(fixme))
a4e7ccda CW	160	return PTR_ERR(fixme);
9559c875 CW	161
	162	for_each_engine(engine, gt->i915, id) {
	163	struct {
	164	struct drm_i915_gem_object *state;
	165	void *pinned;
	166	} saved;
	167
	168	if (!engine->context_size)
	169	continue;
	170
	171	intel_engine_pm_get(engine);
	172
	173	/*
	174	* Hide the old default state -- we lie about the context size
	175	* and get confused when the default state is smaller than
	176	* expected. For our do nothing request, inheriting the
	177	* active state is sufficient, we are only checking that we
	178	* don't use more than we planned.
	179	*/
	180	saved.state = fetch_and_zero(&engine->default_state);
	181	saved.pinned = fetch_and_zero(&engine->pinned_default_state);
	182
	183	/* Overlaps with the execlists redzone */
	184	engine->context_size += I915_GTT_PAGE_SIZE;
	185
	186	err = __live_context_size(engine, fixme);
	187
	188	engine->context_size -= I915_GTT_PAGE_SIZE;
	189
	190	engine->pinned_default_state = saved.pinned;
	191	engine->default_state = saved.state;
	192
	193	intel_engine_pm_put(engine);
	194
	195	if (err)
	196	break;
	197	}
	198
	199	kernel_context_close(fixme);
9559c875 CW	200	return err;
	201	}
	202
d8af05ff CW	203	static int __live_active_context(struct intel_engine_cs *engine,
	204	struct i915_gem_context *fixme)
	205	{
	206	struct intel_context *ce;
	207	int pass;
	208	int err;
	209
	210	/*
	211	* We keep active contexts alive until after a subsequent context
	212	* switch as the final write from the context-save will be after
	213	* we retire the final request. We track when we unpin the context,
	214	* under the presumption that the final pin is from the last request,
	215	* and instead of immediately unpinning the context, we add a task
	216	* to unpin the context from the next idle-barrier.
	217	*
	218	* This test makes sure that the context is kept alive until a
	219	* subsequent idle-barrier (emitted when the engine wakeref hits 0
	220	* with no more outstanding requests).
	221	*/
	222
	223	if (intel_engine_pm_is_awake(engine)) {
	224	pr_err("%s is awake before starting %s!\n",
	225	engine->name, __func__);
	226	return -EINVAL;
	227	}
	228
	229	ce = intel_context_create(fixme, engine);
ed29da71 DC	230	if (IS_ERR(ce))
ed29da71 DC	231	return PTR_ERR(ce);
d8af05ff CW	232
	233	for (pass = 0; pass <= 2; pass++) {
	234	struct i915_request *rq;
	235
	236	rq = intel_context_create_request(ce);
	237	if (IS_ERR(rq)) {
	238	err = PTR_ERR(rq);
	239	goto err;
	240	}
	241
	242	err = request_sync(rq);
	243	if (err)
	244	goto err;
	245
	246	/* Context will be kept active until after an idle-barrier. */
	247	if (i915_active_is_idle(&ce->active)) {
	248	pr_err("context is not active; expected idle-barrier (%s pass %d)\n",
	249	engine->name, pass);
	250	err = -EINVAL;
	251	goto err;
	252	}
	253
	254	if (!intel_engine_pm_is_awake(engine)) {
	255	pr_err("%s is asleep before idle-barrier\n",
	256	engine->name);
	257	err = -EINVAL;
	258	goto err;
	259	}
	260	}
	261
	262	/* Now make sure our idle-barriers are flushed */
	263	err = context_sync(engine->kernel_context);
	264	if (err)
	265	goto err;
	266
	267	if (!i915_active_is_idle(&ce->active)) {
	268	pr_err("context is still active!");
	269	err = -EINVAL;
	270	}
	271
	272	if (intel_engine_pm_is_awake(engine)) {
	273	struct drm_printer p = drm_debug_printer(__func__);
	274
	275	intel_engine_dump(engine, &p,
	276	"%s is still awake after idle-barriers\n",
	277	engine->name);
	278	GEM_TRACE_DUMP();
	279
	280	err = -EINVAL;
	281	goto err;
	282	}
	283
	284	err:
	285	intel_context_put(ce);
	286	return err;
	287	}
	288
	289	static int live_active_context(void *arg)
	290	{
	291	struct intel_gt *gt = arg;
	292	struct intel_engine_cs *engine;
	293	struct i915_gem_context *fixme;
	294	enum intel_engine_id id;
	295	struct drm_file *file;
296	int err = 0;
297
298	file = mock_file(gt->i915);
299	if (IS_ERR(file))
300	return PTR_ERR(file);
301
d8af05ff	302	fixme = live_context(gt->i915, file);
ed29da71 DC	303	if (IS_ERR(fixme)) {
ed29da71 DC	304	err = PTR_ERR(fixme);
a4e7ccda	305	goto out_file;
d8af05ff CW	306	}
	307
	308	for_each_engine(engine, gt->i915, id) {
	309	err = __live_active_context(engine, fixme);
	310	if (err)
	311	break;
	312
7e805762	313	err = igt_flush_test(gt->i915);
d8af05ff CW	314	if (err)
	315	break;
	316	}
	317
a4e7ccda	318	out_file:
d8af05ff CW	319	mock_file_free(gt->i915, file);
	320	return err;
	321	}
	322
	323	static int __remote_sync(struct intel_context ce, struct intel_context remote)
	324	{
	325	struct i915_request *rq;
	326	int err;
	327
	328	err = intel_context_pin(remote);
	329	if (err)
	330	return err;
	331
	332	rq = intel_context_create_request(ce);
	333	if (IS_ERR(rq)) {
	334	err = PTR_ERR(rq);
	335	goto unpin;
	336	}
	337
	338	err = intel_context_prepare_remote_request(remote, rq);
	339	if (err) {
	340	i915_request_add(rq);
	341	goto unpin;
	342	}
	343
	344	err = request_sync(rq);
	345
	346	unpin:
	347	intel_context_unpin(remote);
	348	return err;
	349	}
	350
	351	static int __live_remote_context(struct intel_engine_cs *engine,
	352	struct i915_gem_context *fixme)
	353	{
	354	struct intel_context local, remote;
	355	int pass;
	356	int err;
	357
	358	/*
	359	* Check that our idle barriers do not interfere with normal
	360	* activity tracking. In particular, check that operating
	361	* on the context image remotely (intel_context_prepare_remote_request),
	362	* which inserts foreign fences into intel_context.active, does not
	363	* clobber the idle-barrier.
	364	*/
	365
	366	remote = intel_context_create(fixme, engine);
ed29da71 DC	367	if (IS_ERR(remote))
ed29da71 DC	368	return PTR_ERR(remote);
d8af05ff CW	369
d8af05ff CW	370	local = intel_context_create(fixme, engine);
ed29da71 DC	371	if (IS_ERR(local)) {
ed29da71 DC	372	err = PTR_ERR(local);
d8af05ff CW	373	goto err_remote;
	374	}
	375
	376	for (pass = 0; pass <= 2; pass++) {
	377	err = __remote_sync(local, remote);
	378	if (err)
	379	break;
	380
	381	err = __remote_sync(engine->kernel_context, remote);
	382	if (err)
	383	break;
	384
	385	if (i915_active_is_idle(&remote->active)) {
	386	pr_err("remote context is not active; expected idle-barrier (%s pass %d)\n",
	387	engine->name, pass);
	388	err = -EINVAL;
	389	break;
	390	}
	391	}
	392
	393	intel_context_put(local);
	394	err_remote:
	395	intel_context_put(remote);
	396	return err;
	397	}
	398
	399	static int live_remote_context(void *arg)
	400	{
	401	struct intel_gt *gt = arg;
	402	struct intel_engine_cs *engine;
	403	struct i915_gem_context *fixme;
	404	enum intel_engine_id id;
	405	struct drm_file *file;
	406	int err = 0;
	407
	408	file = mock_file(gt->i915);
	409	if (IS_ERR(file))
	410	return PTR_ERR(file);
	411
d8af05ff	412	fixme = live_context(gt->i915, file);
ed29da71 DC	413	if (IS_ERR(fixme)) {
ed29da71 DC	414	err = PTR_ERR(fixme);
a4e7ccda	415	goto out_file;
d8af05ff CW	416	}
	417
	418	for_each_engine(engine, gt->i915, id) {
	419	err = __live_remote_context(engine, fixme);
	420	if (err)
	421	break;
	422
7e805762	423	err = igt_flush_test(gt->i915);
d8af05ff CW	424	if (err)
	425	break;
	426	}
	427
a4e7ccda	428	out_file:
d8af05ff CW	429	mock_file_free(gt->i915, file);
	430	return err;
	431	}
	432
	433	int intel_context_live_selftests(struct drm_i915_private *i915)
	434	{
	435	static const struct i915_subtest tests[] = {
9559c875	436	SUBTEST(live_context_size),
d8af05ff CW	437	SUBTEST(live_active_context),
	438	SUBTEST(live_remote_context),
	439	};
	440	struct intel_gt *gt = &i915->gt;
	441
	442	if (intel_gt_is_wedged(gt))
	443	return 0;
	444
	445	return intel_gt_live_subtests(tests, gt);
	446	}