1/*
 2 * SPDX-License-Identifier: MIT
 3 *
 4 * Copyright © 2018 Intel Corporation
 5 */
 6
 7#include "gem/i915_gem_context.h"
 8#include "gt/intel_gt.h"
 9
10#include "i915_drv.h"
11#include "i915_selftest.h"
12
13#include "igt_flush_test.h"
14
15int igt_flush_test(struct drm_i915_private *i915, unsigned int flags)
16{
17	int ret = intel_gt_is_wedged(&i915->gt) ? -EIO : 0;
18	int repeat = !!(flags & I915_WAIT_LOCKED);
19
20	cond_resched();
21
22	do {
23		if (i915_gem_wait_for_idle(i915, flags, HZ / 5) == -ETIME) {
24			pr_err("%pS timed out, cancelling all further testing.\n",
25			       __builtin_return_address(0));
26
27			GEM_TRACE("%pS timed out.\n",
28				  __builtin_return_address(0));
29			GEM_TRACE_DUMP();
30
31			intel_gt_set_wedged(&i915->gt);
32			repeat = 0;
33			ret = -EIO;
34		}
35
36		/* Ensure we also flush after wedging. */
37		if (flags & I915_WAIT_LOCKED)
38			i915_retire_requests(i915);
39	} while (repeat--);
40
41	return ret;
42}