1 /*
2  * SPDX-License-Identifier: MIT
3  *
4  * Copyright © 2018 Intel Corporation
5  */
6 
7 #include "gem/i915_gem_context.h"
8 
9 #include "i915_drv.h"
10 #include "i915_selftest.h"
11 
12 #include "igt_flush_test.h"
13 
14 int igt_flush_test(struct drm_i915_private *i915, unsigned int flags)
15 {
16 	int ret = i915_terminally_wedged(i915) ? -EIO : 0;
17 	int repeat = !!(flags & I915_WAIT_LOCKED);
18 
19 	cond_resched();
20 
21 	do {
22 		if (i915_gem_wait_for_idle(i915, flags, HZ / 5) == -ETIME) {
23 			pr_err("%pS timed out, cancelling all further testing.\n",
24 			       __builtin_return_address(0));
25 
26 			GEM_TRACE("%pS timed out.\n",
27 				  __builtin_return_address(0));
28 			GEM_TRACE_DUMP();
29 
30 			i915_gem_set_wedged(i915);
31 			repeat = 0;
32 			ret = -EIO;
33 		}
34 
35 		/* Ensure we also flush after wedging. */
36 		if (flags & I915_WAIT_LOCKED)
37 			i915_retire_requests(i915);
38 	} while (repeat--);
39 
40 	return ret;
41 }
42