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 
15 int 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 }
43