1 /*
2  * SPDX-License-Identifier: MIT
3  *
4  * Copyright © 2018 Intel Corporation
5  */
6 
7 #include "../i915_drv.h"
8 
9 #include "../i915_selftest.h"
10 #include "igt_flush_test.h"
11 
12 int igt_flush_test(struct drm_i915_private *i915, unsigned int flags)
13 {
14 	cond_resched();
15 
16 	if (flags & I915_WAIT_LOCKED &&
17 	    i915_gem_switch_to_kernel_context(i915, i915->gt.active_engines)) {
18 		pr_err("Failed to switch back to kernel context; declaring wedged\n");
19 		i915_gem_set_wedged(i915);
20 	}
21 
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", __builtin_return_address(0));
27 		GEM_TRACE_DUMP();
28 
29 		i915_gem_set_wedged(i915);
30 	}
31 
32 	return i915_terminally_wedged(i915);
33 }
34