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      1 /*	$NetBSD: igt_flush_test.c,v 1.2 2021/12/18 23:45:31 riastradh Exp $	*/
      2 
      3 /*
      4  * SPDX-License-Identifier: MIT
      5  *
      6  * Copyright  2018 Intel Corporation
      7  */
      8 
      9 #include <sys/cdefs.h>
     10 __KERNEL_RCSID(0, "$NetBSD: igt_flush_test.c,v 1.2 2021/12/18 23:45:31 riastradh Exp $");
     11 
     12 #include "gt/intel_gt.h"
     13 #include "gt/intel_gt_requests.h"
     14 
     15 #include "i915_drv.h"
     16 #include "i915_selftest.h"
     17 
     18 #include "igt_flush_test.h"
     19 
     20 int igt_flush_test(struct drm_i915_private *i915)
     21 {
     22 	struct intel_gt *gt = &i915->gt;
     23 	int ret = intel_gt_is_wedged(gt) ? -EIO : 0;
     24 
     25 	cond_resched();
     26 
     27 	if (intel_gt_wait_for_idle(gt, HZ / 5) == -ETIME) {
     28 		pr_err("%pS timed out, cancelling all further testing.\n",
     29 		       __builtin_return_address(0));
     30 
     31 		GEM_TRACE("%pS timed out.\n",
     32 			  __builtin_return_address(0));
     33 		GEM_TRACE_DUMP();
     34 
     35 		intel_gt_set_wedged(gt);
     36 		ret = -EIO;
     37 	}
     38 
     39 	return ret;
     40 }
     41