drivers/gpu/drm/i915/selftests/igt_flush_test.c

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright © 2018 Intel Corporation
   5  */
   6
   7 #include "gt/intel_gt.h"
   8 #include "gt/intel_gt_requests.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)
  16 {
  17         struct intel_gt *gt;
  18         unsigned int i;
  19         int ret = 0;
  20
  21         for_each_gt(gt, i915, i) {
  22                 if (intel_gt_is_wedged(gt))
  23                         ret = -EIO;
  24
  25                 cond_resched();
  26
  27                 if (intel_gt_wait_for_idle(gt, HZ * 3) == -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
  40         return ret;
  41 }