/* * SPDX-License-Identifier: MIT * * Copyright © 2018 Intel Corporation */ #include "gem/i915_gem_context.h" #include "gt/intel_gt.h" #include "i915_drv.h" #include "i915_selftest.h" #include "igt_flush_test.h" int igt_flush_test(struct drm_i915_private *i915, unsigned int flags) { int ret = intel_gt_is_wedged(&i915->gt) ? -EIO : 0; int repeat = !!(flags & I915_WAIT_LOCKED); cond_resched(); do { if (i915_gem_wait_for_idle(i915, flags, HZ / 5) == -ETIME) { pr_err("%pS timed out, cancelling all further testing.\n", __builtin_return_address(0)); GEM_TRACE("%pS timed out.\n", __builtin_return_address(0)); GEM_TRACE_DUMP(); intel_gt_set_wedged(&i915->gt); repeat = 0; ret = -EIO; } /* Ensure we also flush after wedging. */ if (flags & I915_WAIT_LOCKED) i915_retire_requests(i915); } while (repeat--); return ret; }