1 /* 2 * SPDX-License-Identifier: MIT 3 * 4 * Copyright © 2018 Intel Corporation 5 */ 6 7 #include "gem/i915_gem_context.h" 8 9 #include "i915_drv.h" 10 #include "i915_selftest.h" 11 12 #include "igt_flush_test.h" 13 14 int igt_flush_test(struct drm_i915_private *i915, unsigned int flags) 15 { 16 int ret = i915_terminally_wedged(i915) ? -EIO : 0; 17 int repeat = !!(flags & I915_WAIT_LOCKED); 18 19 cond_resched(); 20 21 do { 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", 27 __builtin_return_address(0)); 28 GEM_TRACE_DUMP(); 29 30 i915_gem_set_wedged(i915); 31 repeat = 0; 32 ret = -EIO; 33 } 34 35 /* Ensure we also flush after wedging. */ 36 if (flags & I915_WAIT_LOCKED) 37 i915_retire_requests(i915); 38 } while (repeat--); 39 40 return ret; 41 } 42