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/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2018 Intel Corporation
*/
#include "gt/intel_gt.h"
#include "gt/intel_gt_requests.h"
#include "i915_drv.h"
#include "i915_selftest.h"
#include "igt_flush_test.h"
int igt_flush_test(struct drm_i915_private *i915)
{
struct intel_gt *gt;
unsigned int i;
int ret = 0;
for_each_gt(gt, i915, i) {
struct intel_engine_cs *engine;
unsigned long timeout_ms = 0;
unsigned int id;
if (intel_gt_is_wedged(gt))
ret = -EIO;
for_each_engine(engine, gt, id) {
if (engine->props.preempt_timeout_ms > timeout_ms)
timeout_ms = engine->props.preempt_timeout_ms;
}
cond_resched();
/* 2x longest preempt timeout, experimentally determined */
if (intel_gt_wait_for_idle(gt, HZ * timeout_ms / 500) == -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(gt);
ret = -EIO;
}
}
return ret;
}
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