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/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2018 Intel Corporation
*/
#include "i915_drv.h"
#include "gt/intel_gt.h"
#include "gt/intel_gt_print.h"
#include "../i915_selftest.h"
#include "igt_flush_test.h"
#include "igt_live_test.h"
int igt_live_test_begin(struct igt_live_test *t,
struct drm_i915_private *i915,
const char *func,
const char *name)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
struct intel_gt *gt;
unsigned int i;
int err;
t->i915 = i915;
t->func = func;
t->name = name;
for_each_gt(gt, i915, i) {
err = intel_gt_wait_for_idle(gt, MAX_SCHEDULE_TIMEOUT);
if (err) {
gt_err(gt, "%s(%s): GT failed to idle before, with err=%d!",
func, name, err);
return err;
}
for_each_engine(engine, gt, id)
t->reset_engine[i][id] =
i915_reset_engine_count(&i915->gpu_error,
engine);
}
t->reset_global = i915_reset_count(&i915->gpu_error);
return 0;
}
int igt_live_test_end(struct igt_live_test *t)
{
struct drm_i915_private *i915 = t->i915;
struct intel_engine_cs *engine;
enum intel_engine_id id;
struct intel_gt *gt;
unsigned int i;
if (igt_flush_test(i915))
return -EIO;
if (t->reset_global != i915_reset_count(&i915->gpu_error)) {
pr_err("%s(%s): GPU was reset %d times!\n",
t->func, t->name,
i915_reset_count(&i915->gpu_error) - t->reset_global);
return -EIO;
}
for_each_gt(gt, i915, i) {
for_each_engine(engine, gt, id) {
if (t->reset_engine[i][id] ==
i915_reset_engine_count(&i915->gpu_error, engine))
continue;
gt_err(gt, "%s(%s): engine '%s' was reset %d times!\n",
t->func, t->name, engine->name,
i915_reset_engine_count(&i915->gpu_error, engine) -
t->reset_engine[i][id]);
return -EIO;
}
}
return 0;
}
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