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/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2019 Intel Corporation
*/
#include "selftest_llc.h"
#include "selftest_rc6.h"
static int live_gt_resume(void *arg)
{
struct intel_gt *gt = arg;
IGT_TIMEOUT(end_time);
int err;
/* Do several suspend/resume cycles to check we don't explode! */
do {
intel_gt_suspend_prepare(gt);
intel_gt_suspend_late(gt);
if (gt->rc6.enabled) {
pr_err("rc6 still enabled after suspend!\n");
intel_gt_set_wedged_on_init(gt);
err = -EINVAL;
break;
}
err = intel_gt_resume(gt);
if (err)
break;
if (gt->rc6.supported && !gt->rc6.enabled) {
pr_err("rc6 not enabled upon resume!\n");
intel_gt_set_wedged_on_init(gt);
err = -EINVAL;
break;
}
err = st_llc_verify(>->llc);
if (err) {
pr_err("llc state not restored upon resume!\n");
intel_gt_set_wedged_on_init(gt);
break;
}
} while (!__igt_timeout(end_time, NULL));
return err;
}
int intel_gt_pm_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
SUBTEST(live_rc6_manual),
SUBTEST(live_gt_resume),
};
if (intel_gt_is_wedged(&i915->gt))
return 0;
return intel_gt_live_subtests(tests, &i915->gt);
}
int intel_gt_pm_late_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
/*
* These tests may leave the system in an undesirable state.
* They are intended to be run last in CI and the system
* rebooted afterwards.
*/
SUBTEST(live_rc6_ctx_wa),
};
if (intel_gt_is_wedged(&i915->gt))
return 0;
return intel_gt_live_subtests(tests, &i915->gt);
}
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