6dc0d028f5
The bspec lists both the clock frequency and the effective interval. The interval corresponds to observed behaviour, so adjust the frequency to match. v2: Mika rightfully asked if we could measure the clock frequency from a selftest. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200427154554.12736-1-chris@chris-wilson.co.uk
88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
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/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2019 Intel Corporation
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*/
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#include "selftest_llc.h"
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#include "selftest_rc6.h"
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#include "selftest_rps.h"
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static int live_gt_resume(void *arg)
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{
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struct intel_gt *gt = arg;
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IGT_TIMEOUT(end_time);
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int err;
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/* Do several suspend/resume cycles to check we don't explode! */
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do {
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intel_gt_suspend_prepare(gt);
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intel_gt_suspend_late(gt);
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if (gt->rc6.enabled) {
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pr_err("rc6 still enabled after suspend!\n");
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intel_gt_set_wedged_on_init(gt);
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err = -EINVAL;
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break;
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}
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err = intel_gt_resume(gt);
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if (err)
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break;
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if (gt->rc6.supported && !gt->rc6.enabled) {
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pr_err("rc6 not enabled upon resume!\n");
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intel_gt_set_wedged_on_init(gt);
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err = -EINVAL;
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break;
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}
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err = st_llc_verify(>->llc);
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if (err) {
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pr_err("llc state not restored upon resume!\n");
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intel_gt_set_wedged_on_init(gt);
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break;
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}
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} while (!__igt_timeout(end_time, NULL));
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return err;
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}
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int intel_gt_pm_live_selftests(struct drm_i915_private *i915)
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{
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static const struct i915_subtest tests[] = {
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SUBTEST(live_rc6_manual),
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SUBTEST(live_rps_clock_interval),
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SUBTEST(live_rps_control),
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SUBTEST(live_rps_frequency_cs),
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SUBTEST(live_rps_frequency_srm),
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SUBTEST(live_rps_power),
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SUBTEST(live_rps_interrupt),
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SUBTEST(live_rps_dynamic),
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SUBTEST(live_gt_resume),
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};
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if (intel_gt_is_wedged(&i915->gt))
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return 0;
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return intel_gt_live_subtests(tests, &i915->gt);
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}
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int intel_gt_pm_late_selftests(struct drm_i915_private *i915)
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{
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static const struct i915_subtest tests[] = {
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/*
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* These tests may leave the system in an undesirable state.
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* They are intended to be run last in CI and the system
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* rebooted afterwards.
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*/
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SUBTEST(live_rc6_ctx_wa),
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};
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if (intel_gt_is_wedged(&i915->gt))
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return 0;
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return intel_gt_live_subtests(tests, &i915->gt);
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}
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