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drm/i915/selftests: Move some reset testcases to separate file

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igt_global_reset and igt_wedged_reset testcases are first candidates.

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190522193203.23932-2-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2019-05-22 19:31:55 +00:00 committed by Chris Wilson
parent d3622099c7
commit 932309fb03
4 changed files with 81 additions and 50 deletions
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4
drivers/gpu/drm/i915/gt/intel_reset.c
View File

@ -1394,3 +1394,7 @@ void __i915_fini_wedge(struct i915_wedge_me *w)
destroy_delayed_work_on_stack(&w->work);
w->i915 = NULL;
}
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftest_reset.c"
#endif

50
drivers/gpu/drm/i915/gt/selftest_hangcheck.c
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@ -365,54 +365,6 @@ static int igt_hang_sanitycheck(void *arg)
return err;
}
static int igt_global_reset(void *arg)
{
struct drm_i915_private *i915 = arg;
unsigned int reset_count;
int err = 0;
/* Check that we can issue a global GPU reset */
igt_global_reset_lock(i915);
reset_count = i915_reset_count(&i915->gpu_error);
i915_reset(i915, ALL_ENGINES, NULL);
if (i915_reset_count(&i915->gpu_error) == reset_count) {
pr_err("No GPU reset recorded!\n");
err = -EINVAL;
}
igt_global_reset_unlock(i915);
if (i915_reset_failed(i915))
err = -EIO;
return err;
}
static int igt_wedged_reset(void *arg)
{
struct drm_i915_private *i915 = arg;
intel_wakeref_t wakeref;
/* Check that we can recover a wedged device with a GPU reset */
igt_global_reset_lock(i915);
wakeref = intel_runtime_pm_get(i915);
i915_gem_set_wedged(i915);
GEM_BUG_ON(!i915_reset_failed(i915));
i915_reset(i915, ALL_ENGINES, NULL);
intel_runtime_pm_put(i915, wakeref);
igt_global_reset_unlock(i915);
return i915_reset_failed(i915) ? -EIO : 0;
}
static bool wait_for_idle(struct intel_engine_cs *engine)
{
return wait_for(intel_engine_is_idle(engine), IGT_IDLE_TIMEOUT) == 0;
@ -1846,8 +1798,6 @@ static int igt_atomic_reset(void *arg)
int intel_hangcheck_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
SUBTEST(igt_global_reset), /* attempt to recover GPU first */
SUBTEST(igt_wedged_reset),
SUBTEST(igt_hang_sanitycheck),
SUBTEST(igt_reset_nop),
SUBTEST(igt_reset_nop_engine),

76
drivers/gpu/drm/i915/gt/selftest_reset.c Normal file
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@ -0,0 +1,76 @@
// SPDX-License-Identifier: MIT
/*
* Copyright © 2018 Intel Corporation
*/
#include "i915_selftest.h"
#include "selftests/igt_reset.h"
static int igt_global_reset(void *arg)
{
struct drm_i915_private *i915 = arg;
unsigned int reset_count;
int err = 0;
/* Check that we can issue a global GPU reset */
igt_global_reset_lock(i915);
reset_count = i915_reset_count(&i915->gpu_error);
i915_reset(i915, ALL_ENGINES, NULL);
if (i915_reset_count(&i915->gpu_error) == reset_count) {
pr_err("No GPU reset recorded!\n");
err = -EINVAL;
}
igt_global_reset_unlock(i915);
if (i915_reset_failed(i915))
err = -EIO;
return err;
}
static int igt_wedged_reset(void *arg)
{
struct drm_i915_private *i915 = arg;
intel_wakeref_t wakeref;
/* Check that we can recover a wedged device with a GPU reset */
igt_global_reset_lock(i915);
wakeref = intel_runtime_pm_get(i915);
i915_gem_set_wedged(i915);
GEM_BUG_ON(!i915_reset_failed(i915));
i915_reset(i915, ALL_ENGINES, NULL);
intel_runtime_pm_put(i915, wakeref);
igt_global_reset_unlock(i915);
return i915_reset_failed(i915) ? -EIO : 0;
}
int intel_reset_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
SUBTEST(igt_global_reset), /* attempt to recover GPU first */
SUBTEST(igt_wedged_reset),
};
intel_wakeref_t wakeref;
int err = 0;
if (!intel_has_gpu_reset(i915))
return 0;
if (i915_terminally_wedged(i915))
return -EIO; /* we're long past hope of a successful reset */
with_intel_runtime_pm(i915, wakeref)
err = i915_subtests(tests, i915);
return err;
}

1
drivers/gpu/drm/i915/selftests/i915_live_selftests.h
View File

@ -24,6 +24,7 @@ selftest(gem, i915_gem_live_selftests)
selftest(evict, i915_gem_evict_live_selftests)
selftest(hugepages, i915_gem_huge_page_live_selftests)
selftest(contexts, i915_gem_context_live_selftests)
selftest(reset, intel_reset_live_selftests)
selftest(hangcheck, intel_hangcheck_live_selftests)
selftest(execlists, intel_execlists_live_selftests)
selftest(guc, intel_guc_live_selftest)