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

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

drivers/gpu/drm/i915/gt/intel_reset.c

@@ -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

drivers/gpu/drm/i915/gt/selftest_hangcheck.c

@@ -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),

drivers/gpu/drm/i915/gt/selftest_reset.c

+// 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;
+}

drivers/gpu/drm/i915/selftests/i915_live_selftests.h

@@ -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)