All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] drm/i915/selftests: Always use an active engine while resetting
@ 2019-02-13 22:48 Chris Wilson
  2019-02-14 15:53 ` ✓ Fi.CI.BAT: success for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Chris Wilson @ 2019-02-13 22:48 UTC (permalink / raw)
  To: intel-gfx

Currently, we only try to reset a live engine for checking the whitelist
retention across a per-engine reset. For safety, it appears we need to
prime the system with a hanging spinner before performing a full-device
reset. (Figuring out the root cause behind the instability with handling
a reset during a no-op request is a challenge for another test, the
whitelist test has its own purpose.)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109626
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 .../drm/i915/selftests/intel_workarounds.c    | 27 ++++++-------------
 1 file changed, 8 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/selftests/intel_workarounds.c b/drivers/gpu/drm/i915/selftests/intel_workarounds.c
index b15c4f26c593..d6bb2005024d 100644
--- a/drivers/gpu/drm/i915/selftests/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/selftests/intel_workarounds.c
@@ -237,14 +237,8 @@ switch_to_scratch_context(struct intel_engine_cs *engine,
 		return PTR_ERR(ctx);
 
 	rq = ERR_PTR(-ENODEV);
-	with_intel_runtime_pm(engine->i915, wakeref) {
-		if (spin)
-			rq = igt_spinner_create_request(spin,
-							ctx, engine,
-							MI_NOOP);
-		else
-			rq = i915_request_alloc(engine, ctx);
-	}
+	with_intel_runtime_pm(engine->i915, wakeref)
+		rq = igt_spinner_create_request(spin, ctx, engine, MI_NOOP);
 
 	kernel_context_close(ctx);
 
@@ -273,7 +267,6 @@ static int check_whitelist_across_reset(struct intel_engine_cs *engine,
 					const char *name)
 {
 	struct drm_i915_private *i915 = engine->i915;
-	bool want_spin = reset == do_engine_reset;
 	struct i915_gem_context *ctx;
 	struct igt_spinner spin;
 	intel_wakeref_t wakeref;
@@ -282,11 +275,9 @@ static int check_whitelist_across_reset(struct intel_engine_cs *engine,
 	pr_info("Checking %d whitelisted registers (RING_NONPRIV) [%s]\n",
 		engine->whitelist.count, name);
 
-	if (want_spin) {
-		err = igt_spinner_init(&spin, i915);
-		if (err)
-			return err;
-	}
+	err = igt_spinner_init(&spin, i915);
+	if (err)
+		return err;
 
 	ctx = kernel_context(i915);
 	if (IS_ERR(ctx))
@@ -298,17 +289,15 @@ static int check_whitelist_across_reset(struct intel_engine_cs *engine,
 		goto out;
 	}
 
-	err = switch_to_scratch_context(engine, want_spin ? &spin : NULL);
+	err = switch_to_scratch_context(engine, &spin);
 	if (err)
 		goto out;
 
 	with_intel_runtime_pm(i915, wakeref)
 		err = reset(engine);
 
-	if (want_spin) {
-		igt_spinner_end(&spin);
-		igt_spinner_fini(&spin);
-	}
+	igt_spinner_end(&spin);
+	igt_spinner_fini(&spin);
 
 	if (err) {
 		pr_err("%s reset failed\n", name);
-- 
2.20.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

^ permalink raw reply related	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2019-02-15  9:19 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-02-13 22:48 [PATCH] drm/i915/selftests: Always use an active engine while resetting Chris Wilson
2019-02-14 15:53 ` ✓ Fi.CI.BAT: success for " Patchwork
2019-02-14 22:02 ` ✗ Fi.CI.IGT: failure " Patchwork
2019-02-15  9:09 ` [PATCH] " Mika Kuoppala
2019-02-15  9:19   ` Chris Wilson

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.