From ec3db4fc5672799085e2f0e0bf0a2d3f1b0ca4bf Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 15 Jun 2020 17:50:12 +0100
Subject: drm/i915/selftests: Dump engine state and trace upon hanging after
Git-commit: f2e85e57367e8ac3a6106e3919f450354a2cf725
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
reset
If the engine dies after a reset, and so we fail to submit a request
but need to be interrupted by the CI runner, dump the engine state.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200615165013.22973-2-chris@chris-wilson.co.uk
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index 2af66f8ffbd2..7461936d549d 100644
--- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -499,6 +499,20 @@ static int igt_reset_nop_engine(void *arg)
rq = intel_context_create_request(ce);
if (IS_ERR(rq)) {
+ struct drm_printer p =
+ drm_info_printer(gt->i915->drm.dev);
+ intel_engine_dump(engine, &p,
+ "%s(%s): failed to submit request\n",
+ __func__,
+ engine->name);
+
+ GEM_TRACE("%s(%s): failed to submit request\n",
+ __func__,
+ engine->name);
+ GEM_TRACE_DUMP();
+
+ intel_gt_set_wedged(gt);
+
err = PTR_ERR(rq);
break;
}
--
2.29.2