[Intel-gfx] [PATCH] drm/i915/selftests: Check for has-reset before testing hostile contexts

[Chris Wilson]

In order to kill off a hostile context, we need to be able to reset the
GPU. So check that is supported prior to beginning the test.

Reported-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 drivers/gpu/drm/i915/gt/selftest_lrc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 6f06ba750a0a..7e3a92faf392 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -2030,6 +2030,9 @@ static int __cancel_hostile(struct live_preempt_cancel *arg)
 	if (!IS_ACTIVE(CONFIG_DRM_I915_PREEMPT_TIMEOUT))
 		return 0;
 
+	if (!intel_has_reset_engine(arg->engine->gt))
+		return 0;
+
 	GEM_TRACE("%s(%s)\n", __func__, arg->engine->name);
 	rq = spinner_create_request(&arg->a.spin,
 				    arg->a.ctx, arg->engine,
-- 
2.20.1