Commit b5462cc3 authored Nov 16, 2020 by Zhang Xiaoxu Committed by Rodrigo Vivi Nov 16, 2020

drm/i915/selftests: Fix wrong return value of perf_request_latency()



If intel context create failed, the perf_request_latency() will return 0
rather than error, because we doesn't initialize the return value.

Fixes: 25c26f18 ("drm/i915/selftests: Measure dispatch latency")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20201116143540.3648870-1-zhangxiaoxu5@huawei.com


(cherry picked from commit 19384452052a1e0525e663bfbdd62ac1399bb647)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

parent 2106edbd

drivers/gpu/drm/i915/selftests/i915_request.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -2293,8 +2293,10 @@ static int perf_request_latency(void *arg)
		struct intel_context *ce;

		ce = intel_context_create(engine);
		if (IS_ERR(ce))
		if (IS_ERR(ce)) {
		err = PTR_ERR(ce);
		goto out;
		}

		err = intel_context_pin(ce);
		if (err) {

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