X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fi915%2Fintel_ringbuffer.h;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fi915%2Fintel_ringbuffer.h;h=94514d364d25fb60c05a1771df1044eb278796d9;hb=fdb8b20906f3546ba6c2f9f0686d8a5189516ba3;hp=c761fe05ad6fd9542d3a5101e8466aa9339ef130;hpb=cc84a1f21026270463b580f2564f9d71912b20db;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/i915/intel_ringbuffer.h b/kernel/drivers/gpu/drm/i915/intel_ringbuffer.h
index c761fe05a..94514d364 100644
--- a/kernel/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/kernel/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -266,6 +266,13 @@ struct  intel_engine_cs {
 	 * Do we have some not yet emitted requests outstanding?
 	 */
 	struct drm_i915_gem_request *outstanding_lazy_request;
+	/**
+	 * Seqno of request most recently submitted to request_list.
+	 * Used exclusively by hang checker to avoid grabbing lock while
+	 * inspecting request list.
+	 */
+	u32 last_submitted_seqno;
+
 	bool gpu_caches_dirty;
 
 	wait_queue_head_t irq_queue;