From: John Harrison <john.c.harri...@intel.com>

Note: i915_trace_irq_get is no longer inline as it requires accessing the
internals of the request structure. As i915_drv.h includes intel_ringbuffer.h,
an inline within the former is never going to be able to use details from the
latter.

For: VIZ-4377
Signed-off-by: john.c.harri...@intel.com
---
 drivers/gpu/drm/i915/i915_gem.c         |   10 +++-------
 drivers/gpu/drm/i915/i915_trace.h       |    2 +-
 drivers/gpu/drm/i915/intel_ringbuffer.c |    8 ++++++++
 drivers/gpu/drm/i915/intel_ringbuffer.h |    8 ++------
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 18f3605..2e1ebad 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2646,15 +2646,11 @@ void i915_gem_reset(struct drm_device *dev)
 void
 i915_gem_retire_requests_ring(struct intel_engine_cs *ring)
 {
-       uint32_t seqno;
-
        if (list_empty(&ring->request_list))
                return;
 
        WARN_ON(i915_verify_lists(ring->dev));
 
-       seqno = ring->get_seqno(ring, true);
-
        /* Move any buffers on the active list that are no longer referenced
         * by the ringbuffer to the flushing/inactive lists as appropriate,
         * before we free the context associated with the requests.
@@ -2707,10 +2703,10 @@ i915_gem_retire_requests_ring(struct intel_engine_cs 
*ring)
                i915_gem_free_request(request);
        }
 
-       if (unlikely(ring->trace_irq_seqno &&
-                    i915_seqno_passed(seqno, ring->trace_irq_seqno))) {
+       if (unlikely(ring->trace_irq_req &&
+                    i915_gem_request_completed(ring->trace_irq_req, true))) {
                ring->irq_put(ring);
-               ring->trace_irq_seqno = 0;
+               ring->trace_irq_req = NULL;
        }
 
        WARN_ON(i915_verify_lists(ring->dev));
diff --git a/drivers/gpu/drm/i915/i915_trace.h 
b/drivers/gpu/drm/i915/i915_trace.h
index 66616f7..c8e515d 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -369,7 +369,7 @@ TRACE_EVENT(i915_gem_ring_dispatch,
                           __entry->ring = ring->id;
                           __entry->seqno = i915_gem_request_get_seqno(req);
                           __entry->flags = flags;
-                          i915_trace_irq_get(ring, __entry->seqno);
+                          i915_trace_irq_get(req);
                           ),
 
            TP_printk("dev=%u, ring=%u, seqno=%u, flags=%x",
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c 
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 4bbccdf..c8ec78c 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -2791,3 +2791,11 @@ intel_stop_ring_buffer(struct intel_engine_cs *ring)
 
        stop_ring(ring);
 }
+
+void i915_trace_irq_get(struct drm_i915_gem_request *req)
+{
+       struct intel_engine_cs *ring = i915_gem_request_get_ring(req);
+
+       if (ring->trace_irq_req == NULL && ring->irq_get(ring))
+               ring->trace_irq_req = req;
+}
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h 
b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 98b219d..5475046 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -142,7 +142,7 @@ struct  intel_engine_cs {
 
        unsigned irq_refcount; /* protected by dev_priv->irq_lock */
        u32             irq_enable_mask;        /* bitmask to enable ring 
interrupt */
-       u32             trace_irq_seqno;
+       struct drm_i915_gem_request *trace_irq_req;
        bool __must_check (*irq_get)(struct intel_engine_cs *ring);
        void            (*irq_put)(struct intel_engine_cs *ring);
 
@@ -435,11 +435,7 @@ intel_ring_get_request(struct intel_engine_cs *ring)
        return ring->outstanding_lazy_request;
 }
 
-static inline void i915_trace_irq_get(struct intel_engine_cs *ring, u32 seqno)
-{
-       if (ring->trace_irq_seqno == 0 && ring->irq_get(ring))
-               ring->trace_irq_seqno = seqno;
-}
+void i915_trace_irq_get(struct drm_i915_gem_request *req);
 
 /* DRI warts */
 int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size);
-- 
1.7.9.5

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