The seqno is now allocated ahead of calling ring->add_request, so this
is just unncessery and can be removed.

v2: Rebased on top of the changed fix patch.

Signed-Off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
 drivers/gpu/drm/i915/i915_gem.c         |    2 +-
 drivers/gpu/drm/i915/intel_ringbuffer.c |   24 +++++++-----------------
 drivers/gpu/drm/i915/intel_ringbuffer.h |    2 +-
 3 files changed, 9 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index dc8e45f..a72100c 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1682,7 +1682,7 @@ i915_add_request(struct intel_ring_buffer *ring,
        BUG_ON(request == NULL);
        seqno = i915_gem_next_request_seqno(ring);
 
-       ret = ring->add_request(ring, &seqno);
+       ret = ring->add_request(ring, seqno);
        if (ret)
            return ret;
 
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c 
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 7a107c9..117004f 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -440,7 +440,7 @@ update_mboxes(struct intel_ring_buffer *ring,
  */
 static int
 gen6_add_request(struct intel_ring_buffer *ring,
-                u32 *seqno)
+                u32 seqno)
 {
        u32 mbox1_reg;
        u32 mbox2_reg;
@@ -453,13 +453,11 @@ gen6_add_request(struct intel_ring_buffer *ring,
        mbox1_reg = ring->signal_mbox[0];
        mbox2_reg = ring->signal_mbox[1];
 
-       *seqno = i915_gem_next_request_seqno(ring);
-
-       update_mboxes(ring, *seqno, mbox1_reg);
-       update_mboxes(ring, *seqno, mbox2_reg);
+       update_mboxes(ring, seqno, mbox1_reg);
+       update_mboxes(ring, seqno, mbox2_reg);
        intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
        intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
-       intel_ring_emit(ring, *seqno);
+       intel_ring_emit(ring, seqno);
        intel_ring_emit(ring, MI_USER_INTERRUPT);
        intel_ring_advance(ring);
 
@@ -549,9 +547,8 @@ do {                                                        
                \
 
 static int
 pc_render_add_request(struct intel_ring_buffer *ring,
-                     u32 *result)
+                     u32 seqno)
 {
-       u32 seqno = i915_gem_next_request_seqno(ring);
        struct pipe_control *pc = ring->private;
        u32 scratch_addr = pc->gtt_offset + 128;
        int ret;
@@ -594,15 +591,13 @@ pc_render_add_request(struct intel_ring_buffer *ring,
        intel_ring_emit(ring, 0);
        intel_ring_advance(ring);
 
-       *result = seqno;
        return 0;
 }
 
 static int
 render_ring_add_request(struct intel_ring_buffer *ring,
-                       u32 *result)
+                       u32 seqno)
 {
-       u32 seqno = i915_gem_next_request_seqno(ring);
        int ret;
 
        ret = intel_ring_begin(ring, 4);
@@ -615,7 +610,6 @@ render_ring_add_request(struct intel_ring_buffer *ring,
        intel_ring_emit(ring, MI_USER_INTERRUPT);
        intel_ring_advance(ring);
 
-       *result = seqno;
        return 0;
 }
 
@@ -767,24 +761,20 @@ bsd_ring_flush(struct intel_ring_buffer *ring,
 
 static int
 ring_add_request(struct intel_ring_buffer *ring,
-                u32 *result)
+                u32 seqno)
 {
-       u32 seqno;
        int ret;
 
        ret = intel_ring_begin(ring, 4);
        if (ret)
                return ret;
 
-       seqno = i915_gem_next_request_seqno(ring);
-
        intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
        intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
        intel_ring_emit(ring, seqno);
        intel_ring_emit(ring, MI_USER_INTERRUPT);
        intel_ring_advance(ring);
 
-       *result = seqno;
        return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h 
b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 68281c9..1638f32 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -70,7 +70,7 @@ struct  intel_ring_buffer {
                                  u32   invalidate_domains,
                                  u32   flush_domains);
        int             (*add_request)(struct intel_ring_buffer *ring,
-                                      u32 *seqno);
+                                      u32 seqno);
        u32             (*get_seqno)(struct intel_ring_buffer *ring);
        int             (*dispatch_execbuffer)(struct intel_ring_buffer *ring,
                                               u32 offset, u32 length);
-- 
1.7.7.5

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