Re: [PATCH 41/53] drm/i915: Update ring->emit_request() to take a request structure

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On 19/02/2015 17:17, John.C.Harrison@xxxxxxxxx wrote:
From: John Harrison <John.C.Harrison@xxxxxxxxx>

Updated the ring->emit_request() implementation to take a request instead of a
ringbuf/request pair. Also removed it's use of the OLR for obtaining the
request's seqno.

For: VIZ-5115
Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx>
---
  drivers/gpu/drm/i915/i915_gem.c         |    2 +-
  drivers/gpu/drm/i915/intel_lrc.c        |    7 +++----
  drivers/gpu/drm/i915/intel_ringbuffer.h |    3 +--
  3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 4357cd3..4f6e9ad 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2451,7 +2451,7 @@ int __i915_add_request(struct drm_i915_gem_request *request,
  	request->postfix = intel_ring_get_tail(ringbuf);

  	if (i915.enable_execlists)
-		ret = ring->emit_request(ringbuf, request);
+		ret = ring->emit_request(request);
  	else
  		ret = ring->add_request(request);
  	if (ret)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index f3bf2cc..f4661ec 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1314,9 +1314,9 @@ static void gen8_set_seqno(struct intel_engine_cs *ring, u32 seqno)
  	intel_write_status_page(ring, I915_GEM_HWS_INDEX, seqno);
  }

-static int gen8_emit_request(struct intel_ringbuffer *ringbuf,
-			     struct drm_i915_gem_request *request)
+static int gen8_emit_request(struct drm_i915_gem_request *request)
  {
+	struct intel_ringbuffer *ringbuf = request->ringbuf;
  	struct intel_engine_cs *ring = ringbuf->ring;
  	u32 cmd;
  	int ret;
@@ -1333,8 +1333,7 @@ static int gen8_emit_request(struct intel_ringbuffer *ringbuf,
  				(ring->status_page.gfx_addr +
  				(I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT)));
  	intel_logical_ring_emit(ringbuf, 0);
-	intel_logical_ring_emit(ringbuf,
-		i915_gem_request_get_seqno(ring->outstanding_lazy_request));
+	intel_logical_ring_emit(ringbuf, i915_gem_request_get_seqno(request));
  	intel_logical_ring_emit(ringbuf, MI_USER_INTERRUPT);
  	intel_logical_ring_emit(ringbuf, MI_NOOP);
  	intel_logical_ring_advance_and_submit(ringbuf, request->ctx, request);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index d2391a9..d8300f2 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -233,8 +233,7 @@ struct  intel_engine_cs {
  	struct list_head execlist_retired_req_list;
  	u8 next_context_status_buffer;
  	u32             irq_keep_mask; /* bitmask for interrupts that should not be masked */
-	int		(*emit_request)(struct intel_ringbuffer *ringbuf,
-					struct drm_i915_gem_request *request);
+	int		(*emit_request)(struct drm_i915_gem_request *request);
  	int		(*emit_flush)(struct drm_i915_gem_request *request,
  				      u32 invalidate_domains,
  				      u32 flush_domains);


Reviewed-by: Tomas Elf <tomas.elf@xxxxxxxxx>

Thanks,
Tomas
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