Re: [PATCH 29/53] drm/i915: Update add_request() to take a request structure

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

Now that all callers of i915_add_request() have a request pointer to hand, it is
possible to update the add request function to take a request pointer rather
than pulling it out of the OLR.

For: VIZ-5115
Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx>
---
  drivers/gpu/drm/i915/i915_drv.h            |   10 +++++-----
  drivers/gpu/drm/i915/i915_gem.c            |   24 ++++++++++++------------
  drivers/gpu/drm/i915/i915_gem_execbuffer.c |    2 +-
  drivers/gpu/drm/i915/intel_display.c       |    2 +-
  drivers/gpu/drm/i915/intel_lrc.c           |    2 +-
  drivers/gpu/drm/i915/intel_overlay.c       |    4 ++--
  drivers/gpu/drm/i915/intel_ringbuffer.c    |    3 ++-
  7 files changed, 24 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 34fd338..9206328 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2830,14 +2830,14 @@ void i915_gem_init_swizzling(struct drm_device *dev);
  void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
  int __must_check i915_gpu_idle(struct drm_device *dev);
  int __must_check i915_gem_suspend(struct drm_device *dev);
-int __i915_add_request(struct intel_engine_cs *ring,
+int __i915_add_request(struct drm_i915_gem_request *req,
  		       struct drm_file *file,
  		       struct drm_i915_gem_object *batch_obj,
  		       bool flush_caches);
-#define i915_add_request(ring) \
-	__i915_add_request(ring, NULL, NULL, true)
-#define i915_add_request_no_flush(ring) \
-	__i915_add_request(ring, NULL, NULL, false)
+#define i915_add_request(req) \
+	__i915_add_request(req, NULL, NULL, true)
+#define i915_add_request_no_flush(req) \
+	__i915_add_request(req, NULL, NULL, false)
  int __i915_wait_request(struct drm_i915_gem_request *req,
  			unsigned reset_counter,
  			bool interruptible,
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0c7e1bd..24fb7b9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1162,7 +1162,7 @@ i915_gem_check_olr(struct drm_i915_gem_request *req)

  	ret = 0;
  	if (req == req->ring->outstanding_lazy_request)
-		ret = i915_add_request(req->ring);
+		ret = i915_add_request(req);

  	return ret;
  }
@@ -2407,25 +2407,25 @@ i915_gem_get_seqno(struct drm_device *dev, u32 *seqno)
  	return 0;
  }

-int __i915_add_request(struct intel_engine_cs *ring,
+int __i915_add_request(struct drm_i915_gem_request *request,
  		       struct drm_file *file,
  		       struct drm_i915_gem_object *obj,
  		       bool flush_caches)
  {
-	struct drm_i915_private *dev_priv = ring->dev->dev_private;
-	struct drm_i915_gem_request *request;
+	struct intel_engine_cs *ring;
+	struct drm_i915_private *dev_priv;
  	struct intel_ringbuffer *ringbuf;
  	u32 request_start;
  	int ret;

-	request = ring->outstanding_lazy_request;
  	if (WARN_ON(request == NULL))
  		return -ENOMEM;

-	if (i915.enable_execlists) {
-		ringbuf = request->ctx->engine[ring->id].ringbuf;
-	} else
-		ringbuf = ring->buffer;
+	ring = request->ring;
+	dev_priv = ring->dev->dev_private;
+	ringbuf = request->ringbuf;
+
+	WARN_ON(request != ring->outstanding_lazy_request);

  	request_start = intel_ring_get_tail(ringbuf);
  	/*
@@ -3118,7 +3118,7 @@ int i915_gpu_idle(struct drm_device *dev)
  				return ret;
  			}

-			ret = i915_add_request_no_flush(req->ring);
+			ret = i915_add_request_no_flush(req);
  			if (ret) {
  				i915_gem_request_unreference(req);
  				return ret;
@@ -3966,7 +3966,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
  			if (ret)
  				return ret;

-			ret = i915_add_request_no_flush(req->ring);
+			ret = i915_add_request_no_flush(req);
  			if (ret)
  				return ret;
  		}
@@ -4884,7 +4884,7 @@ i915_gem_init_hw(struct drm_device *dev)
  			return ret;
  		}

-		ret = i915_add_request_no_flush(ring);
+		ret = i915_add_request_no_flush(req);
  		if (ret) {
  			DRM_ERROR("Add request ring #%d failed: %d\n", i, ret);
  			i915_gem_request_unreference(req);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 1e2fc80..15e33a9 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -996,7 +996,7 @@ i915_gem_execbuffer_retire_commands(struct i915_execbuffer_params *params)
  	params->ring->gpu_caches_dirty = true;

  	/* Add a breadcrumb for the completion of the batch buffer */
-	return __i915_add_request(params->ring, params->file,
+	return __i915_add_request(params->request, params->file,
  				  params->batch_obj, true);
  }

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c32bc0c..9cbfb93 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9840,7 +9840,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,

  		i915_gem_request_assign(&work->flip_queued_req, request);

-		ret = i915_add_request_no_flush(request->ring);
+		ret = i915_add_request_no_flush(request);
  		if (ret)
  			goto cleanup_request_assign;
  	}
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index f0bb98a..3b4393c 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1942,7 +1942,7 @@ int intel_lr_context_deferred_create(struct intel_context *ctx,
  				goto error;
  			}

-			ret = i915_add_request_no_flush(req->ring);
+			ret = i915_add_request_no_flush(req);
  			if (ret) {
  				DRM_ERROR("ring init context: %d\n", ret);
  				i915_gem_request_unreference(req);
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index dc209bf..228c9d1 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -217,7 +217,7 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,

  	BUG_ON(overlay->last_flip_req);
  	i915_gem_request_assign(&overlay->last_flip_req, req);
-	ret = i915_add_request(req->ring);
+	ret = i915_add_request(req);
  	if (ret) {
  		i915_gem_request_unreference(req);
  		return ret;
@@ -304,7 +304,7 @@ static int intel_overlay_continue(struct intel_overlay *overlay,

  	WARN_ON(overlay->last_flip_req);
  	i915_gem_request_assign(&overlay->last_flip_req, req);
-	ret = i915_add_request(req->ring);
+	ret = i915_add_request(req);
  	if (ret)
  		i915_gem_request_unreference(req);

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 18d12a5..508d7d8 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -2145,8 +2145,9 @@ int intel_ring_idle(struct intel_engine_cs *ring)
  	int ret;

  	/* We need to add any requests required to flush the objects and ring */
+	WARN_ON(ring->outstanding_lazy_request);
  	if (ring->outstanding_lazy_request) {
-		ret = i915_add_request(ring);
+		ret = i915_add_request(ring->outstanding_lazy_request);
  		if (ret)
  			return ret;
  	}


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

Thanks,
Tomas

_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/intel-gfx





[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]
  Powered by Linux