[Intel-gfx] [PATCH 14/62] drm/i915: Rename request reference/unreference to get/put

Daniel Vetter daniel at ffwll.ch
Wed Jun 8 09:15:00 UTC 2016


On Fri, Jun 03, 2016 at 05:36:39PM +0100, Chris Wilson wrote:
> Now that we derive requests from struct fence, swap over to its
> nomenclature for references. It's shorter and more idiomatic across the
> kernel.
> 
> s/i915_gem_request_reference/i915_gem_request_get/
> s/i915_gem_request_unreference/i915_gem_request_put/
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Assuming it compiles:

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
>  drivers/gpu/drm/i915/i915_gem.c          | 14 +++++++-------
>  drivers/gpu/drm/i915/i915_gem_request.c  |  2 +-
>  drivers/gpu/drm/i915/i915_gem_request.h  |  8 ++++----
>  drivers/gpu/drm/i915/i915_gem_userptr.c  |  4 ++--
>  drivers/gpu/drm/i915/intel_breadcrumbs.c |  4 ++--
>  drivers/gpu/drm/i915/intel_display.c     |  5 ++---
>  drivers/gpu/drm/i915/intel_lrc.c         | 10 +++++-----
>  drivers/gpu/drm/i915/intel_pm.c          |  5 ++---
>  8 files changed, 25 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 95782cf85dcc..5f232fb1a2a4 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -1188,7 +1188,7 @@ i915_gem_object_wait_rendering__nonblocking(struct drm_i915_gem_object *obj,
>  		if (req == NULL)
>  			return 0;
>  
> -		requests[n++] = i915_gem_request_reference(req);
> +		requests[n++] = i915_gem_request_get(req);
>  	} else {
>  		for (i = 0; i < I915_NUM_ENGINES; i++) {
>  			struct drm_i915_gem_request *req;
> @@ -1197,7 +1197,7 @@ i915_gem_object_wait_rendering__nonblocking(struct drm_i915_gem_object *obj,
>  			if (req == NULL)
>  				continue;
>  
> -			requests[n++] = i915_gem_request_reference(req);
> +			requests[n++] = i915_gem_request_get(req);
>  		}
>  	}
>  
> @@ -1210,7 +1210,7 @@ i915_gem_object_wait_rendering__nonblocking(struct drm_i915_gem_object *obj,
>  	for (i = 0; i < n; i++) {
>  		if (ret == 0)
>  			i915_gem_object_retire_request(obj, requests[i]);
> -		i915_gem_request_unreference(requests[i]);
> +		i915_gem_request_put(requests[i]);
>  	}
>  
>  	return ret;
> @@ -2532,7 +2532,7 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
>  		if (obj->last_read_req[i] == NULL)
>  			continue;
>  
> -		req[n++] = i915_gem_request_reference(obj->last_read_req[i]);
> +		req[n++] = i915_gem_request_get(obj->last_read_req[i]);
>  	}
>  
>  	mutex_unlock(&dev->struct_mutex);
> @@ -2542,7 +2542,7 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
>  			ret = __i915_wait_request(req[i], true,
>  						  args->timeout_ns > 0 ? &args->timeout_ns : NULL,
>  						  to_rps_client(file));
> -		i915_gem_request_unreference(req[i]);
> +		i915_gem_request_put(req[i]);
>  	}
>  	return ret;
>  
> @@ -3548,14 +3548,14 @@ i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file)
>  		target = request;
>  	}
>  	if (target)
> -		i915_gem_request_reference(target);
> +		i915_gem_request_get(target);
>  	spin_unlock(&file_priv->mm.lock);
>  
>  	if (target == NULL)
>  		return 0;
>  
>  	ret = __i915_wait_request(target, true, NULL, NULL);
> -	i915_gem_request_unreference(target);
> +	i915_gem_request_put(target);
>  
>  	return ret;
>  }
> diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
> index 512b15153ac6..2ecaf9fa936a 100644
> --- a/drivers/gpu/drm/i915/i915_gem_request.c
> +++ b/drivers/gpu/drm/i915/i915_gem_request.c
> @@ -365,7 +365,7 @@ static void i915_gem_request_retire(struct drm_i915_gem_request *request)
>  	}
>  
>  	i915_gem_context_unreference(request->ctx);
> -	i915_gem_request_unreference(request);
> +	i915_gem_request_put(request);
>  }
>  
>  void i915_gem_request_retire_upto(struct drm_i915_gem_request *req)
> diff --git a/drivers/gpu/drm/i915/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h
> index 248aec2c09b7..b1bc96c9e31d 100644
> --- a/drivers/gpu/drm/i915/i915_gem_request.h
> +++ b/drivers/gpu/drm/i915/i915_gem_request.h
> @@ -173,13 +173,13 @@ to_request(struct fence *fence)
>  }
>  
>  static inline struct drm_i915_gem_request *
> -i915_gem_request_reference(struct drm_i915_gem_request *req)
> +i915_gem_request_get(struct drm_i915_gem_request *req)
>  {
>  	return to_request(fence_get(&req->fence));
>  }
>  
>  static inline void
> -i915_gem_request_unreference(struct drm_i915_gem_request *req)
> +i915_gem_request_put(struct drm_i915_gem_request *req)
>  {
>  	fence_put(&req->fence);
>  }
> @@ -188,10 +188,10 @@ static inline void i915_gem_request_assign(struct drm_i915_gem_request **pdst,
>  					   struct drm_i915_gem_request *src)
>  {
>  	if (src)
> -		i915_gem_request_reference(src);
> +		i915_gem_request_get(src);
>  
>  	if (*pdst)
> -		i915_gem_request_unreference(*pdst);
> +		i915_gem_request_put(*pdst);
>  
>  	*pdst = src;
>  }
> diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c
> index 2314c88323e3..ba16e044fac6 100644
> --- a/drivers/gpu/drm/i915/i915_gem_userptr.c
> +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c
> @@ -78,7 +78,7 @@ static void wait_rendering(struct drm_i915_gem_object *obj)
>  		if (req == NULL)
>  			continue;
>  
> -		requests[n++] = i915_gem_request_reference(req);
> +		requests[n++] = i915_gem_request_get(req);
>  	}
>  
>  	mutex_unlock(&dev->struct_mutex);
> @@ -89,7 +89,7 @@ static void wait_rendering(struct drm_i915_gem_object *obj)
>  	mutex_lock(&dev->struct_mutex);
>  
>  	for (i = 0; i < n; i++)
> -		i915_gem_request_unreference(requests[i]);
> +		i915_gem_request_put(requests[i]);
>  }
>  
>  static void cancel_userptr(struct work_struct *work)
> diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
> index 05f62f706897..1d60149833e6 100644
> --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
> +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
> @@ -413,7 +413,7 @@ static int intel_breadcrumbs_signaler(void *arg)
>  			rb_erase(&request->signaling.node, &b->signals);
>  			spin_unlock(&b->lock);
>  
> -			i915_gem_request_unreference(request);
> +			i915_gem_request_put(request);
>  		} else {
>  			if (kthread_should_stop())
>  				break;
> @@ -446,7 +446,7 @@ int intel_engine_enable_signaling(struct drm_i915_gem_request *request)
>  
>  	request->signaling.wait.task = b->signaler;
>  	request->signaling.wait.seqno = request->fence.seqno;
> -	i915_gem_request_reference(request);
> +	i915_gem_request_get(request);
>  
>  	/* First add ourselves into the list of waiters, but register our
>  	 * bottom-half as the signaller thread. As per usual, only the oldest
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 14e41fdd8112..9b257126fa22 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -11005,11 +11005,10 @@ static void intel_unpin_work_fn(struct work_struct *__work)
>  	mutex_lock(&dev->struct_mutex);
>  	intel_unpin_fb_obj(work->old_fb, primary->state->rotation);
>  	drm_gem_object_unreference(&work->pending_flip_obj->base);
> -
> -	if (work->flip_queued_req)
> -		i915_gem_request_assign(&work->flip_queued_req, NULL);
>  	mutex_unlock(&dev->struct_mutex);
>  
> +	i915_gem_request_put(work->flip_queued_req);
> +
>  	intel_frontbuffer_flip_complete(dev, to_intel_plane(primary)->frontbuffer_bit);
>  	intel_fbc_post_update(crtc);
>  	drm_framebuffer_unreference(work->old_fb);
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index c7a9ebdb0811..a25177016fb3 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -438,7 +438,7 @@ static void execlists_context_unqueue(struct intel_engine_cs *engine)
>  			 * will update tail past first request's workload */
>  			cursor->elsp_submitted = req0->elsp_submitted;
>  			list_del(&req0->execlist_link);
> -			i915_gem_request_unreference(req0);
> +			i915_gem_request_put(req0);
>  			req0 = cursor;
>  		} else {
>  			req1 = cursor;
> @@ -489,7 +489,7 @@ execlists_check_remove_request(struct intel_engine_cs *engine, u32 ctx_id)
>  		return 0;
>  
>  	list_del(&head_req->execlist_link);
> -	i915_gem_request_unreference(head_req);
> +	i915_gem_request_put(head_req);
>  
>  	return 1;
>  }
> @@ -610,11 +610,11 @@ static void execlists_context_queue(struct drm_i915_gem_request *request)
>  			WARN(tail_req->elsp_submitted != 0,
>  				"More than 2 already-submitted reqs queued\n");
>  			list_del(&tail_req->execlist_link);
> -			i915_gem_request_unreference(tail_req);
> +			i915_gem_request_put(tail_req);
>  		}
>  	}
>  
> -	i915_gem_request_reference(request);
> +	i915_gem_request_get(request);
>  	list_add_tail(&request->execlist_link, &engine->execlist_queue);
>  	request->ctx_hw_id = request->ctx->hw_id;
>  	if (num_elements == 0)
> @@ -888,7 +888,7 @@ void intel_execlists_cancel_requests(struct intel_engine_cs *engine)
>  
>  	list_for_each_entry_safe(req, tmp, &cancel_list, execlist_link) {
>  		list_del(&req->execlist_link);
> -		i915_gem_request_unreference(req);
> +		i915_gem_request_put(req);
>  	}
>  }
>  
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 923ec6884a5e..ee247063c1b2 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -7696,7 +7696,7 @@ static void __intel_rps_boost_work(struct work_struct *work)
>  	if (!i915_gem_request_completed(req))
>  		gen6_rps_boost(req->i915, NULL, req->emitted_jiffies);
>  
> -	i915_gem_request_unreference(req);
> +	i915_gem_request_put(req);
>  	kfree(boost);
>  }
>  
> @@ -7714,8 +7714,7 @@ void intel_queue_rps_boost_for_request(struct drm_i915_gem_request *req)
>  	if (boost == NULL)
>  		return;
>  
> -	i915_gem_request_reference(req);
> -	boost->req = req;
> +	boost->req = i915_gem_request_get(req);
>  
>  	INIT_WORK(&boost->work, __intel_rps_boost_work);
>  	queue_work(req->i915->wq, &boost->work);
> -- 
> 2.8.1
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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