[Intel-gfx] [PATCH 53/59] drm/i915: Remove the now obsolete 'outstanding_lazy_request'
Tomas Elf
tomas.elf at intel.com
Tue Mar 31 11:01:34 PDT 2015
On 19/03/2015 12:30, John.C.Harrison at Intel.com wrote:
> From: John Harrison <John.C.Harrison at Intel.com>
>
> The outstanding_lazy_request is no longer used anywhere in the driver.
> Everything that was looking at it now has a request explicitly passed in from on
> high. Everything that was relying upon it behind the scenes is now explicitly
> creating/passing/submitting it's own private request. Thus the OLR can be
Nitpick "it's own private request" : "it's" -> "its"
Also, there are references to outstanding lazy request in this commit
even though we've removed OLR in it. However, those references get
removed further down the patch series and they don't break anything so
that's pretty much ok.
Reviewed-by: Tomas Elf <tomas.elf at intel.com>
Thanks,
Tomas
> removed.
>
> For: VIZ-5115
> Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
> ---
> drivers/gpu/drm/i915/i915_gem.c | 16 ++--------------
> drivers/gpu/drm/i915/i915_gem_execbuffer.c | 4 +---
> drivers/gpu/drm/i915/intel_lrc.c | 1 -
> drivers/gpu/drm/i915/intel_ringbuffer.c | 8 --------
> drivers/gpu/drm/i915/intel_ringbuffer.h | 4 ----
> 5 files changed, 3 insertions(+), 30 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index fe2de21..9ff9bda 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -1161,9 +1161,6 @@ i915_gem_check_olr(struct drm_i915_gem_request *req)
> {
> WARN_ON(!mutex_is_locked(&req->ring->dev->struct_mutex));
>
> - if (req == req->ring->outstanding_lazy_request)
> - i915_add_request(req);
> -
> return 0;
> }
>
> @@ -2344,8 +2341,6 @@ void __i915_add_request(struct drm_i915_gem_request *request,
> dev_priv = ring->dev->dev_private;
> ringbuf = request->ringbuf;
>
> - WARN_ON(request != ring->outstanding_lazy_request);
> -
> /*
> * To ensure that this call will not fail, space for it's emissions
> * should already have been reserved in the ring buffer. Let the ring
> @@ -2412,7 +2407,6 @@ void __i915_add_request(struct drm_i915_gem_request *request,
> }
>
> trace_i915_gem_request_add(request);
> - ring->outstanding_lazy_request = NULL;
>
> i915_queue_hangcheck(ring->dev);
>
> @@ -2526,8 +2520,7 @@ int i915_gem_request_alloc(struct intel_engine_cs *ring,
> if (!req_out)
> return -EINVAL;
>
> - if ((*req_out = ring->outstanding_lazy_request) != NULL)
> - return 0;
> + *req_out = NULL;
>
> request = kzalloc(sizeof(*request), GFP_KERNEL);
> if (request == NULL)
> @@ -2576,7 +2569,7 @@ int i915_gem_request_alloc(struct intel_engine_cs *ring,
> return ret;
> }
>
> - *req_out = ring->outstanding_lazy_request = request;
> + *req_out = request;
> return 0;
> }
>
> @@ -2671,9 +2664,6 @@ static void i915_gem_reset_ring_cleanup(struct drm_i915_private *dev_priv,
>
> i915_gem_free_request(request);
> }
> -
> - /* This may not have been flushed before the reset, so clean it now */
> - i915_gem_request_assign(&ring->outstanding_lazy_request, NULL);
> }
>
> void i915_gem_restore_fences(struct drm_device *dev)
> @@ -3131,8 +3121,6 @@ int i915_gpu_idle(struct drm_device *dev)
> i915_add_request_no_flush(req);
> }
>
> - WARN_ON(ring->outstanding_lazy_request);
> -
> ret = intel_ring_idle(ring);
> if (ret)
> return ret;
> diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> index 9345db8..c512979 100644
> --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> @@ -1638,10 +1638,8 @@ err:
> * must be freed again. If it was submitted then it is being tracked
> * on the active request list and no clean up is required here.
> */
> - if (ret && params->request) {
> + if (ret && params->request)
> i915_gem_request_cancel(params->request);
> - ring->outstanding_lazy_request = NULL;
> - }
>
> mutex_unlock(&dev->struct_mutex);
>
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 8cb34c6..60bcf9a 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -1384,7 +1384,6 @@ void intel_logical_ring_cleanup(struct intel_engine_cs *ring)
>
> intel_logical_ring_stop(ring);
> WARN_ON((I915_READ_MODE(ring) & MODE_IDLE) == 0);
> - i915_gem_request_assign(&ring->outstanding_lazy_request, NULL);
>
> if (ring->cleanup)
> ring->cleanup(ring);
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index c7dcabd..c5752c4 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -2051,7 +2051,6 @@ void intel_cleanup_ring_buffer(struct intel_engine_cs *ring)
>
> intel_unpin_ringbuffer_obj(ringbuf);
> intel_destroy_ringbuffer_obj(ringbuf);
> - i915_gem_request_assign(&ring->outstanding_lazy_request, NULL);
>
> if (ring->cleanup)
> ring->cleanup(ring);
> @@ -2182,11 +2181,6 @@ int intel_ring_idle(struct intel_engine_cs *ring)
> {
> struct drm_i915_gem_request *req;
>
> - /* We need to add any requests required to flush the objects and ring */
> - WARN_ON(ring->outstanding_lazy_request);
> - if (ring->outstanding_lazy_request)
> - i915_add_request(ring->outstanding_lazy_request);
> -
> /* Wait upon the last request to be completed */
> if (list_empty(&ring->request_list))
> return 0;
> @@ -2321,8 +2315,6 @@ void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno)
> struct drm_device *dev = ring->dev;
> struct drm_i915_private *dev_priv = dev->dev_private;
>
> - BUG_ON(ring->outstanding_lazy_request);
> -
> if (INTEL_INFO(dev)->gen == 6 || INTEL_INFO(dev)->gen == 7) {
> I915_WRITE(RING_SYNC_0(ring->mmio_base), 0);
> I915_WRITE(RING_SYNC_1(ring->mmio_base), 0);
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
> index 3002338..68097c1 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.h
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
> @@ -261,10 +261,6 @@ struct intel_engine_cs {
> */
> struct list_head request_list;
>
> - /**
> - * Do we have some not yet emitted requests outstanding?
> - */
> - struct drm_i915_gem_request *outstanding_lazy_request;
> bool gpu_caches_dirty;
>
> wait_queue_head_t irq_queue;
>
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