On ma, 2016-07-25 at 18:32 +0100, Chris Wilson wrote:
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_gem_request.c | 25 -------------------------
> drivers/gpu/drm/i915/i915_gem_request.h | 4 ----
> drivers/gpu/drm/i915/intel_ringbuffer.c | 18 +++++++++++++-----
> 3 files changed, 13 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
> index f1c37b7891cb..2c0c6a37f46a 100644
> --- a/drivers/gpu/drm/i915/i915_gem_request.c
> +++ b/drivers/gpu/drm/i915/i915_gem_request.c
> @@ -716,28 +716,3 @@ complete:
>
> return ret;
> }
> -
> -/**
> - * Waits for a request to be signaled, and cleans up the
> - * request and object lists appropriately for that event.
> - */
> -int i915_wait_request(struct drm_i915_gem_request *req)
> -{
> - int ret;
> -
> - lockdep_assert_held(&req->i915->drm.struct_mutex);
> - GEM_BUG_ON(list_empty(&req->link));
> -
> - ret = __i915_wait_request(req,
> - req->i915->mm.interruptible,
> - NULL,
> - NULL);
> - if (ret)
> - return ret;
> -
> - /* If the GPU hung, we want to keep the requests to find the guilty. */
> - if (!i915_reset_in_progress(&req->i915->gpu_error))
> - i915_gem_request_retire_upto(req);
> -
> - return 0;
> -}
> diff --git a/drivers/gpu/drm/i915/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h
> index b1ee37896feb..f4aab8e60c9e 100644
> --- a/drivers/gpu/drm/i915/i915_gem_request.h
> +++ b/drivers/gpu/drm/i915/i915_gem_request.h
> @@ -220,10 +220,6 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
> struct intel_rps_client *rps)
> __attribute__((nonnull(1)));
>
> -int __must_check
> -i915_wait_request(struct drm_i915_gem_request *req)
> - __attribute__((nonnull));
> -
> static inline u32 intel_engine_get_seqno(struct intel_engine_cs *engine);
>
> /**
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index af76869c8db2..507576ef8077 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -2284,6 +2284,7 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
> {
> struct intel_ring *ring = req->ring;
> struct drm_i915_gem_request *target;
> + int ret;
>
> intel_ring_update_space(ring);
> if (ring->space >= bytes)
> @@ -2313,7 +2314,18 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
> if (WARN_ON(&target->ring_link == &ring->request_list))
> return -ENOSPC;
>
> - return i915_wait_request(target);
> + ret = __i915_wait_request(target, true, NULL, NULL);
> + if (ret)
> + return ret;
> +
> + if (i915_reset_in_progress(&target->i915->gpu_error))
> + return -EAGAIN;
> +
> + i915_gem_request_retire_upto(target);
> +
> + intel_ring_update_space(ring);
> + GEM_BUG_ON(ring->space < bytes);
> + return 0;
> }
>
> int intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
> @@ -2351,10 +2363,6 @@ int intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
> int ret = wait_for_space(req, wait_bytes);
> if (unlikely(ret))
> return ret;
> -
> - intel_ring_update_space(ring);
> - if (unlikely(ring->space < wait_bytes))
> - return -EAGAIN;
> }
>
> if (unlikely(need_wrap)) {
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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