From 7da844c5c6fcb7a3575dd20701b481fe86918ab0 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 4 Aug 2016 07:52:38 +0100 Subject: [PATCH] drm/i915: Move the special case wait-request handling to its one caller Signed-off-by: Chris Wilson Reviewed-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/1470293567-10811-19-git-send-email-chris@chris-wilson.co.uk --- 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 a91e79fc5553..85ec5ca5c36b 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -731,28 +731,3 @@ 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 ed1670446d36..bc19980b6b1f 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 5b0eac2af28c..542cf585121c 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2269,6 +2269,7 @@ 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) @@ -2298,7 +2299,18 @@ 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) @@ -2336,10 +2348,6 @@ 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)) { -- 2.20.1