From f54d1867005c3323f5d8ad83eed823e84226c429 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 25 Oct 2016 13:00:45 +0100 Subject: dma-buf: Rename struct fence to dma_fence MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit I plan to usurp the short name of struct fence for a core kernel struct, and so I need to rename the specialised fence/timeline for DMA operations to make room. A consensus was reached in https://lists.freedesktop.org/archives/dri-devel/2016-July/113083.html that making clear this fence applies to DMA operations was a good thing. Since then the patch has grown a bit as usage increases, so hopefully it remains a good thing! (v2...: rebase, rerun spatch) v3: Compile on msm, spotted a manual fixup that I broke. v4: Try again for msm, sorry Daniel coccinelle script: @@ @@ - struct fence + struct dma_fence @@ @@ - struct fence_ops + struct dma_fence_ops @@ @@ - struct fence_cb + struct dma_fence_cb @@ @@ - struct fence_array + struct dma_fence_array @@ @@ - enum fence_flag_bits + enum dma_fence_flag_bits @@ @@ ( - fence_init + dma_fence_init | - fence_release + dma_fence_release | - fence_free + dma_fence_free | - fence_get + dma_fence_get | - fence_get_rcu + dma_fence_get_rcu | - fence_put + dma_fence_put | - fence_signal + dma_fence_signal | - fence_signal_locked + dma_fence_signal_locked | - fence_default_wait + dma_fence_default_wait | - fence_add_callback + dma_fence_add_callback | - fence_remove_callback + dma_fence_remove_callback | - fence_enable_sw_signaling + dma_fence_enable_sw_signaling | - fence_is_signaled_locked + dma_fence_is_signaled_locked | - fence_is_signaled + dma_fence_is_signaled | - fence_is_later + dma_fence_is_later | - fence_later + dma_fence_later | - fence_wait_timeout + dma_fence_wait_timeout | - fence_wait_any_timeout + dma_fence_wait_any_timeout | - fence_wait + dma_fence_wait | - fence_context_alloc + dma_fence_context_alloc | - fence_array_create + dma_fence_array_create | - to_fence_array + to_dma_fence_array | - fence_is_array + dma_fence_is_array | - trace_fence_emit + trace_dma_fence_emit | - FENCE_TRACE + DMA_FENCE_TRACE | - FENCE_WARN + DMA_FENCE_WARN | - FENCE_ERR + DMA_FENCE_ERR ) ( ... ) Signed-off-by: Chris Wilson Reviewed-by: Gustavo Padovan Acked-by: Sumit Semwal Acked-by: Christian König Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20161025120045.28839-1-chris@chris-wilson.co.uk --- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 58 +++++++++++++++---------------- 1 file changed, 29 insertions(+), 29 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 3a2e42f4b897..57552c79ec58 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -48,7 +48,7 @@ */ struct amdgpu_fence { - struct fence base; + struct dma_fence base; /* RB, DMA, etc. */ struct amdgpu_ring *ring; @@ -73,8 +73,8 @@ void amdgpu_fence_slab_fini(void) /* * Cast helper */ -static const struct fence_ops amdgpu_fence_ops; -static inline struct amdgpu_fence *to_amdgpu_fence(struct fence *f) +static const struct dma_fence_ops amdgpu_fence_ops; +static inline struct amdgpu_fence *to_amdgpu_fence(struct dma_fence *f) { struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base); @@ -130,11 +130,11 @@ static u32 amdgpu_fence_read(struct amdgpu_ring *ring) * Emits a fence command on the requested ring (all asics). * Returns 0 on success, -ENOMEM on failure. */ -int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **f) +int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f) { struct amdgpu_device *adev = ring->adev; struct amdgpu_fence *fence; - struct fence *old, **ptr; + struct dma_fence *old, **ptr; uint32_t seq; fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_KERNEL); @@ -143,10 +143,10 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **f) seq = ++ring->fence_drv.sync_seq; fence->ring = ring; - fence_init(&fence->base, &amdgpu_fence_ops, - &ring->fence_drv.lock, - adev->fence_context + ring->idx, - seq); + dma_fence_init(&fence->base, &amdgpu_fence_ops, + &ring->fence_drv.lock, + adev->fence_context + ring->idx, + seq); amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr, seq, AMDGPU_FENCE_FLAG_INT); @@ -155,12 +155,12 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **f) * emitting the fence would mess up the hardware ring buffer. */ old = rcu_dereference_protected(*ptr, 1); - if (old && !fence_is_signaled(old)) { + if (old && !dma_fence_is_signaled(old)) { DRM_INFO("rcu slot is busy\n"); - fence_wait(old, false); + dma_fence_wait(old, false); } - rcu_assign_pointer(*ptr, fence_get(&fence->base)); + rcu_assign_pointer(*ptr, dma_fence_get(&fence->base)); *f = &fence->base; @@ -211,7 +211,7 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) seq &= drv->num_fences_mask; do { - struct fence *fence, **ptr; + struct dma_fence *fence, **ptr; ++last_seq; last_seq &= drv->num_fences_mask; @@ -224,13 +224,13 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) if (!fence) continue; - r = fence_signal(fence); + r = dma_fence_signal(fence); if (!r) - FENCE_TRACE(fence, "signaled from irq context\n"); + DMA_FENCE_TRACE(fence, "signaled from irq context\n"); else BUG(); - fence_put(fence); + dma_fence_put(fence); } while (last_seq != seq); } @@ -260,7 +260,7 @@ static void amdgpu_fence_fallback(unsigned long arg) int amdgpu_fence_wait_empty(struct amdgpu_ring *ring) { uint64_t seq = ACCESS_ONCE(ring->fence_drv.sync_seq); - struct fence *fence, **ptr; + struct dma_fence *fence, **ptr; int r; if (!seq) @@ -269,14 +269,14 @@ int amdgpu_fence_wait_empty(struct amdgpu_ring *ring) ptr = &ring->fence_drv.fences[seq & ring->fence_drv.num_fences_mask]; rcu_read_lock(); fence = rcu_dereference(*ptr); - if (!fence || !fence_get_rcu(fence)) { + if (!fence || !dma_fence_get_rcu(fence)) { rcu_read_unlock(); return 0; } rcu_read_unlock(); - r = fence_wait(fence, false); - fence_put(fence); + r = dma_fence_wait(fence, false); + dma_fence_put(fence); return r; } @@ -452,7 +452,7 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev) amd_sched_fini(&ring->sched); del_timer_sync(&ring->fence_drv.fallback_timer); for (j = 0; j <= ring->fence_drv.num_fences_mask; ++j) - fence_put(ring->fence_drv.fences[j]); + dma_fence_put(ring->fence_drv.fences[j]); kfree(ring->fence_drv.fences); ring->fence_drv.fences = NULL; ring->fence_drv.initialized = false; @@ -541,12 +541,12 @@ void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev) * Common fence implementation */ -static const char *amdgpu_fence_get_driver_name(struct fence *fence) +static const char *amdgpu_fence_get_driver_name(struct dma_fence *fence) { return "amdgpu"; } -static const char *amdgpu_fence_get_timeline_name(struct fence *f) +static const char *amdgpu_fence_get_timeline_name(struct dma_fence *f) { struct amdgpu_fence *fence = to_amdgpu_fence(f); return (const char *)fence->ring->name; @@ -560,7 +560,7 @@ static const char *amdgpu_fence_get_timeline_name(struct fence *f) * to fence_queue that checks if this fence is signaled, and if so it * signals the fence and removes itself. */ -static bool amdgpu_fence_enable_signaling(struct fence *f) +static bool amdgpu_fence_enable_signaling(struct dma_fence *f) { struct amdgpu_fence *fence = to_amdgpu_fence(f); struct amdgpu_ring *ring = fence->ring; @@ -568,7 +568,7 @@ static bool amdgpu_fence_enable_signaling(struct fence *f) if (!timer_pending(&ring->fence_drv.fallback_timer)) amdgpu_fence_schedule_fallback(ring); - FENCE_TRACE(&fence->base, "armed on ring %i!\n", ring->idx); + DMA_FENCE_TRACE(&fence->base, "armed on ring %i!\n", ring->idx); return true; } @@ -582,7 +582,7 @@ static bool amdgpu_fence_enable_signaling(struct fence *f) */ static void amdgpu_fence_free(struct rcu_head *rcu) { - struct fence *f = container_of(rcu, struct fence, rcu); + struct dma_fence *f = container_of(rcu, struct dma_fence, rcu); struct amdgpu_fence *fence = to_amdgpu_fence(f); kmem_cache_free(amdgpu_fence_slab, fence); } @@ -595,16 +595,16 @@ static void amdgpu_fence_free(struct rcu_head *rcu) * This function is called when the reference count becomes zero. * It just RCU schedules freeing up the fence. */ -static void amdgpu_fence_release(struct fence *f) +static void amdgpu_fence_release(struct dma_fence *f) { call_rcu(&f->rcu, amdgpu_fence_free); } -static const struct fence_ops amdgpu_fence_ops = { +static const struct dma_fence_ops amdgpu_fence_ops = { .get_driver_name = amdgpu_fence_get_driver_name, .get_timeline_name = amdgpu_fence_get_timeline_name, .enable_signaling = amdgpu_fence_enable_signaling, - .wait = fence_default_wait, + .wait = dma_fence_default_wait, .release = amdgpu_fence_release, }; -- cgit v1.2.3