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/vgem/vgem_fence.c | 53 ++++++++++++++++++++------------------- 1 file changed, 27 insertions(+), 26 deletions(-) (limited to 'drivers/gpu/drm/vgem') diff --git a/drivers/gpu/drm/vgem/vgem_fence.c b/drivers/gpu/drm/vgem/vgem_fence.c index 5c57c1ffa1f9..488909a21ed8 100644 --- a/drivers/gpu/drm/vgem/vgem_fence.c +++ b/drivers/gpu/drm/vgem/vgem_fence.c @@ -28,56 +28,57 @@ #define VGEM_FENCE_TIMEOUT (10*HZ) struct vgem_fence { - struct fence base; + struct dma_fence base; struct spinlock lock; struct timer_list timer; }; -static const char *vgem_fence_get_driver_name(struct fence *fence) +static const char *vgem_fence_get_driver_name(struct dma_fence *fence) { return "vgem"; } -static const char *vgem_fence_get_timeline_name(struct fence *fence) +static const char *vgem_fence_get_timeline_name(struct dma_fence *fence) { return "unbound"; } -static bool vgem_fence_signaled(struct fence *fence) +static bool vgem_fence_signaled(struct dma_fence *fence) { return false; } -static bool vgem_fence_enable_signaling(struct fence *fence) +static bool vgem_fence_enable_signaling(struct dma_fence *fence) { return true; } -static void vgem_fence_release(struct fence *base) +static void vgem_fence_release(struct dma_fence *base) { struct vgem_fence *fence = container_of(base, typeof(*fence), base); del_timer_sync(&fence->timer); - fence_free(&fence->base); + dma_fence_free(&fence->base); } -static void vgem_fence_value_str(struct fence *fence, char *str, int size) +static void vgem_fence_value_str(struct dma_fence *fence, char *str, int size) { snprintf(str, size, "%u", fence->seqno); } -static void vgem_fence_timeline_value_str(struct fence *fence, char *str, +static void vgem_fence_timeline_value_str(struct dma_fence *fence, char *str, int size) { - snprintf(str, size, "%u", fence_is_signaled(fence) ? fence->seqno : 0); + snprintf(str, size, "%u", + dma_fence_is_signaled(fence) ? fence->seqno : 0); } -static const struct fence_ops vgem_fence_ops = { +static const struct dma_fence_ops vgem_fence_ops = { .get_driver_name = vgem_fence_get_driver_name, .get_timeline_name = vgem_fence_get_timeline_name, .enable_signaling = vgem_fence_enable_signaling, .signaled = vgem_fence_signaled, - .wait = fence_default_wait, + .wait = dma_fence_default_wait, .release = vgem_fence_release, .fence_value_str = vgem_fence_value_str, @@ -88,11 +89,11 @@ static void vgem_fence_timeout(unsigned long data) { struct vgem_fence *fence = (struct vgem_fence *)data; - fence_signal(&fence->base); + dma_fence_signal(&fence->base); } -static struct fence *vgem_fence_create(struct vgem_file *vfile, - unsigned int flags) +static struct dma_fence *vgem_fence_create(struct vgem_file *vfile, + unsigned int flags) { struct vgem_fence *fence; @@ -101,8 +102,8 @@ static struct fence *vgem_fence_create(struct vgem_file *vfile, return NULL; spin_lock_init(&fence->lock); - fence_init(&fence->base, &vgem_fence_ops, &fence->lock, - fence_context_alloc(1), 1); + dma_fence_init(&fence->base, &vgem_fence_ops, &fence->lock, + dma_fence_context_alloc(1), 1); setup_timer(&fence->timer, vgem_fence_timeout, (unsigned long)fence); @@ -157,7 +158,7 @@ int vgem_fence_attach_ioctl(struct drm_device *dev, struct vgem_file *vfile = file->driver_priv; struct reservation_object *resv; struct drm_gem_object *obj; - struct fence *fence; + struct dma_fence *fence; int ret; if (arg->flags & ~VGEM_FENCE_WRITE) @@ -209,8 +210,8 @@ int vgem_fence_attach_ioctl(struct drm_device *dev, } err_fence: if (ret) { - fence_signal(fence); - fence_put(fence); + dma_fence_signal(fence); + dma_fence_put(fence); } err: drm_gem_object_unreference_unlocked(obj); @@ -239,7 +240,7 @@ int vgem_fence_signal_ioctl(struct drm_device *dev, { struct vgem_file *vfile = file->driver_priv; struct drm_vgem_fence_signal *arg = data; - struct fence *fence; + struct dma_fence *fence; int ret = 0; if (arg->flags) @@ -253,11 +254,11 @@ int vgem_fence_signal_ioctl(struct drm_device *dev, if (IS_ERR(fence)) return PTR_ERR(fence); - if (fence_is_signaled(fence)) + if (dma_fence_is_signaled(fence)) ret = -ETIMEDOUT; - fence_signal(fence); - fence_put(fence); + dma_fence_signal(fence); + dma_fence_put(fence); return ret; } @@ -271,8 +272,8 @@ int vgem_fence_open(struct vgem_file *vfile) static int __vgem_fence_idr_fini(int id, void *p, void *data) { - fence_signal(p); - fence_put(p); + dma_fence_signal(p); + dma_fence_put(p); return 0; } -- cgit v1.2.3