dma-buf: Rename struct fence to dma_fence

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 <chris@chris-wilson.co.uk>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161025120045.28839-1-chris@chris-wilson.co.uk

3 files changed, 27 insertions, 27 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 26ac8e80a478..6541dd8b82dc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -108,7 +108,7 @@ fman_from_fence(struct vmw_fence_obj *fence)
  * objects with actions attached to them.
  */
 
-static void vmw_fence_obj_destroy(struct fence *f)
+static void vmw_fence_obj_destroy(struct dma_fence *f)
 {
 	struct vmw_fence_obj *fence =
 		container_of(f, struct vmw_fence_obj, base);
@@ -123,17 +123,17 @@ static void vmw_fence_obj_destroy(struct fence *f)
 	fence->destroy(fence);
 }
 
-static const char *vmw_fence_get_driver_name(struct fence *f)
+static const char *vmw_fence_get_driver_name(struct dma_fence *f)
 {
 	return "vmwgfx";
 }
 
-static const char *vmw_fence_get_timeline_name(struct fence *f)
+static const char *vmw_fence_get_timeline_name(struct dma_fence *f)
 {
 	return "svga";
 }
 
-static bool vmw_fence_enable_signaling(struct fence *f)
+static bool vmw_fence_enable_signaling(struct dma_fence *f)
 {
 	struct vmw_fence_obj *fence =
 		container_of(f, struct vmw_fence_obj, base);
@@ -152,12 +152,12 @@ static bool vmw_fence_enable_signaling(struct fence *f)
 }
 
 struct vmwgfx_wait_cb {
-	struct fence_cb base;
+	struct dma_fence_cb base;
 	struct task_struct *task;
 };
 
 static void
-vmwgfx_wait_cb(struct fence *fence, struct fence_cb *cb)
+vmwgfx_wait_cb(struct dma_fence *fence, struct dma_fence_cb *cb)
 {
 	struct vmwgfx_wait_cb *wait =
 		container_of(cb, struct vmwgfx_wait_cb, base);
@@ -167,7 +167,7 @@ vmwgfx_wait_cb(struct fence *fence, struct fence_cb *cb)
 
 static void __vmw_fences_update(struct vmw_fence_manager *fman);
 
-static long vmw_fence_wait(struct fence *f, bool intr, signed long timeout)
+static long vmw_fence_wait(struct dma_fence *f, bool intr, signed long timeout)
 {
 	struct vmw_fence_obj *fence =
 		container_of(f, struct vmw_fence_obj, base);
@@ -197,7 +197,7 @@ static long vmw_fence_wait(struct fence *f, bool intr, signed long timeout)
 
 	while (ret > 0) {
 		__vmw_fences_update(fman);
-		if (test_bit(FENCE_FLAG_SIGNALED_BIT, &f->flags))
+		if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &f->flags))
 			break;
 
 		if (intr)
@@ -225,7 +225,7 @@ out:
 	return ret;
 }
 
-static struct fence_ops vmw_fence_ops = {
+static struct dma_fence_ops vmw_fence_ops = {
 	.get_driver_name = vmw_fence_get_driver_name,
 	.get_timeline_name = vmw_fence_get_timeline_name,
 	.enable_signaling = vmw_fence_enable_signaling,
@@ -298,7 +298,7 @@ struct vmw_fence_manager *vmw_fence_manager_init(struct vmw_private *dev_priv)
 	fman->event_fence_action_size =
 		ttm_round_pot(sizeof(struct vmw_event_fence_action));
 	mutex_init(&fman->goal_irq_mutex);
-	fman->ctx = fence_context_alloc(1);
+	fman->ctx = dma_fence_context_alloc(1);
 
 	return fman;
 }
@@ -326,8 +326,8 @@ static int vmw_fence_obj_init(struct vmw_fence_manager *fman,
 	unsigned long irq_flags;
 	int ret = 0;
 
-	fence_init(&fence->base, &vmw_fence_ops, &fman->lock,
-		   fman->ctx, seqno);
+	dma_fence_init(&fence->base, &vmw_fence_ops, &fman->lock,
+		       fman->ctx, seqno);
 	INIT_LIST_HEAD(&fence->seq_passed_actions);
 	fence->destroy = destroy;
 
@@ -431,7 +431,7 @@ static bool vmw_fence_goal_check_locked(struct vmw_fence_obj *fence)
 	u32 goal_seqno;
 	u32 *fifo_mem;
 
-	if (fence_is_signaled_locked(&fence->base))
+	if (dma_fence_is_signaled_locked(&fence->base))
 		return false;
 
 	fifo_mem = fman->dev_priv->mmio_virt;
@@ -459,7 +459,7 @@ rerun:
 	list_for_each_entry_safe(fence, next_fence, &fman->fence_list, head) {
 		if (seqno - fence->base.seqno < VMW_FENCE_WRAP) {
 			list_del_init(&fence->head);
-			fence_signal_locked(&fence->base);
+			dma_fence_signal_locked(&fence->base);
 			INIT_LIST_HEAD(&action_list);
 			list_splice_init(&fence->seq_passed_actions,
 					 &action_list);
@@ -500,18 +500,18 @@ bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence)
 {
 	struct vmw_fence_manager *fman = fman_from_fence(fence);
 
-	if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))
+	if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))
 		return 1;
 
 	vmw_fences_update(fman);
 
-	return fence_is_signaled(&fence->base);
+	return dma_fence_is_signaled(&fence->base);
 }
 
 int vmw_fence_obj_wait(struct vmw_fence_obj *fence, bool lazy,
 		       bool interruptible, unsigned long timeout)
 {
-	long ret = fence_wait_timeout(&fence->base, interruptible, timeout);
+	long ret = dma_fence_wait_timeout(&fence->base, interruptible, timeout);
 
 	if (likely(ret > 0))
 		return 0;
@@ -530,7 +530,7 @@ void vmw_fence_obj_flush(struct vmw_fence_obj *fence)
 
 static void vmw_fence_destroy(struct vmw_fence_obj *fence)
 {
-	fence_free(&fence->base);
+	dma_fence_free(&fence->base);
 }
 
 int vmw_fence_create(struct vmw_fence_manager *fman,
@@ -669,7 +669,7 @@ void vmw_fence_fifo_down(struct vmw_fence_manager *fman)
 		struct vmw_fence_obj *fence =
 			list_entry(fman->fence_list.prev, struct vmw_fence_obj,
 				   head);
-		fence_get(&fence->base);
+		dma_fence_get(&fence->base);
 		spin_unlock_irq(&fman->lock);
 
 		ret = vmw_fence_obj_wait(fence, false, false,
@@ -677,7 +677,7 @@ void vmw_fence_fifo_down(struct vmw_fence_manager *fman)
 
 		if (unlikely(ret != 0)) {
 			list_del_init(&fence->head);
-			fence_signal(&fence->base);
+			dma_fence_signal(&fence->base);
 			INIT_LIST_HEAD(&action_list);
 			list_splice_init(&fence->seq_passed_actions,
 					 &action_list);
@@ -685,7 +685,7 @@ void vmw_fence_fifo_down(struct vmw_fence_manager *fman)
 		}
 
 		BUG_ON(!list_empty(&fence->head));
-		fence_put(&fence->base);
+		dma_fence_put(&fence->base);
 		spin_lock_irq(&fman->lock);
 	}
 	spin_unlock_irq(&fman->lock);
@@ -884,7 +884,7 @@ static void vmw_fence_obj_add_action(struct vmw_fence_obj *fence,
 	spin_lock_irqsave(&fman->lock, irq_flags);
 
 	fman->pending_actions[action->type]++;
-	if (fence_is_signaled_locked(&fence->base)) {
+	if (dma_fence_is_signaled_locked(&fence->base)) {
 		struct list_head action_list;
 
 		INIT_LIST_HEAD(&action_list);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
index 83ae301ee141..d9d85aa6ed20 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
@@ -27,7 +27,7 @@
 
 #ifndef _VMWGFX_FENCE_H_
 
-#include <linux/fence.h>
+#include <linux/dma-fence.h>
 
 #define VMW_FENCE_WAIT_TIMEOUT (5*HZ)
 
@@ -52,7 +52,7 @@ struct vmw_fence_action {
 };
 
 struct vmw_fence_obj {
-	struct fence base;
+	struct dma_fence base;
 
 	struct list_head head;
 	struct list_head seq_passed_actions;
@@ -71,14 +71,14 @@ vmw_fence_obj_unreference(struct vmw_fence_obj **fence_p)
 
 	*fence_p = NULL;
 	if (fence)
-		fence_put(&fence->base);
+		dma_fence_put(&fence->base);
 }
 
 static inline struct vmw_fence_obj *
 vmw_fence_obj_reference(struct vmw_fence_obj *fence)
 {
 	if (fence)
-		fence_get(&fence->base);
+		dma_fence_get(&fence->base);
 	return fence;
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 1a85fb2d4dc6..8e86d6d4141b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -1454,7 +1454,7 @@ void vmw_fence_single_bo(struct ttm_buffer_object *bo,
 	if (fence == NULL) {
 		vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL);
 		reservation_object_add_excl_fence(bo->resv, &fence->base);
-		fence_put(&fence->base);
+		dma_fence_put(&fence->base);
 	} else
 		reservation_object_add_excl_fence(bo->resv, &fence->base);
 }