[RFC PATCH 4/8] drm/virtio: rename sync_seq and last_seq

[Gurchetan Singh]

To be clearer about our intentions to differentiate per-context
sequence numbers and fence IDs, let's rename these variables.

Signed-off-by: Gurchetan Singh <gurchetansingh at chromium.org>
---
 drivers/gpu/drm/virtio/virtgpu_debugfs.c | 4 ++--
 drivers/gpu/drm/virtio/virtgpu_drv.h     | 4 ++--
 drivers/gpu/drm/virtio/virtgpu_fence.c   | 9 +++++----
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_debugfs.c b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
index e27120d512b0..807fe7e9e4d9 100644
--- a/drivers/gpu/drm/virtio/virtgpu_debugfs.c
+++ b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
@@ -60,8 +60,8 @@ virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
 	struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
 
 	seq_printf(m, "fence %llu %lld\n",
-		   (u64)atomic64_read(&vgdev->fence_drv.last_seq),
-		   vgdev->fence_drv.sync_seq);
+		   (u64)atomic64_read(&vgdev->fence_drv.last_fence_id),
+		   vgdev->fence_drv.current_fence_id);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index 76223e2aa68d..7d96d0fdcbac 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -98,8 +98,8 @@ typedef void (*virtio_gpu_resp_cb)(struct virtio_gpu_device *vgdev,
 				   struct virtio_gpu_vbuffer *vbuf);
 
 struct virtio_gpu_fence_driver {
-	atomic64_t       last_seq;
-	uint64_t         sync_seq;
+	atomic64_t       last_fence_id;
+	uint64_t         current_fence_id;
 	uint64_t         context;
 	struct list_head fences;
 	spinlock_t       lock;
diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c b/drivers/gpu/drm/virtio/virtgpu_fence.c
index f0a7ef80e484..0c32f3f72737 100644
--- a/drivers/gpu/drm/virtio/virtgpu_fence.c
+++ b/drivers/gpu/drm/virtio/virtgpu_fence.c
@@ -48,7 +48,7 @@ static bool virtio_fence_signaled(struct dma_fence *f)
 		/* leaked fence outside driver before completing
 		 * initialization with virtio_gpu_fence_emit */
 		return false;
-	if (atomic64_read(&fence->drv->last_seq) >= fence->f.seqno)
+	if (atomic64_read(&fence->drv->last_fence_id) >= fence->f.seqno)
 		return true;
 	return false;
 }
@@ -62,7 +62,8 @@ static void virtio_timeline_value_str(struct dma_fence *f, char *str, int size)
 {
 	struct virtio_gpu_fence *fence = to_virtio_fence(f);
 
-	snprintf(str, size, "%llu", (u64)atomic64_read(&fence->drv->last_seq));
+	snprintf(str, size, "%llu",
+		(u64)atomic64_read(&fence->drv->last_fence_id));
 }
 
 static const struct dma_fence_ops virtio_fence_ops = {
@@ -101,7 +102,7 @@ void virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev,
 	unsigned long irq_flags;
 
 	spin_lock_irqsave(&drv->lock, irq_flags);
-	fence->f.seqno = ++drv->sync_seq;
+	fence->f.seqno = ++drv->current_fence_id;
 	dma_fence_get(&fence->f);
 	list_add_tail(&fence->node, &drv->fences);
 	spin_unlock_irqrestore(&drv->lock, irq_flags);
@@ -120,7 +121,7 @@ void virtio_gpu_fence_event_process(struct virtio_gpu_device *vgdev,
 	unsigned long irq_flags;
 
 	spin_lock_irqsave(&drv->lock, irq_flags);
-	atomic64_set(&vgdev->fence_drv.last_seq, fence_id);
+	atomic64_set(&vgdev->fence_drv.last_fence_id, fence_id);
 	list_for_each_entry_safe(fence, tmp, &drv->fences, node) {
 		if (fence_id < fence->f.seqno)
 			continue;
-- 
2.25.1.481.gfbce0eb801-goog