On Wed, Jul 23, 2014 at 05:26:36PM +0200, David Herrmann wrote:
> This object is not used except for static fields in drm_bufs *cough*.
> Inline the watermark fields and drop the unused structure definition.
>
> Signed-off-by: David Herrmann <dh.herrmann@xxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/drm_bufs.c | 17 ++++++++---------
> drivers/gpu/drm/drm_info.c | 2 +-
> include/drm/drmP.h | 15 ++-------------
> 3 files changed, 11 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
> index 68175b5..61acb8f 100644
> --- a/drivers/gpu/drm/drm_bufs.c
> +++ b/drivers/gpu/drm/drm_bufs.c
> @@ -1217,7 +1217,6 @@ int drm_infobufs(struct drm_device *dev, void *data,
> struct drm_buf_desc __user *to =
> &request->list[count];
> struct drm_buf_entry *from = &dma->bufs[i];
> - struct drm_freelist *list = &dma->bufs[i].freelist;
> if (copy_to_user(&to->count,
> &from->buf_count,
> sizeof(from->buf_count)) ||
> @@ -1225,19 +1224,19 @@ int drm_infobufs(struct drm_device *dev, void *data,
> &from->buf_size,
> sizeof(from->buf_size)) ||
> copy_to_user(&to->low_mark,
> - &list->low_mark,
> - sizeof(list->low_mark)) ||
> + &from->low_mark,
> + sizeof(from->low_mark)) ||
> copy_to_user(&to->high_mark,
> - &list->high_mark,
> - sizeof(list->high_mark)))
> + &from->high_mark,
> + sizeof(from->high_mark)))
> return -EFAULT;
>
> DRM_DEBUG("%d %d %d %d %d\n",
> i,
> dma->bufs[i].buf_count,
> dma->bufs[i].buf_size,
> - dma->bufs[i].freelist.low_mark,
> - dma->bufs[i].freelist.high_mark);
> + dma->bufs[i].low_mark,
> + dma->bufs[i].high_mark);
> ++count;
> }
> }
> @@ -1290,8 +1289,8 @@ int drm_markbufs(struct drm_device *dev, void *data,
> if (request->high_mark < 0 || request->high_mark > entry->buf_count)
> return -EINVAL;
>
> - entry->freelist.low_mark = request->low_mark;
> - entry->freelist.high_mark = request->high_mark;
> + entry->low_mark = request->low_mark;
> + entry->high_mark = request->high_mark;
>
> return 0;
> }
> diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
> index 86feedd..ecaf0fa 100644
> --- a/drivers/gpu/drm/drm_info.c
> +++ b/drivers/gpu/drm/drm_info.c
> @@ -132,7 +132,7 @@ int drm_bufs_info(struct seq_file *m, void *data)
> i,
> dma->bufs[i].buf_size,
> dma->bufs[i].buf_count,
> - atomic_read(&dma->bufs[i].freelist.count),
> + 0,
> dma->bufs[i].seg_count,
> seg_pages,
> seg_pages * PAGE_SIZE / 1024);
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index 9b6a445..335b7b8 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -346,18 +346,6 @@ struct drm_waitlist {
> spinlock_t write_lock;
> };
>
> -struct drm_freelist {
> - int initialized; /**< Freelist in use */
> - atomic_t count; /**< Number of free buffers */
> - struct drm_buf *next; /**< End pointer */
> -
> - wait_queue_head_t waiting; /**< Processes waiting on free bufs */
> - int low_mark; /**< Low water mark */
> - int high_mark; /**< High water mark */
> - atomic_t wfh; /**< If waiting for high mark */
> - spinlock_t lock;
> -};
> -
> typedef struct drm_dma_handle {
> dma_addr_t busaddr;
> void *vaddr;
> @@ -375,7 +363,8 @@ struct drm_buf_entry {
> int page_order;
> struct drm_dma_handle **seglist;
>
> - struct drm_freelist freelist;
> + int low_mark; /**< Low water mark */
> + int high_mark; /**< High water mark */
> };
>
> /* Event queued up for userspace to read */
> --
> 2.0.2
>
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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