drm: remove unused "struct drm_freelist"

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@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

3 files changed, 11 insertions, 23 deletions

diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 68175b54504b..61acb8f6756d 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 86feedd5e6f6..ecaf0fa2eec8 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 9b6a445f8602..335b7b8f5e7d 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 */