drm: Move dma functions into drm_legacy.h

Also drop the unneeded EXPORT_SYMBOL and sprinkle drm_legacy_ prefixes
where missing.

v2: Drop the confusing _core_ and drop extern, both suggested by
David.

Cc: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

4 files changed, 14 insertions, 8 deletions

diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 9e04d6a43fa4..70ba89f66199 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -1338,7 +1338,7 @@ int drm_legacy_freebufs(struct drm_device *dev, void *data,
                                   task_pid_nr(current));
                         return -EINVAL;
                 }
-                drm_free_buffer(dev, buf);
+                drm_legacy_free_buffer(dev, buf);
         }
 
         return 0;
diff --git a/drivers/gpu/drm/drm_dma.c b/drivers/gpu/drm/drm_dma.c
index 8a140a953754..1b1dd356a1e4 100644
--- a/drivers/gpu/drm/drm_dma.c
+++ b/drivers/gpu/drm/drm_dma.c
@@ -124,7 +124,7 @@ void drm_legacy_dma_takedown(struct drm_device *dev)
  *
  * Resets the fields of \p buf.
  */
-void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf)
+void drm_legacy_free_buffer(struct drm_device *dev, struct drm_buf * buf)
 {
         if (!buf)
                 return;
@@ -142,8 +142,8 @@ void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf)
  *
  * Frees each buffer associated with \p file_priv not already on the hardware.
  */
-void drm_core_reclaim_buffers(struct drm_device *dev,
-                              struct drm_file *file_priv)
+void drm_legacy_reclaim_buffers(struct drm_device *dev,
+                                struct drm_file *file_priv)
 {
         struct drm_device_dma *dma = dev->dma;
         int i;
@@ -154,7 +154,7 @@ void drm_core_reclaim_buffers(struct drm_device *dev,
                 if (dma->buflist[i]->file_priv == file_priv) {
                         switch (dma->buflist[i]->list) {
                         case DRM_LIST_NONE:
-                                drm_free_buffer(dev, dma->buflist[i]);
+                                drm_legacy_free_buffer(dev, dma->buflist[i]);
                                 break;
                         case DRM_LIST_WAIT:
                                 dma->buflist[i]->list = DRM_LIST_RECLAIM;
@@ -166,5 +166,3 @@ void drm_core_reclaim_buffers(struct drm_device *dev,
                 }
         }
 }
-
-EXPORT_SYMBOL(drm_core_reclaim_buffers);
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index b419990042b0..3bb6234d072a 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -404,7 +404,7 @@ int drm_release(struct inode *inode, struct file *filp)
                 drm_master_release(dev, filp);
 
         if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
-                drm_core_reclaim_buffers(dev, file_priv);
+                drm_legacy_reclaim_buffers(dev, file_priv);
 
         drm_events_release(file_priv);
 
diff --git a/drivers/gpu/drm/drm_legacy.h b/drivers/gpu/drm/drm_legacy.h
index 3049af5a01b3..0e0df225dec6 100644
--- a/drivers/gpu/drm/drm_legacy.h
+++ b/drivers/gpu/drm/drm_legacy.h
@@ -92,4 +92,12 @@ int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
 int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
 int drm_legacy_lock_free(struct drm_lock_data *lock, unsigned int ctx);
 
+/* DMA support */
+int drm_legacy_dma_setup(struct drm_device *dev);
+void drm_legacy_dma_takedown(struct drm_device *dev);
+void drm_legacy_free_buffer(struct drm_device *dev,
+                            struct drm_buf * buf);
+void drm_legacy_reclaim_buffers(struct drm_device *dev,
+                                struct drm_file *filp);
+
 #endif /* __DRM_LEGACY_H__ */