drm: Move sg functions into drm_legacy.h

Also sprinkle the drm_legacy_ prefix where missing.

v2: Drop extern from function declarations and include "drm_legacy.h"
in drm_scatter.c, spotted by David.

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

4 files changed, 14 insertions, 13 deletions

diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 187dfaaeb491..4c0822973db4 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -107,8 +107,8 @@ static const struct drm_ioctl_desc drm_ioctls[] = {
         DRM_IOCTL_DEF(DRM_IOCTL_AGP_UNBIND, drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 #endif
 
-        DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-        DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+        DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_legacy_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+        DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_legacy_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 
         DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, DRM_UNLOCKED),
 
diff --git a/drivers/gpu/drm/drm_legacy.h b/drivers/gpu/drm/drm_legacy.h
index 0e0df225dec6..3cc0efa7304a 100644
--- a/drivers/gpu/drm/drm_legacy.h
+++ b/drivers/gpu/drm/drm_legacy.h
@@ -100,4 +100,11 @@ void drm_legacy_free_buffer(struct drm_device *dev,
 void drm_legacy_reclaim_buffers(struct drm_device *dev,
                                 struct drm_file *filp);
 
+/* Scatter Gather Support */
+void drm_legacy_sg_cleanup(struct drm_device *dev);
+int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
+                        struct drm_file *file_priv);
+int drm_legacy_sg_free(struct drm_device *dev, void *data,
+                       struct drm_file *file_priv);
+
 #endif /* __DRM_LEGACY_H__ */
diff --git a/drivers/gpu/drm/drm_scatter.c b/drivers/gpu/drm/drm_scatter.c
index 1c78406f6e71..4f0f3b36d537 100644
--- a/drivers/gpu/drm/drm_scatter.c
+++ b/drivers/gpu/drm/drm_scatter.c
@@ -34,6 +34,7 @@
 #include <linux/vmalloc.h>
 #include <linux/slab.h>
 #include <drm/drmP.h>
+#include "drm_legacy.h"
 
 #define DEBUG_SCATTER 0
 
@@ -78,8 +79,8 @@ void drm_legacy_sg_cleanup(struct drm_device *dev)
 # define ScatterHandle(x) (unsigned int)(x)
 #endif
 
-int drm_sg_alloc(struct drm_device *dev, void *data,
-                 struct drm_file *file_priv)
+int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
+                        struct drm_file *file_priv)
 {
         struct drm_scatter_gather *request = data;
         struct drm_sg_mem *entry;
@@ -194,8 +195,8 @@ int drm_sg_alloc(struct drm_device *dev, void *data,
         return -ENOMEM;
 }
 
-int drm_sg_free(struct drm_device *dev, void *data,
-                struct drm_file *file_priv)
+int drm_legacy_sg_free(struct drm_device *dev, void *data,
+                       struct drm_file *file_priv)
 {
         struct drm_scatter_gather *request = data;
         struct drm_sg_mem *entry;
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index caf29af2dd54..cd35bc902925 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1300,13 +1300,6 @@ void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpr
 
 extern int drm_vma_info(struct seq_file *m, void *data);
 
-                                /* Scatter Gather Support (drm_scatter.h) */
-extern void drm_legacy_sg_cleanup(struct drm_device *dev);
-extern int drm_sg_alloc(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-extern int drm_sg_free(struct drm_device *dev, void *data,
-                       struct drm_file *file_priv);
-
 
 extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
                                        size_t align);