drm/pci: Move drm_pci_alloc/free under CONFIG_DRM_LEGACY

All other users have been removed, yay!
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
[fix checkpatch warning]
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200403110610.2344842-1-daniel.vetter@ffwll.ch

drivers/gpu/drm/drm_pci.c

@@ -36,6 +36,8 @@
 #include "drm_internal.h"
 #include "drm_legacy.h"
 
+#ifdef CONFIG_DRM_LEGACY
+
 /**
  * drm_pci_alloc - Allocate a PCI consistent memory block, for DMA.
  * @dev: DRM device
@@ -93,6 +95,7 @@ void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
 }
 
 EXPORT_SYMBOL(drm_pci_free);
+#endif
 
 static int drm_get_pci_domain(struct drm_device *dev)
 {

include/drm/drm_legacy.h

@@ -194,11 +194,26 @@ void drm_legacy_idlelock_release(struct drm_lock_data *lock);
 
 #ifdef CONFIG_PCI
 
+struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
+				     size_t align);
+void drm_pci_free(struct drm_device *dev, struct drm_dma_handle *dmah);
+
 int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
 void drm_legacy_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
 
 #else
 
+static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev,
+						   size_t size, size_t align)
+{
+	return NULL;
+}
+
+static inline void drm_pci_free(struct drm_device *dev,
+				struct drm_dma_handle *dmah)
+{
+}
+
 static inline int drm_legacy_pci_init(struct drm_driver *driver,
 				      struct pci_driver *pdriver)
 {

include/drm/drm_pci.h

@@ -34,30 +34,4 @@
 
 #include <linux/pci.h>
 
-struct drm_dma_handle;
-struct drm_device;
-struct drm_driver;
-struct drm_master;
-
-#ifdef CONFIG_PCI
-
-struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
-				     size_t align);
-void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
-
-#else
-
-static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev,
-						   size_t size, size_t align)
-{
-	return NULL;
-}
-
-static inline void drm_pci_free(struct drm_device *dev,
-				struct drm_dma_handle *dmah)
-{
-}
-
-#endif
-
 #endif /* _DRM_PCI_H_ */