drm: Remove stale prototypes

A few prototypes have been left in the headers, their function friends
long gone.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

include/drm/drmP.h

@@ -1371,7 +1371,6 @@ extern int drm_irq_uninstall(struct drm_device *dev);
 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
 extern int drm_wait_vblank(struct drm_device *dev, void *data,
 			   struct drm_file *filp);
-extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
 extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
 				     struct timeval *vblanktime);
@@ -1491,10 +1490,6 @@ void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
 int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
 void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
 
-int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
-int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
-			 struct drm_gem_object **obj);
-
 #if DRM_DEBUG_CODE
 extern int drm_vma_info(struct seq_file *m, void *data);
 #endif

include/drm/drm_crtc.h

@@ -948,9 +948,6 @@ extern int drm_object_property_set_value(struct drm_mode_object *obj,
 extern int drm_object_property_get_value(struct drm_mode_object *obj,
 					 struct drm_property *property,
 					 uint64_t *value);
-extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
-extern void drm_framebuffer_set_object(struct drm_device *dev,
-				       unsigned long handle);
 extern int drm_framebuffer_init(struct drm_device *dev,
 				struct drm_framebuffer *fb,
 				const struct drm_framebuffer_funcs *funcs);
@@ -961,10 +958,6 @@ extern void drm_framebuffer_reference(struct drm_framebuffer *fb);
 extern void drm_framebuffer_remove(struct drm_framebuffer *fb);
 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
 extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb);
-extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
-extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
-extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
-extern bool drm_crtc_in_use(struct drm_crtc *crtc);
 
 extern void drm_object_attach_property(struct drm_mode_object *obj,
 				       struct drm_property *property,
@@ -1039,10 +1032,6 @@ extern int drm_mode_getblob_ioctl(struct drm_device *dev,
 				  void *data, struct drm_file *file_priv);
 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
 					      void *data, struct drm_file *file_priv);
-extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
-				  void *data, struct drm_file *file_priv);
-extern int drm_mode_replacefb(struct drm_device *dev,
-			      void *data, struct drm_file *file_priv);
 extern int drm_mode_getencoder(struct drm_device *dev,
 			       void *data, struct drm_file *file_priv);
 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,