drm: drm_irq.h header cleanup

- Drop extern for functions, it's noise.
- Move&consolidate drm.ko internal parts into drm-internal.h.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114090255.31595-6-daniel.vetter@ffwll.ch

drivers/gpu/drm/drm_internal.h

@@ -24,9 +24,6 @@
 #define DRM_IF_MAJOR 1
 #define DRM_IF_MINOR 4
 
-/* drm_irq.c */
-extern unsigned int drm_timestamp_monotonic;
-
 /* drm_fops.c */
 extern struct mutex drm_global_mutex;
 void drm_lastclose(struct drm_device *dev);
@@ -56,6 +53,11 @@ int drm_clients_info(struct seq_file *m, void* data);
 int drm_gem_name_info(struct seq_file *m, void *data);
 
 /* drm_irq.c */
+extern unsigned int drm_timestamp_monotonic;
+
+/* IOCTLS */
+int drm_wait_vblank(struct drm_device *dev, void *data,
+		    struct drm_file *filp);
 int drm_control(struct drm_device *dev, void *data,
 		struct drm_file *file_priv);
 int drm_modeset_ctl(struct drm_device *dev, void *data,

include/drm/drm_irq.h

@@ -130,38 +130,36 @@ struct drm_vblank_crtc {
 	bool enabled;
 };
 
-extern int drm_irq_install(struct drm_device *dev, int irq);
-extern int drm_irq_uninstall(struct drm_device *dev);
+int drm_irq_install(struct drm_device *dev, int irq);
+int drm_irq_uninstall(struct drm_device *dev);
 
-extern int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs);
-extern int drm_wait_vblank(struct drm_device *dev, void *data,
-			   struct drm_file *filp);
-extern u32 drm_crtc_vblank_count(struct drm_crtc *crtc);
-extern u32 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc,
+int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs);
+u32 drm_crtc_vblank_count(struct drm_crtc *crtc);
+u32 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc,
 				   struct timeval *vblanktime);
-extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc,
+void drm_crtc_send_vblank_event(struct drm_crtc *crtc,
 			       struct drm_pending_vblank_event *e);
-extern void drm_crtc_arm_vblank_event(struct drm_crtc *crtc,
+void drm_crtc_arm_vblank_event(struct drm_crtc *crtc,
 			      struct drm_pending_vblank_event *e);
-extern bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe);
-extern bool drm_crtc_handle_vblank(struct drm_crtc *crtc);
-extern int drm_crtc_vblank_get(struct drm_crtc *crtc);
-extern void drm_crtc_vblank_put(struct drm_crtc *crtc);
-extern void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe);
-extern void drm_crtc_wait_one_vblank(struct drm_crtc *crtc);
-extern void drm_crtc_vblank_off(struct drm_crtc *crtc);
-extern void drm_crtc_vblank_reset(struct drm_crtc *crtc);
-extern void drm_crtc_vblank_on(struct drm_crtc *crtc);
-extern void drm_vblank_cleanup(struct drm_device *dev);
-extern u32 drm_accurate_vblank_count(struct drm_crtc *crtc);
-extern u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe);
+bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe);
+bool drm_crtc_handle_vblank(struct drm_crtc *crtc);
+int drm_crtc_vblank_get(struct drm_crtc *crtc);
+void drm_crtc_vblank_put(struct drm_crtc *crtc);
+void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe);
+void drm_crtc_wait_one_vblank(struct drm_crtc *crtc);
+void drm_crtc_vblank_off(struct drm_crtc *crtc);
+void drm_crtc_vblank_reset(struct drm_crtc *crtc);
+void drm_crtc_vblank_on(struct drm_crtc *crtc);
+void drm_vblank_cleanup(struct drm_device *dev);
+u32 drm_accurate_vblank_count(struct drm_crtc *crtc);
+u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe);
 
-extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
+int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
 					  unsigned int pipe, int *max_error,
 					  struct timeval *vblank_time,
 					  unsigned flags,
 					  const struct drm_display_mode *mode);
-extern void drm_calc_timestamping_constants(struct drm_crtc *crtc,
+void drm_calc_timestamping_constants(struct drm_crtc *crtc,
 				     const struct drm_display_mode *mode);
 
 /**