drm/fb-helper: Fixup fill_info cleanup

I forgot the !CONFIG_FBDEV case. Also some kerneldoc needed more
adjusting.

Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reported-by: kbuild test robot <lkp@intel.com>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190327125819.16478-1-daniel.vetter@ffwll.ch

drivers/gpu/drm/drm_fb_helper.c

@@ -2783,9 +2783,8 @@ __drm_fb_helper_initial_config_and_unlock(struct drm_fb_helper *fb_helper,
  *
  * This function will call down into the &drm_fb_helper_funcs.fb_probe callback
  * to let the driver allocate and initialize the fbdev info structure and the
- * drm framebuffer used to back the fbdev. drm_fb_helper_fill_var() and
- * drm_fb_helper_fill_fix() are provided as helpers to setup simple default
- * values for the fbdev info structure.
+ * drm framebuffer used to back the fbdev. drm_fb_helper_fill_info() is provided
+ * as a helper to setup simple default values for the fbdev info structure.
  *
  * HANG DEBUGGING:
  *

include/drm/drm_fb_helper.h

@@ -67,10 +67,8 @@ struct drm_fb_helper_crtc {
  * according to the largest width/height (so it is large enough for all CRTCs
  * to scanout).  But the fbdev width/height is sized to the minimum width/
  * height of all the displays.  This ensures that fbcon fits on the smallest
- * of the attached displays.
- *
- * So what is passed to drm_fb_helper_fill_var() should be fb_width/fb_height,
- * rather than the surface size.
+ * of the attached displays. fb_width/fb_height is used by
+ * drm_fb_helper_fill_info() to fill out the &fb_info.var structure.
  */
 struct drm_fb_helper_surface_size {
 	u32 fb_width;
@@ -416,14 +414,10 @@ static inline void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper)
 {
 }
 
-static inline void drm_fb_helper_fill_var(struct fb_info *info,
-					  struct drm_fb_helper *fb_helper,
-					  uint32_t fb_width, uint32_t fb_height)
-{
-}
-
-static inline void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
-					  uint32_t depth)
+static inline void
+drm_fb_helper_fill_info(struct fb_info *info,
+			struct drm_fb_helper *fb_helper,
+			struct drm_fb_helper_surface_size *sizes)
 {
 }