[PATCH] drm/stm: ltdc: Remove unused function plane_to_ltdc

[Jiapeng Chong]

The function are defined in the ltdc.c file, but not called
anywhere, so delete the unused function.

drivers/gpu/drm/stm/ltdc.c:494:35: warning: unused function 'encoder_to_ltdc'.

Reported-by: Abaci Robot <abaci at linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9403
Signed-off-by: Jiapeng Chong <jiapeng.chong at linux.alibaba.com>
---
 drivers/gpu/drm/stm/ltdc.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 5576fdae4962..3f280155e25c 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -491,11 +491,6 @@ static inline struct ltdc_device *plane_to_ltdc(struct drm_plane *plane)
 	return (struct ltdc_device *)plane->dev->dev_private;
 }
 
-static inline struct ltdc_device *encoder_to_ltdc(struct drm_encoder *enc)
-{
-	return (struct ltdc_device *)enc->dev->dev_private;
-}
-
 static inline enum ltdc_pix_fmt to_ltdc_pixelformat(u32 drm_fmt)
 {
 	enum ltdc_pix_fmt pf;
-- 
2.20.1.7.g153144c