[RFC PATCH] drm/gma500: gma_crtc_gamma_set() can be static

[kernel test robot]

drivers/gpu/drm/gma500/gma_display.c:175:5: warning: symbol 'gma_crtc_gamma_set' was not declared. Should it be static?
drivers/gpu/drm/gma500/gma_display.c:322:5: warning: symbol 'gma_crtc_cursor_set' was not declared. Should it be static?
drivers/gpu/drm/gma500/gma_display.c:440:5: warning: symbol 'gma_crtc_cursor_move' was not declared. Should it be static?

Reported-by: kernel test robot <lkp at intel.com>
Signed-off-by: kernel test robot <lkp at intel.com>
---
 drivers/gpu/drm/gma500/gma_display.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c
index 832696ccfa9d0..8f6a8502b7756 100644
--- a/drivers/gpu/drm/gma500/gma_display.c
+++ b/drivers/gpu/drm/gma500/gma_display.c
@@ -172,9 +172,9 @@ void gma_crtc_load_lut(struct drm_crtc *crtc)
 	}
 }
 
-int gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue,
-		       u32 size,
-		       struct drm_modeset_acquire_ctx *ctx)
+static int gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue,
+			      u32 size,
+			      struct drm_modeset_acquire_ctx *ctx)
 {
 	gma_crtc_load_lut(crtc);
 
@@ -319,10 +319,10 @@ void gma_crtc_dpms(struct drm_crtc *crtc, int mode)
 	REG_WRITE(DSPARB, 0x3F3E);
 }
 
-int gma_crtc_cursor_set(struct drm_crtc *crtc,
-			struct drm_file *file_priv,
-			uint32_t handle,
-			uint32_t width, uint32_t height)
+static int gma_crtc_cursor_set(struct drm_crtc *crtc,
+			       struct drm_file *file_priv,
+			       uint32_t handle,
+			       uint32_t width, uint32_t height)
 {
 	struct drm_device *dev = crtc->dev;
 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
@@ -437,7 +437,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
 	return ret;
 }
 
-int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
+static int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 {
 	struct drm_device *dev = crtc->dev;
 	struct gma_crtc *gma_crtc = to_gma_crtc(crtc);