drm/exynos: remove unused mode_fixup() code

CRTC's mode_fixup() isn't used anymore in exynos, remove it.
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: NInki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_crtc.c

@@ -41,20 +41,6 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
 		exynos_crtc->ops->disable(exynos_crtc);
 }
 
-static bool
-exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
-			    const struct drm_display_mode *mode,
-			    struct drm_display_mode *adjusted_mode)
-{
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
-	if (exynos_crtc->ops->mode_fixup)
-		return exynos_crtc->ops->mode_fixup(exynos_crtc, mode,
-						    adjusted_mode);
-
-	return true;
-}
-
 static void
 exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
 {
@@ -99,7 +85,6 @@ static void exynos_crtc_atomic_flush(struct drm_crtc *crtc,
 static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
 	.enable		= exynos_drm_crtc_enable,
 	.disable	= exynos_drm_crtc_disable,
-	.mode_fixup	= exynos_drm_crtc_mode_fixup,
 	.mode_set_nofb	= exynos_drm_crtc_mode_set_nofb,
 	.atomic_begin	= exynos_crtc_atomic_begin,
 	.atomic_flush	= exynos_crtc_atomic_flush,

drivers/gpu/drm/exynos/exynos_drm_drv.h

@@ -82,7 +82,6 @@ struct exynos_drm_plane {
  *
  * @enable: enable the device
  * @disable: disable the device
- * @mode_fixup: fix mode data before applying it
  * @commit: set current hw specific display mode to hw.
  * @enable_vblank: specific driver callback for enabling vblank interrupt.
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
@@ -103,9 +102,6 @@ struct exynos_drm_crtc;
 struct exynos_drm_crtc_ops {
 	void (*enable)(struct exynos_drm_crtc *crtc);
 	void (*disable)(struct exynos_drm_crtc *crtc);
-	bool (*mode_fixup)(struct exynos_drm_crtc *crtc,
-				const struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode);
 	void (*commit)(struct exynos_drm_crtc *crtc);
 	int (*enable_vblank)(struct exynos_drm_crtc *crtc);
 	void (*disable_vblank)(struct exynos_drm_crtc *crtc);