drm/exynos: kill mode_set_nofb callback

All Exynos CRTCs are fully configured by .enable callback. The only users
of mode_set_nofb actually did nothing in their callbacks - they immediately
returned because devices were in suspend state - mode_set_nofb is always
called on disabled device.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos7_drm_decon.c

@@ -581,7 +581,6 @@ static void decon_disable(struct exynos_drm_crtc *crtc)
 static const struct exynos_drm_crtc_ops decon_crtc_ops = {
 	.enable = decon_enable,
 	.disable = decon_disable,
-	.commit = decon_commit,
 	.enable_vblank = decon_enable_vblank,
 	.disable_vblank = decon_disable_vblank,
 	.atomic_begin = decon_atomic_begin,

drivers/gpu/drm/exynos/exynos_drm_crtc.c

@@ -49,15 +49,6 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
 	}
 }
 
-static void
-exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
-{
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
-	if (exynos_crtc->ops->commit)
-		exynos_crtc->ops->commit(exynos_crtc);
-}
-
 static int exynos_crtc_atomic_check(struct drm_crtc *crtc,
 				     struct drm_crtc_state *state)
 {
@@ -93,7 +84,6 @@ static void exynos_crtc_atomic_flush(struct drm_crtc *crtc,
 static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
 	.enable		= exynos_drm_crtc_enable,
 	.disable	= exynos_drm_crtc_disable,
-	.mode_set_nofb	= exynos_drm_crtc_mode_set_nofb,
 	.atomic_check	= exynos_crtc_atomic_check,
 	.atomic_begin	= exynos_crtc_atomic_begin,
 	.atomic_flush	= exynos_crtc_atomic_flush,

drivers/gpu/drm/exynos/exynos_drm_drv.h

@@ -115,7 +115,6 @@ struct exynos_drm_plane_config {
  *
  * @enable: enable the device
  * @disable: disable the device
- * @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.
  * @atomic_check: validate state
@@ -130,7 +129,6 @@ struct exynos_drm_crtc;
 struct exynos_drm_crtc_ops {
 	void (*enable)(struct exynos_drm_crtc *crtc);
 	void (*disable)(struct exynos_drm_crtc *crtc);
-	void (*commit)(struct exynos_drm_crtc *crtc);
 	int (*enable_vblank)(struct exynos_drm_crtc *crtc);
 	void (*disable_vblank)(struct exynos_drm_crtc *crtc);
 	u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc);

drivers/gpu/drm/exynos/exynos_drm_fimd.c

@@ -928,7 +928,6 @@ static void fimd_dp_clock_enable(struct exynos_drm_clk *clk, bool enable)
 static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
 	.enable = fimd_enable,
 	.disable = fimd_disable,
-	.commit = fimd_commit,
 	.enable_vblank = fimd_enable_vblank,
 	.disable_vblank = fimd_disable_vblank,
 	.atomic_begin = fimd_atomic_begin,