From: Andy Yan <andy.yan@rock-chips.com>

Now these two function share the same logic, the can
be merged as one.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
---

(no changes since v1)

 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 42 +++++---------------
 1 file changed, 11 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index a0d961cb5d21..844df4001159 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c

@@ -2424,18 +2424,18 @@ static int vop2_find_rgb_encoder(struct vop2 *vop2)
 	return -ENOENT;
 }
 
-static int vop2_cluster_init(struct vop2_win *win)
+static int vop2_regmap_init(struct vop2_win *win, const struct reg_field *regs,
+			    int nr_regs)
 {
 	struct vop2 *vop2 = win->vop2;
 	int i;
 
-	for (i = 0; i < vop2->data->nr_cluster_regs; i++) {
+	for (i = 0; i < nr_regs; i++) {
 		const struct reg_field field = {
-			.reg = (vop2->data->cluster_reg[i].reg != 0xffffffff) ?
-				vop2->data->cluster_reg[i].reg + win->offset :
-				vop2->data->cluster_reg[i].reg,
-			.lsb = vop2->data->cluster_reg[i].lsb,
-			.msb = vop2->data->cluster_reg[i].msb
+			.reg = (regs[i].reg != 0xffffffff) ?
+				regs[i].reg + win->offset : regs[i].reg,
+			.lsb = regs[i].lsb,
+			.msb = regs[i].msb
 		};
 
 		win->reg[i] = devm_regmap_field_alloc(vop2->dev, vop2->map, field);

@@ -2446,28 +2446,6 @@ static int vop2_cluster_init(struct vop2_win *win)
 	return 0;
 };
 
-static int vop2_esmart_init(struct vop2_win *win)
-{
-	struct vop2 *vop2 = win->vop2;
-	int i;
-
-	for (i = 0; i < vop2->data->nr_smart_regs; i++) {
-		const struct reg_field field = {
-			.reg = (vop2->data->smart_reg[i].reg != 0xffffffff) ?
-				vop2->data->smart_reg[i].reg + win->offset :
-				vop2->data->smart_reg[i].reg,
-			.lsb = vop2->data->smart_reg[i].lsb,
-			.msb = vop2->data->smart_reg[i].msb
-		};
-
-		win->reg[i] = devm_regmap_field_alloc(vop2->dev, vop2->map, field);
-		if (IS_ERR(win->reg[i]))
-			return PTR_ERR(win->reg[i]);
-	}
-
-	return 0;
-}
-
 static int vop2_win_init(struct vop2 *vop2)
 {
 	const struct vop2_data *vop2_data = vop2->data;

@@ -2484,9 +2462,11 @@ static int vop2_win_init(struct vop2 *vop2)
 		win->win_id = i;
 		win->vop2 = vop2;
 		if (vop2_cluster_window(win))
-			ret = vop2_cluster_init(win);
+			ret = vop2_regmap_init(win, vop2->data->cluster_reg,
+					       vop2->data->nr_cluster_regs);
 		else
-			ret = vop2_esmart_init(win);
+			ret = vop2_regmap_init(win, vop2->data->smart_reg,
+					       vop2->data->nr_cluster_regs);