drm/mediatek: add mutex mod register offset into ddp private data

mutex mod register offset will be private data of ddp.
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>

drivers/gpu/drm/mediatek/mtk_drm_ddp.c

@@ -33,12 +33,14 @@
 #define DISP_REG_CONFIG_DSI_SEL			0x050
 #define DISP_REG_CONFIG_DPI_SEL			0x064
 
-#define DISP_REG_MUTEX_EN(n)	(0x20 + 0x20 * (n))
-#define DISP_REG_MUTEX(n)	(0x24 + 0x20 * (n))
-#define DISP_REG_MUTEX_RST(n)	(0x28 + 0x20 * (n))
-#define DISP_REG_MUTEX_MOD(n)	(0x2c + 0x20 * (n))
-#define DISP_REG_MUTEX_SOF(n)	(0x30 + 0x20 * (n))
-#define DISP_REG_MUTEX_MOD2(n)	(0x34 + 0x20 * (n))
+#define MT2701_DISP_MUTEX0_MOD0			0x2c
+
+#define DISP_REG_MUTEX_EN(n)			(0x20 + 0x20 * (n))
+#define DISP_REG_MUTEX(n)			(0x24 + 0x20 * (n))
+#define DISP_REG_MUTEX_RST(n)			(0x28 + 0x20 * (n))
+#define DISP_REG_MUTEX_MOD(mutex_mod_reg, n)	(mutex_mod_reg + 0x20 * (n))
+#define DISP_REG_MUTEX_SOF(n)			(0x30 + 0x20 * (n))
+#define DISP_REG_MUTEX_MOD2(n)			(0x34 + 0x20 * (n))
 
 #define INT_MUTEX				BIT(1)
 
@@ -141,6 +143,7 @@ struct mtk_disp_mutex {
 
 struct mtk_ddp_data {
 	const unsigned int *mutex_mod;
+	const unsigned int mutex_mod_reg;
 };
 
 struct mtk_ddp {
@@ -200,14 +203,17 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
 
 static const struct mtk_ddp_data mt2701_ddp_driver_data = {
 	.mutex_mod = mt2701_mutex_mod,
+	.mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0,
 };
 
 static const struct mtk_ddp_data mt2712_ddp_driver_data = {
 	.mutex_mod = mt2712_mutex_mod,
+	.mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0,
 };
 
 static const struct mtk_ddp_data mt8173_ddp_driver_data = {
 	.mutex_mod = mt8173_mutex_mod,
+	.mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0,
 };
 
 static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
@@ -473,7 +479,8 @@ void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex,
 		break;
 	default:
 		if (ddp->data->mutex_mod[id] < 32) {
-			offset = DISP_REG_MUTEX_MOD(mutex->id);
+			offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg,
+						    mutex->id);
 			reg = readl_relaxed(ddp->regs + offset);
 			reg |= 1 << ddp->data->mutex_mod[id];
 			writel_relaxed(reg, ddp->regs + offset);
@@ -511,7 +518,8 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex,
 		break;
 	default:
 		if (ddp->data->mutex_mod[id] < 32) {
-			offset = DISP_REG_MUTEX_MOD(mutex->id);
+			offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg,
+						    mutex->id);
 			reg = readl_relaxed(ddp->regs + offset);
 			reg &= ~(1 << ddp->data->mutex_mod[id]);
 			writel_relaxed(reg, ddp->regs + offset);