diff --git a/arch/arm/include/asm/arch-exynos/mipi_dsim.h b/arch/arm/include/asm/arch-exynos/mipi_dsim.h
index 8916d9d16bc005e590eca90a62f9074030f062a7..498a9ffc049aaa2b04c71c5243bff82e21b32664 100644
--- a/arch/arm/include/asm/arch-exynos/mipi_dsim.h
+++ b/arch/arm/include/asm/arch-exynos/mipi_dsim.h
@@ -291,7 +291,7 @@ struct exynos_platform_mipi_dsim {
  */
 struct mipi_dsim_master_ops {
 	int (*cmd_write)(struct mipi_dsim_device *dsim, unsigned int data_id,
-		unsigned int data0, unsigned int data1);
+		const unsigned char *data0, unsigned int data1);
 	int (*cmd_read)(struct mipi_dsim_device *dsim, unsigned int data_id,
 		unsigned int data0, unsigned int data1);
 	int (*get_dsim_frame_done)(struct mipi_dsim_device *dsim);
diff --git a/drivers/video/exynos_mipi_dsi_common.c b/drivers/video/exynos_mipi_dsi_common.c
index 2cc847f6e12869e3e270e3f3765e07baaafb56ac..97e12484fd126d473f0774dbf9b8ff31c81af839 100644
--- a/drivers/video/exynos_mipi_dsi_common.c
+++ b/drivers/video/exynos_mipi_dsi_common.c
@@ -50,7 +50,7 @@ static unsigned int dpll_table[15] = {
 };
 
 static void exynos_mipi_dsi_long_data_wr(struct mipi_dsim_device *dsim,
-		unsigned int data0, unsigned int data1)
+		const unsigned char *data0, unsigned int data1)
 {
 	unsigned int data_cnt = 0, payload = 0;
 
@@ -62,42 +62,40 @@ static void exynos_mipi_dsi_long_data_wr(struct mipi_dsim_device *dsim,
 		 */
 		if ((data1 - data_cnt) < 4) {
 			if ((data1 - data_cnt) == 3) {
-				payload = *(u8 *)(data0 + data_cnt) |
-					(*(u8 *)(data0 + (data_cnt + 1))) << 8 |
-					(*(u8 *)(data0 + (data_cnt + 2))) << 16;
+				payload = data0[data_cnt] |
+					data0[data_cnt + 1] << 8 |
+					data0[data_cnt + 2] << 16;
 			debug("count = 3 payload = %x, %x %x %x\n",
-				payload, *(u8 *)(data0 + data_cnt),
-				*(u8 *)(data0 + (data_cnt + 1)),
-				*(u8 *)(data0 + (data_cnt + 2)));
+				payload, data0[data_cnt],
+				data0[data_cnt + 1],
+				data0[data_cnt + 2]);
 			} else if ((data1 - data_cnt) == 2) {
-				payload = *(u8 *)(data0 + data_cnt) |
-					(*(u8 *)(data0 + (data_cnt + 1))) << 8;
+				payload = data0[data_cnt] |
+					data0[data_cnt + 1] << 8;
 			debug("count = 2 payload = %x, %x %x\n", payload,
-				*(u8 *)(data0 + data_cnt),
-				*(u8 *)(data0 + (data_cnt + 1)));
+				data0[data_cnt], data0[data_cnt + 1]);
 			} else if ((data1 - data_cnt) == 1) {
-				payload = *(u8 *)(data0 + data_cnt);
+				payload = data0[data_cnt];
 			}
 		} else {
 			/* send 4bytes per one time. */
-			payload = *(u8 *)(data0 + data_cnt) |
-				(*(u8 *)(data0 + (data_cnt + 1))) << 8 |
-				(*(u8 *)(data0 + (data_cnt + 2))) << 16 |
-				(*(u8 *)(data0 + (data_cnt + 3))) << 24;
+			payload = data0[data_cnt] |
+				data0[data_cnt + 1] << 8 |
+				data0[data_cnt + 2] << 16 |
+				data0[data_cnt + 3] << 24;
 
 			debug("count = 4 payload = %x, %x %x %x %x\n",
 				payload, *(u8 *)(data0 + data_cnt),
-				*(u8 *)(data0 + (data_cnt + 1)),
-				*(u8 *)(data0 + (data_cnt + 2)),
-				*(u8 *)(data0 + (data_cnt + 3)));
-
+				data0[data_cnt + 1],
+				data0[data_cnt + 2],
+				data0[data_cnt + 3]);
 		}
 		exynos_mipi_dsi_wr_tx_data(dsim, payload);
 	}
 }
 
 int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
-	unsigned int data0, unsigned int data1)
+	const unsigned char *data0, unsigned int data1)
 {
 	unsigned int timeout = TRY_GET_FIFO_TIMEOUT;
 	unsigned long delay_val, delay;
@@ -136,8 +134,8 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
 	case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
 	case MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE:
 		debug("data0 = %x data1 = %x\n",
-				data0, data1);
-		exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0, data1);
+				data0[0], data0[1]);
+		exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]);
 		if (check_rx_ack) {
 			/* process response func should be implemented */
 			return 0;
@@ -150,7 +148,7 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
 	case MIPI_DSI_COLOR_MODE_ON:
 	case MIPI_DSI_SHUTDOWN_PERIPHERAL:
 	case MIPI_DSI_TURN_ON_PERIPHERAL:
-		exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0, data1);
+		exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]);
 		if (check_rx_ack) {
 			/* process response func should be implemented. */
 			return 0;
@@ -172,7 +170,7 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
 	case MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM:
 	case MIPI_DSI_DCS_READ:
 		exynos_mipi_dsi_clear_all_interrupt(dsim);
-		exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0, data1);
+		exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]);
 		/* process response func should be implemented. */
 		return 0;
 
@@ -183,21 +181,19 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
 	case MIPI_DSI_GENERIC_LONG_WRITE:
 	case MIPI_DSI_DCS_LONG_WRITE:
 	{
-		unsigned int data_cnt = 0, payload = 0;
+		unsigned int payload = 0;
 
 		/* if data count is less then 4, then send 3bytes data.  */
 		if (data1 < 4) {
-			payload = *(u8 *)(data0) |
-				*(u8 *)(data0 + 1) << 8 |
-				*(u8 *)(data0 + 2) << 16;
+			payload = data0[0] |
+				data0[1] << 8 |
+				data0[2] << 16;
 
 			exynos_mipi_dsi_wr_tx_data(dsim, payload);
 
 			debug("count = %d payload = %x,%x %x %x\n",
-				data1, payload,
-				*(u8 *)(data0 + data_cnt),
-				*(u8 *)(data0 + (data_cnt + 1)),
-				*(u8 *)(data0 + (data_cnt + 2)));
+				data1, payload, data0[0],
+				data0[1], data0[2]);
 		} else {
 			/* in case that data count is more then 4 */
 			exynos_mipi_dsi_long_data_wr(dsim, data0, data1);
diff --git a/drivers/video/exynos_mipi_dsi_common.h b/drivers/video/exynos_mipi_dsi_common.h
index 318c7ecec331b3893169ca2048996cb17cb49495..ef6510abdd8997484015447a2ff6f9d5fc721e78 100644
--- a/drivers/video/exynos_mipi_dsi_common.h
+++ b/drivers/video/exynos_mipi_dsi_common.h
@@ -13,7 +13,7 @@
 #define _EXYNOS_MIPI_DSI_COMMON_H
 
 int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
-	unsigned int data0, unsigned int data1);
+	const unsigned char *data0, unsigned int data1);
 int exynos_mipi_dsi_pll_on(struct mipi_dsim_device *dsim, unsigned int enable);
 unsigned long exynos_mipi_dsi_change_pll(struct mipi_dsim_device *dsim,
 	unsigned int pre_divider, unsigned int main_divider,
diff --git a/drivers/video/exynos_mipi_dsi_lowlevel.c b/drivers/video/exynos_mipi_dsi_lowlevel.c
index b47eee45defc7ededb639df607f00ba92edb7fc9..1313bcea4cfe88a7625ec978c0e77bee2426cff5 100644
--- a/drivers/video/exynos_mipi_dsi_lowlevel.c
+++ b/drivers/video/exynos_mipi_dsi_lowlevel.c
@@ -600,7 +600,7 @@ unsigned int exynos_mipi_dsi_get_fifo_state(struct mipi_dsim_device *dsim)
 }
 
 void exynos_mipi_dsi_wr_tx_header(struct mipi_dsim_device *dsim,
-	unsigned int di, unsigned int data0, unsigned int data1)
+	unsigned int di, const unsigned char data0, const unsigned char data1)
 {
 	struct exynos_mipi_dsim *mipi_dsim =
 		(struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim();
diff --git a/drivers/video/exynos_mipi_dsi_lowlevel.h b/drivers/video/exynos_mipi_dsi_lowlevel.h
index 8a45954e9eee078189b19afeacfb2dfe63f9f031..59f6ce09e40ce51dafebbe74a215ba343c883ae9 100644
--- a/drivers/video/exynos_mipi_dsi_lowlevel.h
+++ b/drivers/video/exynos_mipi_dsi_lowlevel.h
@@ -91,7 +91,7 @@ unsigned int _exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device
 						*dsim);
 void _exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim);
 void exynos_mipi_dsi_wr_tx_header(struct mipi_dsim_device *dsim,
-		unsigned int di, unsigned int data0, unsigned int data1);
+		unsigned int di, const unsigned char data0, const unsigned char data1);
 void exynos_mipi_dsi_wr_tx_data(struct mipi_dsim_device *dsim,
 		unsigned int tx_data);
 
diff --git a/drivers/video/s6e8ax0.c b/drivers/video/s6e8ax0.c
index fc092522b261c39f7062ee1d419e28a782c83bdb..0e97f511fdcfa4de21af43e88ff8e44d30e546e7 100644
--- a/drivers/video/s6e8ax0.c
+++ b/drivers/video/s6e8ax0.c
@@ -34,11 +34,11 @@ static void s6e8ax0_panel_cond(struct mipi_dsim_device *dsim_dev)
 
 	if (reverse) {
 		ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send_reverse,
+			data_to_send_reverse,
 			ARRAY_SIZE(data_to_send_reverse));
 	} else {
 		ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+			data_to_send, ARRAY_SIZE(data_to_send));
 	}
 }
 
@@ -50,8 +50,7 @@ static void s6e8ax0_display_cond(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send,
-			ARRAY_SIZE(data_to_send));
+			data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_gamma_cond(struct mipi_dsim_device *dsim_dev)
@@ -65,15 +64,18 @@ static void s6e8ax0_gamma_cond(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send,
-			ARRAY_SIZE(data_to_send));
+			data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_gamma_update(struct mipi_dsim_device *dsim_dev)
 {
 	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	static const unsigned char data_to_send[] = {
+		0xf7, 0x03
+	};
 
-	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xf7, 0x3);
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, data_to_send,
+			ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_etc_source_control(struct mipi_dsim_device *dsim_dev)
@@ -84,8 +86,7 @@ static void s6e8ax0_etc_source_control(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send,
-			ARRAY_SIZE(data_to_send));
+			data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_etc_pentile_control(struct mipi_dsim_device *dsim_dev)
@@ -97,8 +98,7 @@ static void s6e8ax0_etc_pentile_control(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send,
-			ARRAY_SIZE(data_to_send));
+			data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_etc_mipi_control1(struct mipi_dsim_device *dsim_dev)
@@ -109,8 +109,7 @@ static void s6e8ax0_etc_mipi_control1(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send,
-			ARRAY_SIZE(data_to_send));
+			data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_etc_mipi_control2(struct mipi_dsim_device *dsim_dev)
@@ -121,8 +120,7 @@ static void s6e8ax0_etc_mipi_control2(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send,
-			ARRAY_SIZE(data_to_send));
+			data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_etc_power_control(struct mipi_dsim_device *dsim_dev)
@@ -133,14 +131,18 @@ static void s6e8ax0_etc_power_control(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-		(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+		data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_etc_mipi_control3(struct mipi_dsim_device *dsim_dev)
 {
 	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	static const unsigned char data_to_send[] = {
+		0xe3, 0x40
+	};
 
-	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xe3, 0x40);
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, data_to_send,
+		       ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_etc_mipi_control4(struct mipi_dsim_device *dsim_dev)
@@ -151,7 +153,7 @@ static void s6e8ax0_etc_mipi_control4(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-		(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+		data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_elvss_set(struct mipi_dsim_device *dsim_dev)
@@ -162,24 +164,29 @@ static void s6e8ax0_elvss_set(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-			(unsigned int)data_to_send,
-			ARRAY_SIZE(data_to_send));
+			data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_display_on(struct mipi_dsim_device *dsim_dev)
 {
 	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	static const unsigned char data_to_send[] = {
+		0x29, 0x00
+	};
 
-	ops->cmd_write(dsim_dev,
-		MIPI_DSI_DCS_SHORT_WRITE, 0x29, 0x00);
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE, data_to_send,
+		       ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_sleep_out(struct mipi_dsim_device *dsim_dev)
 {
 	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	static const unsigned char data_to_send[] = {
+		0x11, 0x00
+	};
 
-	ops->cmd_write(dsim_dev,
-		MIPI_DSI_DCS_SHORT_WRITE, 0x11, 0x00);
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE, data_to_send,
+		       ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_apply_level1_key(struct mipi_dsim_device *dsim_dev)
@@ -190,7 +197,7 @@ static void s6e8ax0_apply_level1_key(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-		(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+		data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_apply_mtp_key(struct mipi_dsim_device *dsim_dev)
@@ -201,7 +208,7 @@ static void s6e8ax0_apply_mtp_key(struct mipi_dsim_device *dsim_dev)
 	};
 
 	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
-		(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+		data_to_send, ARRAY_SIZE(data_to_send));
 }
 
 static void s6e8ax0_panel_init(struct mipi_dsim_device *dsim_dev)