diff --git a/arch/arm/mach-exynos/include/mach/power.h b/arch/arm/mach-exynos/include/mach/power.h
index 3f97b31aeada2dcf20554894d338e7be47d77c4a..88f70d97a98ae742de9a0bf98f70d7d39aabc412 100644
--- a/arch/arm/mach-exynos/include/mach/power.h
+++ b/arch/arm/mach-exynos/include/mach/power.h
@@ -1717,7 +1717,7 @@ void set_usbdrd_phy_ctrl(unsigned int enable);
 #define POWER_USB_DRD_PHY_CTRL_EN		(1 << 0)
 #define POWER_USB_DRD_PHY_CTRL_DISABLE		(0 << 0)
 
-void set_dp_phy_ctrl(unsigned int enable);
+void exynos_dp_phy_ctrl(unsigned int enable);
 
 #define EXYNOS_DP_PHY_ENABLE		(1 << 0)
 
diff --git a/arch/arm/mach-exynos/power.c b/arch/arm/mach-exynos/power.c
index cd2d6618ac89b74a15aec2748aa6c6fe40f1af9a..c923460275ec70cc93d80c1ebcab97a9365fe848 100644
--- a/arch/arm/mach-exynos/power.c
+++ b/arch/arm/mach-exynos/power.c
@@ -147,7 +147,7 @@ static void exynos5_dp_phy_control(unsigned int enable)
 	writel(cfg, &power->dptx_phy_control);
 }
 
-void set_dp_phy_ctrl(unsigned int enable)
+void exynos_dp_phy_ctrl(unsigned int enable)
 {
 	if (cpu_is_exynos5())
 		exynos5_dp_phy_control(enable);
diff --git a/board/samsung/common/exynos5-dt.c b/board/samsung/common/exynos5-dt.c
index 4d9e151756b3be9555c81e539bf76f0baee2fbe7..0dcea715613945587867409ac21505c2c26584f9 100644
--- a/board/samsung/common/exynos5-dt.c
+++ b/board/samsung/common/exynos5-dt.c
@@ -235,11 +235,6 @@ void exynos_cfg_lcd_gpio(void)
 	gpio_set_value(EXYNOS5_GPIO_B20, 1);
 }
 
-void exynos_set_dp_phy(unsigned int onoff)
-{
-	set_dp_phy_ctrl(onoff);
-}
-
 static int board_dp_set_backlight(int percent)
 {
 	struct udevice *dev;
diff --git a/drivers/video/exynos/exynos_dp.c b/drivers/video/exynos/exynos_dp.c
index 9945c4bcf98e7b93845766241f31641b842d7c76..88926b9b9dde1800b286d72f69b02b2dde5c8aa0 100644
--- a/drivers/video/exynos/exynos_dp.c
+++ b/drivers/video/exynos/exynos_dp.c
@@ -15,6 +15,7 @@
 #include <asm/arch/cpu.h>
 #include <asm/arch/dp_info.h>
 #include <asm/arch/dp.h>
+#include <asm/arch/power.h>
 #include <fdtdec.h>
 #include <libfdt.h>
 
@@ -22,12 +23,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-void __exynos_set_dp_phy(unsigned int onoff)
-{
-}
-void exynos_set_dp_phy(unsigned int onoff)
-	__attribute__((weak, alias("__exynos_set_dp_phy")));
-
 static void exynos_dp_disp_info(struct edp_disp_info *disp_info)
 {
 	disp_info->h_total = disp_info->h_res + disp_info->h_sync_width +
@@ -959,7 +954,7 @@ unsigned int exynos_init_dp(void)
 
 	exynos_dp_disp_info(&edp_info->disp_info);
 
-	exynos_set_dp_phy(1);
+	exynos_dp_phy_ctrl(1);
 
 	ret = exynos_dp_init_dp(dp_regs);
 	if (ret != EXYNOS_DP_SUCCESS) {