diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
index f53d8283f297..a3d561f769cd 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
@@ -95,10 +95,11 @@ void analogix_dp_init_analog_param(struct analogix_dp_device *dp)
 			reg ^= REF_CLK_MASK;
 
 		analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_1, reg);
-		analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_2, 0x95);
+		analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_2, 0x99);
 		analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_3, 0x40);
 		analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_4, 0x58);
 		analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_5, 0x22);
+		analogix_dp_write(dp, ANALOGIX_DP_BIAS, 0x44);
 	}
 
 	reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO;
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
index a3dc6d4fe34b..df88f1ad0883 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
@@ -46,6 +46,7 @@
 #define ANALOGIX_DP_PLL_REG_5			0xa00
 
 #define ANALOIGX_DP_SSC_REG			0x104
+#define ANALOGIX_DP_BIAS			0x124
 #define ANALOGIX_DP_PD				0x12c
 
 #define ANALOGIX_DP_IF_TYPE			0x244