diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
index d14e80ece8aa..50d6b412d652 100644
--- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
@@ -294,13 +294,13 @@ void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder,
 	val &= ~(TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT);
 	intel_de_write(dev_priv, BXT_PORT_PCS_DW10_GRP(phy, ch), val);
 
-	val = intel_de_read(dev_priv, BXT_PORT_TX_DW2_LN0(phy, ch));
+	val = intel_de_read(dev_priv, BXT_PORT_TX_DW2_LN(phy, ch, 0));
 	val &= ~(MARGIN_000_MASK | UNIQ_TRANS_SCALE_MASK);
 	val |= MARGIN_000(trans->entries[level].bxt.margin) |
 		UNIQ_TRANS_SCALE(trans->entries[level].bxt.scale);
 	intel_de_write(dev_priv, BXT_PORT_TX_DW2_GRP(phy, ch), val);
 
-	val = intel_de_read(dev_priv, BXT_PORT_TX_DW3_LN0(phy, ch));
+	val = intel_de_read(dev_priv, BXT_PORT_TX_DW3_LN(phy, ch, 0));
 	val &= ~SCALE_DCOMP_METHOD;
 	if (trans->entries[level].bxt.enable)
 		val |= SCALE_DCOMP_METHOD;
@@ -311,7 +311,7 @@ void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder,
 
 	intel_de_write(dev_priv, BXT_PORT_TX_DW3_GRP(phy, ch), val);
 
-	val = intel_de_read(dev_priv, BXT_PORT_TX_DW4_LN0(phy, ch));
+	val = intel_de_read(dev_priv, BXT_PORT_TX_DW4_LN(phy, ch, 0));
 	val &= ~DE_EMPHASIS_MASK;
 	val |= DE_EMPHASIS(trans->entries[level].bxt.deemphasis);
 	intel_de_write(dev_priv, BXT_PORT_TX_DW4_GRP(phy, ch), val);
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 9ff6c4cc2e4b..cc3acdafdbf8 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -2071,7 +2071,7 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *i915,
 		drm_err(&i915->drm, "PLL %d not locked\n", port);
 
 	if (IS_GEMINILAKE(i915)) {
-		temp = intel_de_read(i915, BXT_PORT_TX_DW5_LN0(phy, ch));
+		temp = intel_de_read(i915, BXT_PORT_TX_DW5_LN(phy, ch, 0));
 		temp |= DCC_DELAY_RANGE_2;
 		intel_de_write(i915, BXT_PORT_TX_DW5_GRP(phy, ch), temp);
 	}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 9701aad57e3a..261b520da399 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -555,6 +555,10 @@
 					 (reg_ch1) - _BXT_PHY0_BASE))
 #define _MMIO_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1)		\
 	_MMIO(_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1))
+#define _BXT_LANE_OFFSET(lane)           (((lane) >> 1) * 0x200 + \
+					  ((lane) & 1) * 0x80)
+#define _MMIO_BXT_PHY_CH_LN(phy, ch, lane, reg_ch0, reg_ch1) \
+	_MMIO(_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1) + _BXT_LANE_OFFSET(lane))
 
 #define BXT_P_CR_GT_DISP_PWRON		_MMIO(0x138090)
 #define  MIPIO_RST_CTRL				(1 << 2)
@@ -747,18 +751,15 @@
 							 _PORT_PCS_DW12_GRP_C)
 
 /* BXT PHY TX registers */
-#define _BXT_LANE_OFFSET(lane)           (((lane) >> 1) * 0x200 +	\
-					  ((lane) & 1) * 0x80)
-
 #define _PORT_TX_DW2_LN0_A		0x162508
 #define _PORT_TX_DW2_LN0_B		0x6C508
 #define _PORT_TX_DW2_LN0_C		0x6C908
 #define _PORT_TX_DW2_GRP_A		0x162D08
 #define _PORT_TX_DW2_GRP_B		0x6CD08
 #define _PORT_TX_DW2_GRP_C		0x6CF08
-#define BXT_PORT_TX_DW2_LN0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW2_LN0_B, \
-							 _PORT_TX_DW2_LN0_C)
+#define BXT_PORT_TX_DW2_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW2_LN0_B,	\
+								    _PORT_TX_DW2_LN0_C)
 #define BXT_PORT_TX_DW2_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
 							 _PORT_TX_DW2_GRP_B, \
 							 _PORT_TX_DW2_GRP_C)
@@ -773,9 +774,9 @@
 #define _PORT_TX_DW3_GRP_A		0x162D0C
 #define _PORT_TX_DW3_GRP_B		0x6CD0C
 #define _PORT_TX_DW3_GRP_C		0x6CF0C
-#define BXT_PORT_TX_DW3_LN0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW3_LN0_B, \
-							 _PORT_TX_DW3_LN0_C)
+#define BXT_PORT_TX_DW3_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW3_LN0_B, \
+								    _PORT_TX_DW3_LN0_C)
 #define BXT_PORT_TX_DW3_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
 							 _PORT_TX_DW3_GRP_B, \
 							 _PORT_TX_DW3_GRP_C)
@@ -788,9 +789,9 @@
 #define _PORT_TX_DW4_GRP_A		0x162D10
 #define _PORT_TX_DW4_GRP_B		0x6CD10
 #define _PORT_TX_DW4_GRP_C		0x6CF10
-#define BXT_PORT_TX_DW4_LN0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW4_LN0_B, \
-							 _PORT_TX_DW4_LN0_C)
+#define BXT_PORT_TX_DW4_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW4_LN0_B, \
+								    _PORT_TX_DW4_LN0_C)
 #define BXT_PORT_TX_DW4_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
 							 _PORT_TX_DW4_GRP_B, \
 							 _PORT_TX_DW4_GRP_C)
@@ -803,9 +804,9 @@
 #define _PORT_TX_DW5_GRP_A		0x162D14
 #define _PORT_TX_DW5_GRP_B		0x6CD14
 #define _PORT_TX_DW5_GRP_C		0x6CF14
-#define BXT_PORT_TX_DW5_LN0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW5_LN0_B, \
-							 _PORT_TX_DW5_LN0_C)
+#define BXT_PORT_TX_DW5_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW5_LN0_B, \
+								    _PORT_TX_DW5_LN0_C)
 #define BXT_PORT_TX_DW5_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
 							 _PORT_TX_DW5_GRP_B, \
 							 _PORT_TX_DW5_GRP_C)
@@ -816,10 +817,9 @@
 #define _PORT_TX_DW14_LN0_B		0x6C538
 #define _PORT_TX_DW14_LN0_C		0x6C938
 #define   LATENCY_OPTIM			REG_BIT(30)
-#define BXT_PORT_TX_DW14_LN(phy, ch, lane)				\
-	_MMIO(_BXT_PHY_CH(phy, ch, _PORT_TX_DW14_LN0_B,			\
-				   _PORT_TX_DW14_LN0_C) +		\
-	      _BXT_LANE_OFFSET(lane))
+#define BXT_PORT_TX_DW14_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW14_LN0_B, \
+								    _PORT_TX_DW14_LN0_C)
 
 /* UAIMI scratch pad register 1 */
 #define UAIMI_SPR1			_MMIO(0x4F074)
