diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 77f1374..c3fa29a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -3735,6 +3735,8 @@ u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg);
 void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
 
 /* intel_dpio_phy.c */
+void bxt_port_to_phy_channel(enum port port,
+			     u32 *phy, enum dpio_channel *ch);
 void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv,
 				  enum port port, u32 margin, u32 scale,
 				  u32 enable, u32 deemphasis);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index d3802c6..8f4612c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1187,7 +1187,19 @@ enum skl_disp_power_wells {
 #define   DPIO_UPAR_SHIFT		30
 
 /* BXT PHY registers */
-#define _BXT_PHY(phy, a, b)		_MMIO_PIPE((phy), (a), (b))
+#define _BXT_PHY0_BASE			0x6C000
+#define _BXT_PHY1_BASE			0x162000
+#define BXT_PHY_BASE(phy)		_PIPE((phy), _BXT_PHY0_BASE, \
+						     _BXT_PHY1_BASE)
+
+#define _BXT_PHY(phy, reg)						\
+	_MMIO(BXT_PHY_BASE(phy) - _BXT_PHY0_BASE + (reg))
+
+#define _BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1)		\
+	(BXT_PHY_BASE(phy) + _PIPE((ch), (reg_ch0) - _BXT_PHY0_BASE,	\
+					 (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_P_CR_GT_DISP_PWRON		_MMIO(0x138090)
 #define   GT_DISPLAY_POWER_ON(phy)	(1 << (phy))
@@ -1204,8 +1216,8 @@ enum skl_disp_power_wells {
 #define _PHY_CTL_FAMILY_EDP		0x64C80
 #define _PHY_CTL_FAMILY_DDI		0x64C90
 #define   COMMON_RESET_DIS		(1 << 31)
-#define BXT_PHY_CTL_FAMILY(phy)		_BXT_PHY((phy), _PHY_CTL_FAMILY_DDI, \
-							_PHY_CTL_FAMILY_EDP)
+#define BXT_PHY_CTL_FAMILY(phy)		_MMIO_PIPE((phy), _PHY_CTL_FAMILY_DDI, \
+							  _PHY_CTL_FAMILY_EDP)
 
 /* BXT PHY PLL registers */
 #define _PORT_PLL_A			0x46074
@@ -1225,18 +1237,18 @@ enum skl_disp_power_wells {
 #define   PORT_PLL_P2_SHIFT		8
 #define   PORT_PLL_P2_MASK		(0x1f << PORT_PLL_P2_SHIFT)
 #define   PORT_PLL_P2(x)		((x)  << PORT_PLL_P2_SHIFT)
-#define BXT_PORT_PLL_EBB_0(port)	_MMIO_PORT3(port, _PORT_PLL_EBB_0_A, \
-						_PORT_PLL_EBB_0_B,	\
-						_PORT_PLL_EBB_0_C)
+#define BXT_PORT_PLL_EBB_0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PLL_EBB_0_B, \
+							 _PORT_PLL_EBB_0_C)
 
 #define _PORT_PLL_EBB_4_A		0x162038
 #define _PORT_PLL_EBB_4_B		0x6C038
 #define _PORT_PLL_EBB_4_C		0x6C344
 #define   PORT_PLL_10BIT_CLK_ENABLE	(1 << 13)
 #define   PORT_PLL_RECALIBRATE		(1 << 14)
-#define BXT_PORT_PLL_EBB_4(port)	_MMIO_PORT3(port, _PORT_PLL_EBB_4_A, \
-						_PORT_PLL_EBB_4_B,	\
-						_PORT_PLL_EBB_4_C)
+#define BXT_PORT_PLL_EBB_4(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PLL_EBB_4_B, \
+							 _PORT_PLL_EBB_4_C)
 
 #define _PORT_PLL_0_A			0x162100
 #define _PORT_PLL_0_B			0x6C100
@@ -1267,62 +1279,56 @@ enum skl_disp_power_wells {
 #define  PORT_PLL_DCO_AMP_DEFAULT	15
 #define  PORT_PLL_DCO_AMP_MASK		0x3c00
 #define  PORT_PLL_DCO_AMP(x)		((x)<<10)
-#define _PORT_PLL_BASE(port)		_PORT3(port, _PORT_PLL_0_A,	\
-						_PORT_PLL_0_B,		\
-						_PORT_PLL_0_C)
-#define BXT_PORT_PLL(port, idx)		_MMIO(_PORT_PLL_BASE(port) + (idx) * 4)
+#define _PORT_PLL_BASE(phy, ch)		_BXT_PHY_CH(phy, ch, \
+						    _PORT_PLL_0_B, \
+						    _PORT_PLL_0_C)
+#define BXT_PORT_PLL(phy, ch, idx)	_MMIO(_PORT_PLL_BASE(phy, ch) + \
+					      (idx) * 4)
 
 /* BXT PHY common lane registers */
 #define _PORT_CL1CM_DW0_A		0x162000
 #define _PORT_CL1CM_DW0_BC		0x6C000
 #define   PHY_POWER_GOOD		(1 << 16)
 #define   PHY_RESERVED			(1 << 7)
-#define BXT_PORT_CL1CM_DW0(phy)		_BXT_PHY((phy), _PORT_CL1CM_DW0_BC, \
-							_PORT_CL1CM_DW0_A)
+#define BXT_PORT_CL1CM_DW0(phy)		_BXT_PHY((phy), _PORT_CL1CM_DW0_BC)
 
 #define _PORT_CL1CM_DW9_A		0x162024
 #define _PORT_CL1CM_DW9_BC		0x6C024
 #define   IREF0RC_OFFSET_SHIFT		8
 #define   IREF0RC_OFFSET_MASK		(0xFF << IREF0RC_OFFSET_SHIFT)
-#define BXT_PORT_CL1CM_DW9(phy)		_BXT_PHY((phy), _PORT_CL1CM_DW9_BC, \
-							_PORT_CL1CM_DW9_A)
+#define BXT_PORT_CL1CM_DW9(phy)		_BXT_PHY((phy), _PORT_CL1CM_DW9_BC)
 
 #define _PORT_CL1CM_DW10_A		0x162028
 #define _PORT_CL1CM_DW10_BC		0x6C028
 #define   IREF1RC_OFFSET_SHIFT		8
 #define   IREF1RC_OFFSET_MASK		(0xFF << IREF1RC_OFFSET_SHIFT)
-#define BXT_PORT_CL1CM_DW10(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW10_BC, \
-							_PORT_CL1CM_DW10_A)
+#define BXT_PORT_CL1CM_DW10(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW10_BC)
 
 #define _PORT_CL1CM_DW28_A		0x162070
 #define _PORT_CL1CM_DW28_BC		0x6C070
 #define   OCL1_POWER_DOWN_EN		(1 << 23)
 #define   DW28_OLDO_DYN_PWR_DOWN_EN	(1 << 22)
 #define   SUS_CLK_CONFIG		0x3
-#define BXT_PORT_CL1CM_DW28(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW28_BC, \
-							_PORT_CL1CM_DW28_A)
+#define BXT_PORT_CL1CM_DW28(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW28_BC)
 
 #define _PORT_CL1CM_DW30_A		0x162078
 #define _PORT_CL1CM_DW30_BC		0x6C078
 #define   OCL2_LDOFUSE_PWR_DIS		(1 << 6)
-#define BXT_PORT_CL1CM_DW30(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW30_BC, \
-							_PORT_CL1CM_DW30_A)
+#define BXT_PORT_CL1CM_DW30(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW30_BC)
 
 /* The spec defines this only for BXT PHY0, but lets assume that this
  * would exist for PHY1 too if it had a second channel.
  */
 #define _PORT_CL2CM_DW6_A		0x162358
 #define _PORT_CL2CM_DW6_BC		0x6C358
-#define BXT_PORT_CL2CM_DW6(phy)		_BXT_PHY((phy), _PORT_CL2CM_DW6_BC, \
-							_PORT_CL2CM_DW6_A)
+#define BXT_PORT_CL2CM_DW6(phy)		_BXT_PHY((phy), _PORT_CL2CM_DW6_BC)
 #define   DW6_OLDO_DYN_PWR_DOWN_EN	(1 << 28)
 
 /* BXT PHY Ref registers */
 #define _PORT_REF_DW3_A			0x16218C
 #define _PORT_REF_DW3_BC		0x6C18C
 #define   GRC_DONE			(1 << 22)
-#define BXT_PORT_REF_DW3(phy)		_BXT_PHY((phy), _PORT_REF_DW3_BC, \
-							_PORT_REF_DW3_A)
+#define BXT_PORT_REF_DW3(phy)		_BXT_PHY((phy), _PORT_REF_DW3_BC)
 
 #define _PORT_REF_DW6_A			0x162198
 #define _PORT_REF_DW6_BC		0x6C198
@@ -1333,15 +1339,13 @@ enum skl_disp_power_wells {
 #define   GRC_CODE_SLOW_SHIFT		8
 #define   GRC_CODE_SLOW_MASK		(0xFF << GRC_CODE_SLOW_SHIFT)
 #define   GRC_CODE_NOM_MASK		0xFF
-#define BXT_PORT_REF_DW6(phy)		_BXT_PHY((phy), _PORT_REF_DW6_BC,	\
-						      _PORT_REF_DW6_A)
+#define BXT_PORT_REF_DW6(phy)		_BXT_PHY((phy), _PORT_REF_DW6_BC)
 
 #define _PORT_REF_DW8_A			0x1621A0
 #define _PORT_REF_DW8_BC		0x6C1A0
 #define   GRC_DIS			(1 << 15)
 #define   GRC_RDY_OVRD			(1 << 1)
-#define BXT_PORT_REF_DW8(phy)		_BXT_PHY((phy), _PORT_REF_DW8_BC,	\
-						      _PORT_REF_DW8_A)
+#define BXT_PORT_REF_DW8(phy)		_BXT_PHY((phy), _PORT_REF_DW8_BC)
 
 /* BXT PHY PCS registers */
 #define _PORT_PCS_DW10_LN01_A		0x162428
@@ -1350,12 +1354,13 @@ enum skl_disp_power_wells {
 #define _PORT_PCS_DW10_GRP_A		0x162C28
 #define _PORT_PCS_DW10_GRP_B		0x6CC28
 #define _PORT_PCS_DW10_GRP_C		0x6CE28
-#define BXT_PORT_PCS_DW10_LN01(port)	_MMIO_PORT3(port, _PORT_PCS_DW10_LN01_A, \
-						     _PORT_PCS_DW10_LN01_B, \
-						     _PORT_PCS_DW10_LN01_C)
-#define BXT_PORT_PCS_DW10_GRP(port)	_MMIO_PORT3(port, _PORT_PCS_DW10_GRP_A,  \
-						     _PORT_PCS_DW10_GRP_B,  \
-						     _PORT_PCS_DW10_GRP_C)
+#define BXT_PORT_PCS_DW10_LN01(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW10_LN01_B, \
+							 _PORT_PCS_DW10_LN01_C)
+#define BXT_PORT_PCS_DW10_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW10_GRP_B, \
+							 _PORT_PCS_DW10_GRP_C)
+
 #define   TX2_SWING_CALC_INIT		(1 << 31)
 #define   TX1_SWING_CALC_INIT		(1 << 30)
 
@@ -1370,15 +1375,15 @@ enum skl_disp_power_wells {
 #define _PORT_PCS_DW12_GRP_C		0x6CE30
 #define   LANESTAGGER_STRAP_OVRD	(1 << 6)
 #define   LANE_STAGGER_MASK		0x1F
-#define BXT_PORT_PCS_DW12_LN01(port)	_MMIO_PORT3(port, _PORT_PCS_DW12_LN01_A, \
-						     _PORT_PCS_DW12_LN01_B, \
-						     _PORT_PCS_DW12_LN01_C)
-#define BXT_PORT_PCS_DW12_LN23(port)	_MMIO_PORT3(port, _PORT_PCS_DW12_LN23_A, \
-						     _PORT_PCS_DW12_LN23_B, \
-						     _PORT_PCS_DW12_LN23_C)
-#define BXT_PORT_PCS_DW12_GRP(port)	_MMIO_PORT3(port, _PORT_PCS_DW12_GRP_A, \
-						     _PORT_PCS_DW12_GRP_B, \
-						     _PORT_PCS_DW12_GRP_C)
+#define BXT_PORT_PCS_DW12_LN01(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW12_LN01_B, \
+							 _PORT_PCS_DW12_LN01_C)
+#define BXT_PORT_PCS_DW12_LN23(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW12_LN23_B, \
+							 _PORT_PCS_DW12_LN23_C)
+#define BXT_PORT_PCS_DW12_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW12_GRP_B, \
+							 _PORT_PCS_DW12_GRP_C)
 
 /* BXT PHY TX registers */
 #define _BXT_LANE_OFFSET(lane)           (((lane) >> 1) * 0x200 +	\
@@ -1390,12 +1395,12 @@ enum skl_disp_power_wells {
 #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_GRP(port)	_MMIO_PORT3(port, _PORT_TX_DW2_GRP_A,  \
-						     _PORT_TX_DW2_GRP_B,  \
-						     _PORT_TX_DW2_GRP_C)
-#define BXT_PORT_TX_DW2_LN0(port)	_MMIO_PORT3(port, _PORT_TX_DW2_LN0_A,  \
-						     _PORT_TX_DW2_LN0_B,  \
-						     _PORT_TX_DW2_LN0_C)
+#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_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_TX_DW2_GRP_B, \
+							 _PORT_TX_DW2_GRP_C)
 #define   MARGIN_000_SHIFT		16
 #define   MARGIN_000			(0xFF << MARGIN_000_SHIFT)
 #define   UNIQ_TRANS_SCALE_SHIFT	8
@@ -1407,12 +1412,12 @@ enum skl_disp_power_wells {
 #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_GRP(port)	_MMIO_PORT3(port, _PORT_TX_DW3_GRP_A,  \
-						     _PORT_TX_DW3_GRP_B,  \
-						     _PORT_TX_DW3_GRP_C)
-#define BXT_PORT_TX_DW3_LN0(port)	_MMIO_PORT3(port, _PORT_TX_DW3_LN0_A,  \
-						     _PORT_TX_DW3_LN0_B,  \
-						     _PORT_TX_DW3_LN0_C)
+#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_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_TX_DW3_GRP_B, \
+							 _PORT_TX_DW3_GRP_C)
 #define   SCALE_DCOMP_METHOD		(1 << 26)
 #define   UNIQUE_TRANGE_EN_METHOD	(1 << 27)
 
@@ -1422,12 +1427,12 @@ enum skl_disp_power_wells {
 #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(port)	_MMIO_PORT3(port, _PORT_TX_DW4_LN0_A,  \
-						     _PORT_TX_DW4_LN0_B,  \
-						     _PORT_TX_DW4_LN0_C)
-#define BXT_PORT_TX_DW4_GRP(port)	_MMIO_PORT3(port, _PORT_TX_DW4_GRP_A,  \
-						     _PORT_TX_DW4_GRP_B,  \
-						     _PORT_TX_DW4_GRP_C)
+#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_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_TX_DW4_GRP_B, \
+							 _PORT_TX_DW4_GRP_C)
 #define   DEEMPH_SHIFT			24
 #define   DE_EMPHASIS			(0xFF << DEEMPH_SHIFT)
 
@@ -1436,10 +1441,10 @@ enum skl_disp_power_wells {
 #define _PORT_TX_DW14_LN0_C		0x6C938
 #define   LATENCY_OPTIM_SHIFT		30
 #define   LATENCY_OPTIM			(1 << LATENCY_OPTIM_SHIFT)
-#define BXT_PORT_TX_DW14_LN(port, lane)	_MMIO(_PORT3((port), _PORT_TX_DW14_LN0_A,   \
-							_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(phy, ch, _PORT_TX_DW14_LN0_B,			\
+				   _PORT_TX_DW14_LN0_C) +		\
+	      _BXT_LANE_OFFSET(lane))
 
 /* UAIMI scratch pad register 1 */
 #define UAIMI_SPR1			_MMIO(0x4F074)
diff --git a/drivers/gpu/drm/i915/intel_dpio_phy.c b/drivers/gpu/drm/i915/intel_dpio_phy.c
index 6711e3a..0d2cb6b 100644
--- a/drivers/gpu/drm/i915/intel_dpio_phy.c
+++ b/drivers/gpu/drm/i915/intel_dpio_phy.c
@@ -167,26 +167,58 @@ static u32 bxt_phy_port_mask(const struct bxt_ddi_phy_info *phy_info)
 		BIT(phy_info->channel[DPIO_CH0].port);
 }
 
+void bxt_port_to_phy_channel(enum port port,
+			     enum dpio_phy *phy, enum dpio_channel *ch)
+{
+	const struct bxt_ddi_phy_info *phy_info;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(bxt_ddi_phy_info); i++) {
+		phy_info = &bxt_ddi_phy_info[i];
+
+		if (port == phy_info->channel[DPIO_CH0].port) {
+			*phy = i;
+			*ch = DPIO_CH0;
+			return;
+		}
+
+		if (phy_info->dual_channel &&
+		    port == phy_info->channel[DPIO_CH1].port) {
+			*phy = i;
+			*ch = DPIO_CH1;
+			return;
+		}
+	}
+
+	WARN(1, "PHY not found for PORT %c", port_name(port));
+	*phy = DPIO_PHY0;
+	*ch = DPIO_CH0;
+}
+
 void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv,
 				  enum port port, u32 margin, u32 scale,
 				  u32 enable, u32 deemphasis)
 {
 	u32 val;
+	u32 phy;
+	enum dpio_channel ch;
+
+	bxt_port_to_phy_channel(port, &phy, &ch);
 
 	/*
 	 * While we write to the group register to program all lanes at once we
 	 * can read only lane registers and we pick lanes 0/1 for that.
 	 */
-	val = I915_READ(BXT_PORT_PCS_DW10_LN01(port));
+	val = I915_READ(BXT_PORT_PCS_DW10_LN01(phy, ch));
 	val &= ~(TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT);
-	I915_WRITE(BXT_PORT_PCS_DW10_GRP(port), val);
+	I915_WRITE(BXT_PORT_PCS_DW10_GRP(phy, ch), val);
 
-	val = I915_READ(BXT_PORT_TX_DW2_LN0(port));
+	val = I915_READ(BXT_PORT_TX_DW2_LN0(phy, ch));
 	val &= ~(MARGIN_000 | UNIQ_TRANS_SCALE);
 	val |= margin << MARGIN_000_SHIFT | scale << UNIQ_TRANS_SCALE_SHIFT;
-	I915_WRITE(BXT_PORT_TX_DW2_GRP(port), val);
+	I915_WRITE(BXT_PORT_TX_DW2_GRP(phy, ch), val);
 
-	val = I915_READ(BXT_PORT_TX_DW3_LN0(port));
+	val = I915_READ(BXT_PORT_TX_DW3_LN0(phy, ch));
 	val &= ~SCALE_DCOMP_METHOD;
 	if (enable)
 		val |= SCALE_DCOMP_METHOD;
@@ -194,16 +226,16 @@ void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv,
 	if ((val & UNIQUE_TRANGE_EN_METHOD) && !(val & SCALE_DCOMP_METHOD))
 		DRM_ERROR("Disabled scaling while ouniqetrangenmethod was set");
 
-	I915_WRITE(BXT_PORT_TX_DW3_GRP(port), val);
+	I915_WRITE(BXT_PORT_TX_DW3_GRP(phy, ch), val);
 
-	val = I915_READ(BXT_PORT_TX_DW4_LN0(port));
+	val = I915_READ(BXT_PORT_TX_DW4_LN0(phy, ch));
 	val &= ~DE_EMPHASIS;
 	val |= deemphasis << DEEMPH_SHIFT;
-	I915_WRITE(BXT_PORT_TX_DW4_GRP(port), val);
+	I915_WRITE(BXT_PORT_TX_DW4_GRP(phy, ch), val);
 
-	val = I915_READ(BXT_PORT_PCS_DW10_LN01(port));
+	val = I915_READ(BXT_PORT_PCS_DW10_LN01(phy, ch));
 	val |= TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT;
-	I915_WRITE(BXT_PORT_PCS_DW10_GRP(port), val);
+	I915_WRITE(BXT_PORT_PCS_DW10_GRP(phy, ch), val);
 }
 
 bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
@@ -256,7 +288,11 @@ bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
 
 static u32 bxt_get_grc(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 {
-	u32 val = I915_READ(BXT_PORT_REF_DW6(phy));
+	const struct bxt_ddi_phy_info *phy_info;
+	u32 val;
+
+	phy_info = &bxt_ddi_phy_info[phy];
+	val = I915_READ(BXT_PORT_REF_DW6(phy));
 
 	return (val & GRC_CODE_MASK) >> GRC_CODE_SHIFT;
 }
@@ -264,6 +300,10 @@ static u32 bxt_get_grc(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 static void bxt_phy_wait_grc_done(struct drm_i915_private *dev_priv,
 				  enum dpio_phy phy)
 {
+	const struct bxt_ddi_phy_info *phy_info;
+
+	phy_info = &bxt_ddi_phy_info[phy];
+
 	if (intel_wait_for_register(dev_priv,
 				    BXT_PORT_REF_DW3(phy),
 				    GRC_DONE, GRC_DONE,
@@ -489,8 +529,8 @@ bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
 			   grc_code;
 		mask = GRC_CODE_FAST_MASK | GRC_CODE_SLOW_MASK |
 		       GRC_CODE_NOM_MASK;
-		ok &= _CHK(BXT_PORT_REF_DW6(phy), mask, grc_code,
-			    "BXT_PORT_REF_DW6(%d)", phy);
+		ok &= _CHK(BXT_PORT_REF_DW6(phy), mask,
+			   grc_code, "BXT_PORT_REF_DW6(%d)", phy);
 
 		mask = GRC_DIS | GRC_RDY_OVRD;
 		ok &= _CHK(BXT_PORT_REF_DW8(phy), mask, mask,
@@ -525,10 +565,14 @@ void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
 	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
 	struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev);
 	enum port port = dport->port;
+	u32 phy;
+	enum dpio_channel ch;
 	int lane;
 
+	bxt_port_to_phy_channel(port, &phy, &ch);
+
 	for (lane = 0; lane < 4; lane++) {
-		u32 val = I915_READ(BXT_PORT_TX_DW14_LN(port, lane));
+		u32 val = I915_READ(BXT_PORT_TX_DW14_LN(phy, ch, lane));
 
 		/*
 		 * Note that on CHV this flag is called UPAR, but has
@@ -538,7 +582,7 @@ void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
 		if (lane_lat_optim_mask & BIT(lane))
 			val |= LATENCY_OPTIM;
 
-		I915_WRITE(BXT_PORT_TX_DW14_LN(port, lane), val);
+		I915_WRITE(BXT_PORT_TX_DW14_LN(phy, ch, lane), val);
 	}
 }
 
@@ -548,12 +592,16 @@ bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder)
 	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
 	struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev);
 	enum port port = dport->port;
+	u32 phy;
+	enum dpio_channel ch;
 	int lane;
 	uint8_t mask;
 
+	bxt_port_to_phy_channel(port, &phy, &ch);
+
 	mask = 0;
 	for (lane = 0; lane < 4; lane++) {
-		u32 val = I915_READ(BXT_PORT_TX_DW14_LN(port, lane));
+		u32 val = I915_READ(BXT_PORT_TX_DW14_LN(phy, ch, lane));
 
 		if (val & LATENCY_OPTIM)
 			mask |= BIT(lane);
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index 1c59ca5..a4a9f05 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -1371,6 +1371,10 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *dev_priv,
 {
 	uint32_t temp;
 	enum port port = (enum port)pll->id;	/* 1:1 port->PLL mapping */
+	u32 phy;
+	enum dpio_channel ch;
+
+	bxt_port_to_phy_channel(port, &phy, &ch);
 
 	/* Non-SSC reference */
 	temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
@@ -1378,72 +1382,72 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *dev_priv,
 	I915_WRITE(BXT_PORT_PLL_ENABLE(port), temp);
 
 	/* Disable 10 bit clock */
-	temp = I915_READ(BXT_PORT_PLL_EBB_4(port));
+	temp = I915_READ(BXT_PORT_PLL_EBB_4(phy, ch));
 	temp &= ~PORT_PLL_10BIT_CLK_ENABLE;
-	I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
+	I915_WRITE(BXT_PORT_PLL_EBB_4(phy, ch), temp);
 
 	/* Write P1 & P2 */
-	temp = I915_READ(BXT_PORT_PLL_EBB_0(port));
+	temp = I915_READ(BXT_PORT_PLL_EBB_0(phy, ch));
 	temp &= ~(PORT_PLL_P1_MASK | PORT_PLL_P2_MASK);
 	temp |= pll->config.hw_state.ebb0;
-	I915_WRITE(BXT_PORT_PLL_EBB_0(port), temp);
+	I915_WRITE(BXT_PORT_PLL_EBB_0(phy, ch), temp);
 
 	/* Write M2 integer */
-	temp = I915_READ(BXT_PORT_PLL(port, 0));
+	temp = I915_READ(BXT_PORT_PLL(phy, ch, 0));
 	temp &= ~PORT_PLL_M2_MASK;
 	temp |= pll->config.hw_state.pll0;
-	I915_WRITE(BXT_PORT_PLL(port, 0), temp);
+	I915_WRITE(BXT_PORT_PLL(phy, ch, 0), temp);
 
 	/* Write N */
-	temp = I915_READ(BXT_PORT_PLL(port, 1));
+	temp = I915_READ(BXT_PORT_PLL(phy, ch, 1));
 	temp &= ~PORT_PLL_N_MASK;
 	temp |= pll->config.hw_state.pll1;
-	I915_WRITE(BXT_PORT_PLL(port, 1), temp);
+	I915_WRITE(BXT_PORT_PLL(phy, ch, 1), temp);
 
 	/* Write M2 fraction */
-	temp = I915_READ(BXT_PORT_PLL(port, 2));
+	temp = I915_READ(BXT_PORT_PLL(phy, ch, 2));
 	temp &= ~PORT_PLL_M2_FRAC_MASK;
 	temp |= pll->config.hw_state.pll2;
-	I915_WRITE(BXT_PORT_PLL(port, 2), temp);
+	I915_WRITE(BXT_PORT_PLL(phy, ch, 2), temp);
 
 	/* Write M2 fraction enable */
-	temp = I915_READ(BXT_PORT_PLL(port, 3));
+	temp = I915_READ(BXT_PORT_PLL(phy, ch, 3));
 	temp &= ~PORT_PLL_M2_FRAC_ENABLE;
 	temp |= pll->config.hw_state.pll3;
-	I915_WRITE(BXT_PORT_PLL(port, 3), temp);
+	I915_WRITE(BXT_PORT_PLL(phy, ch, 3), temp);
 
 	/* Write coeff */
-	temp = I915_READ(BXT_PORT_PLL(port, 6));
+	temp = I915_READ(BXT_PORT_PLL(phy, ch, 6));
 	temp &= ~PORT_PLL_PROP_COEFF_MASK;
 	temp &= ~PORT_PLL_INT_COEFF_MASK;
 	temp &= ~PORT_PLL_GAIN_CTL_MASK;
 	temp |= pll->config.hw_state.pll6;
-	I915_WRITE(BXT_PORT_PLL(port, 6), temp);
+	I915_WRITE(BXT_PORT_PLL(phy, ch, 6), temp);
 
 	/* Write calibration val */
-	temp = I915_READ(BXT_PORT_PLL(port, 8));
+	temp = I915_READ(BXT_PORT_PLL(phy, ch, 8));
 	temp &= ~PORT_PLL_TARGET_CNT_MASK;
 	temp |= pll->config.hw_state.pll8;
-	I915_WRITE(BXT_PORT_PLL(port, 8), temp);
+	I915_WRITE(BXT_PORT_PLL(phy, ch, 8), temp);
 
-	temp = I915_READ(BXT_PORT_PLL(port, 9));
+	temp = I915_READ(BXT_PORT_PLL(phy, ch, 9));
 	temp &= ~PORT_PLL_LOCK_THRESHOLD_MASK;
 	temp |= pll->config.hw_state.pll9;
-	I915_WRITE(BXT_PORT_PLL(port, 9), temp);
+	I915_WRITE(BXT_PORT_PLL(phy, ch, 9), temp);
 
-	temp = I915_READ(BXT_PORT_PLL(port, 10));
+	temp = I915_READ(BXT_PORT_PLL(phy, ch, 10));
 	temp &= ~PORT_PLL_DCO_AMP_OVR_EN_H;
 	temp &= ~PORT_PLL_DCO_AMP_MASK;
 	temp |= pll->config.hw_state.pll10;
-	I915_WRITE(BXT_PORT_PLL(port, 10), temp);
+	I915_WRITE(BXT_PORT_PLL(phy, ch, 10), temp);
 
 	/* Recalibrate with new settings */
-	temp = I915_READ(BXT_PORT_PLL_EBB_4(port));
+	temp = I915_READ(BXT_PORT_PLL_EBB_4(phy, ch));
 	temp |= PORT_PLL_RECALIBRATE;
-	I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
+	I915_WRITE(BXT_PORT_PLL_EBB_4(phy, ch), temp);
 	temp &= ~PORT_PLL_10BIT_CLK_ENABLE;
 	temp |= pll->config.hw_state.ebb4;
-	I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
+	I915_WRITE(BXT_PORT_PLL_EBB_4(phy, ch), temp);
 
 	/* Enable PLL */
 	temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
@@ -1459,11 +1463,11 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *dev_priv,
 	 * While we write to the group register to program all lanes at once we
 	 * can read only lane registers and we pick lanes 0/1 for that.
 	 */
-	temp = I915_READ(BXT_PORT_PCS_DW12_LN01(port));
+	temp = I915_READ(BXT_PORT_PCS_DW12_LN01(phy, ch));
 	temp &= ~LANE_STAGGER_MASK;
 	temp &= ~LANESTAGGER_STRAP_OVRD;
 	temp |= pll->config.hw_state.pcsdw12;
-	I915_WRITE(BXT_PORT_PCS_DW12_GRP(port), temp);
+	I915_WRITE(BXT_PORT_PCS_DW12_GRP(phy, ch), temp);
 }
 
 static void bxt_ddi_pll_disable(struct drm_i915_private *dev_priv,
@@ -1485,6 +1489,10 @@ static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
 	enum port port = (enum port)pll->id;	/* 1:1 port->PLL mapping */
 	uint32_t val;
 	bool ret;
+	u32 phy;
+	enum dpio_channel ch;
+
+	bxt_port_to_phy_channel(port, &phy, &ch);
 
 	if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
 		return false;
@@ -1495,36 +1503,36 @@ static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
 	if (!(val & PORT_PLL_ENABLE))
 		goto out;
 
-	hw_state->ebb0 = I915_READ(BXT_PORT_PLL_EBB_0(port));
+	hw_state->ebb0 = I915_READ(BXT_PORT_PLL_EBB_0(phy, ch));
 	hw_state->ebb0 &= PORT_PLL_P1_MASK | PORT_PLL_P2_MASK;
 
-	hw_state->ebb4 = I915_READ(BXT_PORT_PLL_EBB_4(port));
+	hw_state->ebb4 = I915_READ(BXT_PORT_PLL_EBB_4(phy, ch));
 	hw_state->ebb4 &= PORT_PLL_10BIT_CLK_ENABLE;
 
-	hw_state->pll0 = I915_READ(BXT_PORT_PLL(port, 0));
+	hw_state->pll0 = I915_READ(BXT_PORT_PLL(phy, ch, 0));
 	hw_state->pll0 &= PORT_PLL_M2_MASK;
 
-	hw_state->pll1 = I915_READ(BXT_PORT_PLL(port, 1));
+	hw_state->pll1 = I915_READ(BXT_PORT_PLL(phy, ch, 1));
 	hw_state->pll1 &= PORT_PLL_N_MASK;
 
-	hw_state->pll2 = I915_READ(BXT_PORT_PLL(port, 2));
+	hw_state->pll2 = I915_READ(BXT_PORT_PLL(phy, ch, 2));
 	hw_state->pll2 &= PORT_PLL_M2_FRAC_MASK;
 
-	hw_state->pll3 = I915_READ(BXT_PORT_PLL(port, 3));
+	hw_state->pll3 = I915_READ(BXT_PORT_PLL(phy, ch, 3));
 	hw_state->pll3 &= PORT_PLL_M2_FRAC_ENABLE;
 
-	hw_state->pll6 = I915_READ(BXT_PORT_PLL(port, 6));
+	hw_state->pll6 = I915_READ(BXT_PORT_PLL(phy, ch, 6));
 	hw_state->pll6 &= PORT_PLL_PROP_COEFF_MASK |
 			  PORT_PLL_INT_COEFF_MASK |
 			  PORT_PLL_GAIN_CTL_MASK;
 
-	hw_state->pll8 = I915_READ(BXT_PORT_PLL(port, 8));
+	hw_state->pll8 = I915_READ(BXT_PORT_PLL(phy, ch, 8));
 	hw_state->pll8 &= PORT_PLL_TARGET_CNT_MASK;
 
-	hw_state->pll9 = I915_READ(BXT_PORT_PLL(port, 9));
+	hw_state->pll9 = I915_READ(BXT_PORT_PLL(phy, ch, 9));
 	hw_state->pll9 &= PORT_PLL_LOCK_THRESHOLD_MASK;
 
-	hw_state->pll10 = I915_READ(BXT_PORT_PLL(port, 10));
+	hw_state->pll10 = I915_READ(BXT_PORT_PLL(phy, ch, 10));
 	hw_state->pll10 &= PORT_PLL_DCO_AMP_OVR_EN_H |
 			   PORT_PLL_DCO_AMP_MASK;
 
@@ -1533,11 +1541,11 @@ static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
 	 * can read only lane registers. We configure all lanes the same way, so
 	 * here just read out lanes 0/1 and output a note if lanes 2/3 differ.
 	 */
-	hw_state->pcsdw12 = I915_READ(BXT_PORT_PCS_DW12_LN01(port));
-	if (I915_READ(BXT_PORT_PCS_DW12_LN23(port)) != hw_state->pcsdw12)
+	hw_state->pcsdw12 = I915_READ(BXT_PORT_PCS_DW12_LN01(phy, ch));
+	if (I915_READ(BXT_PORT_PCS_DW12_LN23(phy, ch)) != hw_state->pcsdw12)
 		DRM_DEBUG_DRIVER("lane stagger config different for lane 01 (%08x) and 23 (%08x)\n",
 				 hw_state->pcsdw12,
-				 I915_READ(BXT_PORT_PCS_DW12_LN23(port)));
+				 I915_READ(BXT_PORT_PCS_DW12_LN23(phy, ch)));
 	hw_state->pcsdw12 &= LANE_STAGGER_MASK | LANESTAGGER_STRAP_OVRD;
 
 	ret = true;
