diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index baa69151fc09..f79efc6e069c 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -362,7 +362,7 @@ static void g4x_audio_codec_enable(struct intel_encoder *encoder,
 
 	tmp = intel_de_read(i915, G4X_AUD_CNTL_ST);
 	tmp &= ~(G4X_ELDV | G4X_ELD_ADDR_MASK);
-	len = (tmp >> 9) & 0x1f;		/* ELD buffer size */
+	len = REG_FIELD_GET(G4X_ELD_BUFFER_SIZE_MASK, tmp);
 	intel_de_write(i915, G4X_AUD_CNTL_ST, tmp);
 
 	len = min(drm_eld_size(eld) / 4, len);
@@ -700,7 +700,7 @@ static void ilk_audio_codec_disable(struct intel_encoder *encoder,
 	enum pipe pipe = crtc->pipe;
 	enum port port = encoder->port;
 	struct ilk_audio_regs regs;
-	u32 tmp, eldv;
+	u32 tmp;
 
 	if (drm_WARN_ON(&i915->drm, port == PORT_A))
 		return;
@@ -717,11 +717,9 @@ static void ilk_audio_codec_disable(struct intel_encoder *encoder,
 		tmp |= AUD_CONFIG_N_VALUE_INDEX;
 	intel_de_write(i915, regs.aud_config, tmp);
 
-	eldv = IBX_ELD_VALID(port);
-
 	/* Invalidate ELD */
 	tmp = intel_de_read(i915, regs.aud_cntrl_st2);
-	tmp &= ~eldv;
+	tmp &= ~IBX_ELD_VALID(port);
 	intel_de_write(i915, regs.aud_cntrl_st2, tmp);
 }
 
@@ -736,8 +734,8 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder,
 	enum port port = encoder->port;
 	const u8 *eld = connector->eld;
 	struct ilk_audio_regs regs;
-	u32 tmp, eldv;
 	int len, i;
+	u32 tmp;
 
 	if (drm_WARN_ON(&i915->drm, port == PORT_A))
 		return;
@@ -751,11 +749,10 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder,
 
 	ilk_audio_regs_init(i915, pipe, &regs);
 
-	eldv = IBX_ELD_VALID(port);
 
 	/* Invalidate ELD */
 	tmp = intel_de_read(i915, regs.aud_cntrl_st2);
-	tmp &= ~eldv;
+	tmp &= ~IBX_ELD_VALID(port);
 	intel_de_write(i915, regs.aud_cntrl_st2, tmp);
 
 	/* Reset ELD write address */
@@ -771,7 +768,7 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder,
 
 	/* ELD valid */
 	tmp = intel_de_read(i915, regs.aud_cntrl_st2);
-	tmp |= eldv;
+	tmp |= IBX_ELD_VALID(port);
 	intel_de_write(i915, regs.aud_cntrl_st2, tmp);
 
 	/* Enable timestamps */
diff --git a/drivers/gpu/drm/i915/display/intel_audio_regs.h b/drivers/gpu/drm/i915/display/intel_audio_regs.h
index ebbdd0654919..b5684ed839be 100644
--- a/drivers/gpu/drm/i915/display/intel_audio_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_audio_regs.h
@@ -9,9 +9,10 @@
 #include "i915_reg_defs.h"
 
 #define G4X_AUD_CNTL_ST			_MMIO(0x620B4)
-#define   G4X_ELDV			(1 << 14)
-#define   G4X_ELD_ADDR_MASK		(0xf << 5)
-#define   G4X_ELD_ACK			(1 << 4)
+#define   G4X_ELDV			REG_BIT(14)
+#define   G4X_ELD_BUFFER_SIZE_MASK	REG_GENMASK(13, 9)
+#define   G4X_ELD_ADDR_MASK		REG_GENMASK(8, 5)
+#define   G4X_ELD_ACK			REG_BIT(4)
 #define G4X_HDMIW_HDMIEDID		_MMIO(0x6210C)
 
 #define _IBX_HDMIW_HDMIEDID_A		0xE2050
@@ -22,12 +23,12 @@
 #define _IBX_AUD_CNTL_ST_B		0xE21B4
 #define IBX_AUD_CNTL_ST(pipe)		_MMIO_PIPE(pipe, _IBX_AUD_CNTL_ST_A, \
 						  _IBX_AUD_CNTL_ST_B)
-#define   IBX_ELD_BUFFER_SIZE_MASK	(0x1f << 10)
-#define   IBX_ELD_ADDRESS_MASK		(0x1f << 5)
-#define   IBX_ELD_ACK			(1 << 4)
+#define   IBX_ELD_BUFFER_SIZE_MASK	REG_GENMASK(14, 10)
+#define   IBX_ELD_ADDRESS_MASK		REG_GENMASK(9, 5)
+#define   IBX_ELD_ACK			REG_BIT(4)
 #define IBX_AUD_CNTL_ST2		_MMIO(0xE20C0)
-#define   IBX_CP_READY(port)		((1 << 1) << (((port) - 1) * 4))
-#define   IBX_ELD_VALID(port)		((1 << 0) << (((port) - 1) * 4))
+#define   IBX_CP_READY(port)		REG_BIT(((port) - 1) * 4 + 1)
+#define   IBX_ELD_VALID(port)		REG_BIT(((port) - 1) * 4 + 0)
 
 #define _CPT_HDMIW_HDMIEDID_A		0xE5050
 #define _CPT_HDMIW_HDMIEDID_B		0xE5150
@@ -54,34 +55,30 @@
 #define _VLV_AUD_CONFIG_A		(VLV_DISPLAY_BASE + 0x62000)
 #define _VLV_AUD_CONFIG_B		(VLV_DISPLAY_BASE + 0x62100)
 #define VLV_AUD_CFG(pipe)		_MMIO_PIPE(pipe, _VLV_AUD_CONFIG_A, _VLV_AUD_CONFIG_B)
-
-#define   AUD_CONFIG_N_VALUE_INDEX		(1 << 29)
-#define   AUD_CONFIG_N_PROG_ENABLE		(1 << 28)
-#define   AUD_CONFIG_UPPER_N_SHIFT		20
-#define   AUD_CONFIG_UPPER_N_MASK		(0xff << 20)
-#define   AUD_CONFIG_LOWER_N_SHIFT		4
-#define   AUD_CONFIG_LOWER_N_MASK		(0xfff << 4)
-#define   AUD_CONFIG_N_MASK			(AUD_CONFIG_UPPER_N_MASK | AUD_CONFIG_LOWER_N_MASK)
-#define   AUD_CONFIG_N(n) \
-	(((((n) >> 12) & 0xff) << AUD_CONFIG_UPPER_N_SHIFT) |	\
-	 (((n) & 0xfff) << AUD_CONFIG_LOWER_N_SHIFT))
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_SHIFT	16
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK	(0xf << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_25175	(0 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_25200	(1 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_27000	(2 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_27027	(3 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_54000	(4 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_54054	(5 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_74176	(6 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_74250	(7 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_148352	(8 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_148500	(9 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_296703	(10 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_297000	(11 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_593407	(12 << 16)
-#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_594000	(13 << 16)
-#define   AUD_CONFIG_DISABLE_NCTS		(1 << 3)
+#define   AUD_CONFIG_N_VALUE_INDEX		REG_BIT(29)
+#define   AUD_CONFIG_N_PROG_ENABLE		REG_BIT(28)
+#define   AUD_CONFIG_UPPER_N_MASK		REG_GENMASK(27, 20)
+#define   AUD_CONFIG_LOWER_N_MASK		REG_GENMASK(15, 4)
+#define   AUD_CONFIG_N_MASK			(AUD_CONFIG_UPPER_N_MASK | \
+						 AUD_CONFIG_LOWER_N_MASK)
+#define   AUD_CONFIG_N(n)			(REG_FIELD_PREP(AUD_CONFIG_UPPER_N_MASK, (n) >> 12) | \
+						 REG_FIELD_PREP(AUD_CONFIG_LOWER_N_MASK, (n) & 0xfff))
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK	REG_GENMASK(19, 16)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_25175	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 0)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_25200	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 1)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_27000	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 2)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_27027	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 3)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_54000	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 4)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_54054	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 5)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_74176	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 6)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_74250	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 7)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_148352	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 8)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_148500	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 9)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_296703	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 10)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_297000	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 11)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_593407	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 12)
+#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_594000	REG_FIELD_PREP(AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK, 13)
+#define   AUD_CONFIG_DISABLE_NCTS		REG_BIT(3)
 
 #define _HSW_AUD_CONFIG_A		0x65000
 #define _HSW_AUD_CONFIG_B		0x65100
@@ -94,9 +91,9 @@
 #define _HSW_AUD_M_CTS_ENABLE_A		0x65028
 #define _HSW_AUD_M_CTS_ENABLE_B		0x65128
 #define HSW_AUD_M_CTS_ENABLE(trans)	_MMIO_TRANS(trans, _HSW_AUD_M_CTS_ENABLE_A, _HSW_AUD_M_CTS_ENABLE_B)
-#define   AUD_M_CTS_M_VALUE_INDEX	(1 << 21)
-#define   AUD_M_CTS_M_PROG_ENABLE	(1 << 20)
-#define   AUD_CONFIG_M_MASK		0xfffff
+#define   AUD_M_CTS_M_VALUE_INDEX	REG_BIT(21)
+#define   AUD_M_CTS_M_PROG_ENABLE	REG_BIT(20)
+#define   AUD_CONFIG_M_MASK		REG_GENMASK(19, 0)
 
 #define _HSW_AUD_DIP_ELD_CTRL_ST_A	0x650b4
 #define _HSW_AUD_DIP_ELD_CTRL_ST_B	0x651b4
@@ -124,11 +121,11 @@
 #define AUD_DP_2DOT0_CTRL(trans)	_MMIO_TRANS(trans, _AUD_TCA_DP_2DOT0_CTRL, _AUD_TCB_DP_2DOT0_CTRL)
 #define  AUD_ENABLE_SDP_SPLIT		REG_BIT(31)
 
-#define HSW_AUD_CHICKENBIT			_MMIO(0x65f10)
-#define   SKL_AUD_CODEC_WAKE_SIGNAL		(1 << 15)
+#define HSW_AUD_CHICKENBIT		_MMIO(0x65f10)
+#define   SKL_AUD_CODEC_WAKE_SIGNAL	REG_BIT(15)
 
 #define AUD_FREQ_CNTRL			_MMIO(0x65900)
-#define AUD_PIN_BUF_CTL		_MMIO(0x48414)
+#define AUD_PIN_BUF_CTL			_MMIO(0x48414)
 #define   AUD_PIN_BUF_ENABLE		REG_BIT(31)
 
 #define AUD_TS_CDCLK_M			_MMIO(0x65ea0)
