diff --git a/drivers/gpu/drm/msm/dp/dp_audio.c b/drivers/gpu/drm/msm/dp/dp_audio.c
index a4b792624ccc444f8912eb967d722cb94f6d4087..6a6b4032548cf3298e7fa75795401ec0925d48d4 100644
--- a/drivers/gpu/drm/msm/dp/dp_audio.c
+++ b/drivers/gpu/drm/msm/dp/dp_audio.c
@@ -31,67 +31,129 @@ struct msm_dp_audio_private {
 
 static void msm_dp_audio_stream_sdp(struct msm_dp_audio_private *audio)
 {
+	struct msm_dp_catalog *catalog = audio->catalog;
 	struct dp_sdp_header sdp_hdr = {
 		.HB0 = 0x00,
 		.HB1 = 0x02,
 		.HB2 = 0x00,
 		.HB3 = audio->channels - 1,
 	};
+	u32 header[2];
+
+	msm_dp_utils_pack_sdp_header(&sdp_hdr, header);
 
-	msm_dp_catalog_write_audio_stream(audio->catalog, &sdp_hdr);
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_STREAM_0, header[0]);
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_STREAM_1, header[1]);
 }
 
 static void msm_dp_audio_timestamp_sdp(struct msm_dp_audio_private *audio)
 {
+	struct msm_dp_catalog *catalog = audio->catalog;
 	struct dp_sdp_header sdp_hdr = {
 		.HB0 = 0x00,
 		.HB1 = 0x01,
 		.HB2 = 0x17,
 		.HB3 = 0x0 | (0x11 << 2),
 	};
+	u32 header[2];
 
-	msm_dp_catalog_write_audio_timestamp(audio->catalog, &sdp_hdr);
+	msm_dp_utils_pack_sdp_header(&sdp_hdr, header);
+
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_TIMESTAMP_0, header[0]);
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_TIMESTAMP_1, header[1]);
 }
 
 static void msm_dp_audio_infoframe_sdp(struct msm_dp_audio_private *audio)
 {
+	struct msm_dp_catalog *catalog = audio->catalog;
 	struct dp_sdp_header sdp_hdr = {
 		.HB0 = 0x00,
 		.HB1 = 0x84,
 		.HB2 = 0x1b,
 		.HB3 = 0x0 | (0x11 << 2),
 	};
+	u32 header[2];
+
+	msm_dp_utils_pack_sdp_header(&sdp_hdr, header);
 
-	msm_dp_catalog_write_audio_infoframe(audio->catalog, &sdp_hdr);
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_INFOFRAME_0, header[0]);
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_INFOFRAME_1, header[1]);
 }
 
 static void msm_dp_audio_copy_management_sdp(struct msm_dp_audio_private *audio)
 {
+	struct msm_dp_catalog *catalog = audio->catalog;
 	struct dp_sdp_header sdp_hdr = {
 		.HB0 = 0x00,
 		.HB1 = 0x05,
 		.HB2 = 0x0f,
 		.HB3 = 0x00,
 	};
+	u32 header[2];
+
+	msm_dp_utils_pack_sdp_header(&sdp_hdr, header);
 
-	msm_dp_catalog_write_audio_copy_mgmt(audio->catalog, &sdp_hdr);
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_COPYMANAGEMENT_0, header[0]);
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_COPYMANAGEMENT_1, header[1]);
 }
 
 static void msm_dp_audio_isrc_sdp(struct msm_dp_audio_private *audio)
 {
+	struct msm_dp_catalog *catalog = audio->catalog;
 	struct dp_sdp_header sdp_hdr = {
 		.HB0 = 0x00,
 		.HB1 = 0x06,
 		.HB2 = 0x0f,
 		.HB3 = 0x00,
 	};
+	u32 header[2];
+	u32 reg;
+
+	/* XXX: is it necessary to preserve this field? */
+	reg = msm_dp_read_link(catalog, MMSS_DP_AUDIO_ISRC_1);
+	sdp_hdr.HB3 = FIELD_GET(HEADER_3_MASK, reg);
+
+	msm_dp_utils_pack_sdp_header(&sdp_hdr, header);
+
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_ISRC_0, header[0]);
+	msm_dp_write_link(catalog, MMSS_DP_AUDIO_ISRC_1, header[1]);
+}
 
-	msm_dp_catalog_write_audio_isrc(audio->catalog, &sdp_hdr);
+static void msm_dp_audio_config_sdp(struct msm_dp_audio_private *audio)
+{
+	struct msm_dp_catalog *msm_dp_catalog = audio->catalog;
+	u32 sdp_cfg, sdp_cfg2;
+
+	sdp_cfg = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG);
+	/* AUDIO_TIMESTAMP_SDP_EN */
+	sdp_cfg |= BIT(1);
+	/* AUDIO_STREAM_SDP_EN */
+	sdp_cfg |= BIT(2);
+	/* AUDIO_COPY_MANAGEMENT_SDP_EN */
+	sdp_cfg |= BIT(5);
+	/* AUDIO_ISRC_SDP_EN  */
+	sdp_cfg |= BIT(6);
+	/* AUDIO_INFOFRAME_SDP_EN  */
+	sdp_cfg |= BIT(20);
+
+	drm_dbg_dp(audio->drm_dev, "sdp_cfg = 0x%x\n", sdp_cfg);
+
+	msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG, sdp_cfg);
+
+	sdp_cfg2 = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG2);
+	/* IFRM_REGSRC -> Do not use reg values */
+	sdp_cfg2 &= ~BIT(0);
+	/* AUDIO_STREAM_HB3_REGSRC-> Do not use reg values */
+	sdp_cfg2 &= ~BIT(1);
+
+	drm_dbg_dp(audio->drm_dev, "sdp_cfg2 = 0x%x\n", sdp_cfg2);
+
+	msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG2, sdp_cfg2);
 }
 
 static void msm_dp_audio_setup_sdp(struct msm_dp_audio_private *audio)
 {
-	msm_dp_catalog_audio_config_sdp(audio->catalog);
+	msm_dp_audio_config_sdp(audio);
 
 	msm_dp_audio_stream_sdp(audio);
 	msm_dp_audio_timestamp_sdp(audio);
@@ -102,8 +164,7 @@ static void msm_dp_audio_setup_sdp(struct msm_dp_audio_private *audio)
 
 static void msm_dp_audio_setup_acr(struct msm_dp_audio_private *audio)
 {
-	u32 select = 0;
-	struct msm_dp_catalog *catalog = audio->catalog;
+	u32 select, acr_ctrl;
 
 	switch (audio->msm_dp_audio.bw_code) {
 	case DP_LINK_BW_1_62:
@@ -124,13 +185,17 @@ static void msm_dp_audio_setup_acr(struct msm_dp_audio_private *audio)
 		break;
 	}
 
-	msm_dp_catalog_audio_config_acr(catalog, select);
+	acr_ctrl = select << 4 | BIT(31) | BIT(8) | BIT(14);
+
+	drm_dbg_dp(audio->drm_dev, "select: %#x, acr_ctrl: %#x\n",
+		   select, acr_ctrl);
+
+	msm_dp_write_link(audio->catalog, MMSS_DP_AUDIO_ACR_CTRL, acr_ctrl);
 }
 
 static void msm_dp_audio_safe_to_exit_level(struct msm_dp_audio_private *audio)
 {
-	struct msm_dp_catalog *catalog = audio->catalog;
-	u32 safe_to_exit_level = 0;
+	u32 safe_to_exit_level, mainlink_levels;
 
 	switch (audio->msm_dp_audio.lane_count) {
 	case 1:
@@ -150,14 +215,33 @@ static void msm_dp_audio_safe_to_exit_level(struct msm_dp_audio_private *audio)
 		break;
 	}
 
-	msm_dp_catalog_audio_sfe_level(catalog, safe_to_exit_level);
+	mainlink_levels = msm_dp_read_link(audio->catalog, REG_DP_MAINLINK_LEVELS);
+	mainlink_levels &= 0xFE0;
+	mainlink_levels |= safe_to_exit_level;
+
+	drm_dbg_dp(audio->drm_dev,
+		   "mainlink_level = 0x%x, safe_to_exit_level = 0x%x\n",
+		   mainlink_levels, safe_to_exit_level);
+
+	msm_dp_write_link(audio->catalog, REG_DP_MAINLINK_LEVELS, mainlink_levels);
 }
 
 static void msm_dp_audio_enable(struct msm_dp_audio_private *audio, bool enable)
 {
-	struct msm_dp_catalog *catalog = audio->catalog;
+	u32 audio_ctrl;
+
+	audio_ctrl = msm_dp_read_link(audio->catalog, MMSS_DP_AUDIO_CFG);
+
+	if (enable)
+		audio_ctrl |= BIT(0);
+	else
+		audio_ctrl &= ~BIT(0);
+
+	drm_dbg_dp(audio->drm_dev, "dp_audio_cfg = 0x%x\n", audio_ctrl);
 
-	msm_dp_catalog_audio_enable(catalog, enable);
+	msm_dp_write_link(audio->catalog, MMSS_DP_AUDIO_CFG, audio_ctrl);
+	/* make sure audio engine is disabled */
+	wmb();
 }
 
 static struct msm_dp_audio_private *msm_dp_audio_get_data(struct platform_device *pdev)
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c
index b323fb3341280963012b605483d4f3c7190fd7d5..9f1ce4f8cc43b767151af102b5127b48e1ec84c8 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.c
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.c
@@ -303,169 +303,3 @@ struct msm_dp_catalog *msm_dp_catalog_get(struct device *dev)
 
 	return &catalog->msm_dp_catalog;
 }
-
-void msm_dp_catalog_write_audio_stream(struct msm_dp_catalog *msm_dp_catalog,
-				       struct dp_sdp_header *sdp_hdr)
-{
-	u32 header[2];
-
-	msm_dp_utils_pack_sdp_header(sdp_hdr, header);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_STREAM_0, header[0]);
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_STREAM_1, header[1]);
-}
-
-void msm_dp_catalog_write_audio_timestamp(struct msm_dp_catalog *msm_dp_catalog,
-					  struct dp_sdp_header *sdp_hdr)
-{
-	u32 header[2];
-
-	msm_dp_utils_pack_sdp_header(sdp_hdr, header);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_TIMESTAMP_0, header[0]);
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_TIMESTAMP_1, header[1]);
-}
-
-void msm_dp_catalog_write_audio_infoframe(struct msm_dp_catalog *msm_dp_catalog,
-					  struct dp_sdp_header *sdp_hdr)
-{
-	u32 header[2];
-
-	msm_dp_utils_pack_sdp_header(sdp_hdr, header);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_INFOFRAME_0, header[0]);
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_INFOFRAME_1, header[1]);
-}
-
-void msm_dp_catalog_write_audio_copy_mgmt(struct msm_dp_catalog *msm_dp_catalog,
-					  struct dp_sdp_header *sdp_hdr)
-{
-	u32 header[2];
-
-	msm_dp_utils_pack_sdp_header(sdp_hdr, header);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_COPYMANAGEMENT_0, header[0]);
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_COPYMANAGEMENT_1, header[1]);
-}
-
-void msm_dp_catalog_write_audio_isrc(struct msm_dp_catalog *msm_dp_catalog,
-				     struct dp_sdp_header *sdp_hdr)
-{
-	struct dp_sdp_header tmp = *sdp_hdr;
-	u32 header[2];
-	u32 reg;
-
-	/* XXX: is it necessary to preserve this field? */
-	reg = msm_dp_read_link(msm_dp_catalog, MMSS_DP_AUDIO_ISRC_1);
-	tmp.HB3 = FIELD_GET(HEADER_3_MASK, reg);
-
-	msm_dp_utils_pack_sdp_header(&tmp, header);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_ISRC_0, header[0]);
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_ISRC_1, header[1]);
-}
-
-void msm_dp_catalog_audio_config_acr(struct msm_dp_catalog *msm_dp_catalog, u32 select)
-{
-	struct msm_dp_catalog_private *catalog;
-	u32 acr_ctrl;
-
-	if (!msm_dp_catalog)
-		return;
-
-	catalog = container_of(msm_dp_catalog,
-		struct msm_dp_catalog_private, msm_dp_catalog);
-
-	acr_ctrl = select << 4 | BIT(31) | BIT(8) | BIT(14);
-
-	drm_dbg_dp(catalog->drm_dev, "select: %#x, acr_ctrl: %#x\n",
-					select, acr_ctrl);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_ACR_CTRL, acr_ctrl);
-}
-
-void msm_dp_catalog_audio_enable(struct msm_dp_catalog *msm_dp_catalog, bool enable)
-{
-	struct msm_dp_catalog_private *catalog;
-	u32 audio_ctrl;
-
-	if (!msm_dp_catalog)
-		return;
-
-	catalog = container_of(msm_dp_catalog,
-		struct msm_dp_catalog_private, msm_dp_catalog);
-
-	audio_ctrl = msm_dp_read_link(msm_dp_catalog, MMSS_DP_AUDIO_CFG);
-
-	if (enable)
-		audio_ctrl |= BIT(0);
-	else
-		audio_ctrl &= ~BIT(0);
-
-	drm_dbg_dp(catalog->drm_dev, "dp_audio_cfg = 0x%x\n", audio_ctrl);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_AUDIO_CFG, audio_ctrl);
-	/* make sure audio engine is disabled */
-	wmb();
-}
-
-void msm_dp_catalog_audio_config_sdp(struct msm_dp_catalog *msm_dp_catalog)
-{
-	struct msm_dp_catalog_private *catalog;
-	u32 sdp_cfg = 0;
-	u32 sdp_cfg2 = 0;
-
-	if (!msm_dp_catalog)
-		return;
-
-	catalog = container_of(msm_dp_catalog,
-		struct msm_dp_catalog_private, msm_dp_catalog);
-
-	sdp_cfg = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG);
-	/* AUDIO_TIMESTAMP_SDP_EN */
-	sdp_cfg |= BIT(1);
-	/* AUDIO_STREAM_SDP_EN */
-	sdp_cfg |= BIT(2);
-	/* AUDIO_COPY_MANAGEMENT_SDP_EN */
-	sdp_cfg |= BIT(5);
-	/* AUDIO_ISRC_SDP_EN  */
-	sdp_cfg |= BIT(6);
-	/* AUDIO_INFOFRAME_SDP_EN  */
-	sdp_cfg |= BIT(20);
-
-	drm_dbg_dp(catalog->drm_dev, "sdp_cfg = 0x%x\n", sdp_cfg);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG, sdp_cfg);
-
-	sdp_cfg2 = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG2);
-	/* IFRM_REGSRC -> Do not use reg values */
-	sdp_cfg2 &= ~BIT(0);
-	/* AUDIO_STREAM_HB3_REGSRC-> Do not use reg values */
-	sdp_cfg2 &= ~BIT(1);
-
-	drm_dbg_dp(catalog->drm_dev, "sdp_cfg2 = 0x%x\n", sdp_cfg2);
-
-	msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG2, sdp_cfg2);
-}
-
-void msm_dp_catalog_audio_sfe_level(struct msm_dp_catalog *msm_dp_catalog, u32 safe_to_exit_level)
-{
-	struct msm_dp_catalog_private *catalog;
-	u32 mainlink_levels;
-
-	if (!msm_dp_catalog)
-		return;
-
-	catalog = container_of(msm_dp_catalog,
-		struct msm_dp_catalog_private, msm_dp_catalog);
-
-	mainlink_levels = msm_dp_read_link(msm_dp_catalog, REG_DP_MAINLINK_LEVELS);
-	mainlink_levels &= 0xFE0;
-	mainlink_levels |= safe_to_exit_level;
-
-	drm_dbg_dp(catalog->drm_dev,
-			"mainlink_level = 0x%x, safe_to_exit_level = 0x%x\n",
-			 mainlink_levels, safe_to_exit_level);
-
-	msm_dp_write_link(msm_dp_catalog, REG_DP_MAINLINK_LEVELS, mainlink_levels);
-}
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h
index f652745ae3fd5fe322b7a59b78446ec5b71c044d..a6d662f5a0d95cdb8f40a9d03be1e7627907b176 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.h
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.h
@@ -130,20 +130,4 @@ u32 msm_dp_catalog_ctrl_read_psr_interrupt_status(struct msm_dp_catalog *msm_dp_
 
 struct msm_dp_catalog *msm_dp_catalog_get(struct device *dev);
 
-/* DP Audio APIs */
-void msm_dp_catalog_write_audio_stream(struct msm_dp_catalog *msm_dp_catalog,
-				       struct dp_sdp_header *sdp_hdr);
-void msm_dp_catalog_write_audio_timestamp(struct msm_dp_catalog *msm_dp_catalog,
-					  struct dp_sdp_header *sdp_hdr);
-void msm_dp_catalog_write_audio_infoframe(struct msm_dp_catalog *msm_dp_catalog,
-					  struct dp_sdp_header *sdp_hdr);
-void msm_dp_catalog_write_audio_copy_mgmt(struct msm_dp_catalog *msm_dp_catalog,
-					  struct dp_sdp_header *sdp_hdr);
-void msm_dp_catalog_write_audio_isrc(struct msm_dp_catalog *msm_dp_catalog,
-				     struct dp_sdp_header *sdp_hdr);
-void msm_dp_catalog_audio_config_acr(struct msm_dp_catalog *catalog, u32 select);
-void msm_dp_catalog_audio_enable(struct msm_dp_catalog *catalog, bool enable);
-void msm_dp_catalog_audio_config_sdp(struct msm_dp_catalog *catalog);
-void msm_dp_catalog_audio_sfe_level(struct msm_dp_catalog *catalog, u32 safe_to_exit_level);
-
 #endif /* _DP_CATALOG_H_ */
