diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index 96c10b3991aa..8beac1065025 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -232,6 +232,4 @@
 /* HDMI blocks at 0x7030, 0x7c30, 0x10830, 0x11430, 0x12030, 0x12c30 */
 #define EVERGREEN_HDMI_BASE				0x7030
 
-#define EVERGREEN_HDMI_CONFIG_OFFSET			0xf0
-
 #endif
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 37ac1b06753e..06e273e36b12 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -485,14 +485,9 @@ static void r600_hdmi_assign_block(struct drm_encoder *encoder)
 		}
 		radeon_encoder->hdmi_offset = EVERGREEN_HDMI_BASE +
 						eg_offsets[dig->dig_encoder];
-		radeon_encoder->hdmi_config_offset = radeon_encoder->hdmi_offset
-						+ EVERGREEN_HDMI_CONFIG_OFFSET;
 	} else if (ASIC_IS_DCE3(rdev)) {
 		radeon_encoder->hdmi_offset = dig->dig_encoder ?
 			R600_HDMI_BLOCK3 : R600_HDMI_BLOCK1;
-		if (ASIC_IS_DCE32(rdev))
-			radeon_encoder->hdmi_config_offset = dig->dig_encoder ?
-				R600_HDMI_CONFIG2 : R600_HDMI_CONFIG1;
 	} else if (rdev->family >= CHIP_R600 || rdev->family == CHIP_RS600 ||
 		   rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
 		radeon_encoder->hdmi_offset = r600_hdmi_find_free_block(dev);
@@ -525,9 +520,9 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
 	if (ASIC_IS_DCE5(rdev)) {
 		/* TODO */
 	} else if (ASIC_IS_DCE4(rdev)) {
-		WREG32_P(radeon_encoder->hdmi_config_offset + 0xc, 0x1, ~0x1);
+		WREG32_P(radeon_encoder->hdmi_offset + EVERGREEN_AUDIO_PACKET_CNTL, 0x1, ~0x1);
 	} else if (ASIC_IS_DCE32(rdev)) {
-		WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0x1, ~0x1);
+		WREG32_P(radeon_encoder->hdmi_offset + R600_HDMI_AUDIO_PACKET_CNTL, 0x1, ~0x1);
 	} else if (ASIC_IS_DCE3(rdev)) {
 		/* TODO */
 	} else if (rdev->family >= CHIP_R600) {
@@ -588,9 +583,9 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
 	if (ASIC_IS_DCE5(rdev)) {
 		/* TODO */
 	} else if (ASIC_IS_DCE4(rdev)) {
-		WREG32_P(radeon_encoder->hdmi_config_offset + 0xc, 0, ~0x1);
+		WREG32_P(radeon_encoder->hdmi_offset + EVERGREEN_AUDIO_PACKET_CNTL, 0, ~0x1);
 	} else if (ASIC_IS_DCE32(rdev)) {
-		WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0, ~0x1);
+		WREG32_P(radeon_encoder->hdmi_offset + R600_HDMI_AUDIO_PACKET_CNTL, 0, ~0x1);
 	} else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
 		switch (radeon_encoder->encoder_id) {
 		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
@@ -610,5 +605,4 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
 	}
 
 	radeon_encoder->hdmi_offset = 0;
-	radeon_encoder->hdmi_config_offset = 0;
 }
diff --git a/drivers/gpu/drm/radeon/r600_reg.h b/drivers/gpu/drm/radeon/r600_reg.h
index f869897c7456..24c94123d7ce 100644
--- a/drivers/gpu/drm/radeon/r600_reg.h
+++ b/drivers/gpu/drm/radeon/r600_reg.h
@@ -192,9 +192,7 @@
 #define R600_HDMI_AUDIO_DEBUG_1         0xe4
 #define R600_HDMI_AUDIO_DEBUG_2         0xe8
 #define R600_HDMI_AUDIO_DEBUG_3         0xec
-
-/* HDMI additional config base register addresses */
-#define R600_HDMI_CONFIG1                 0x7600
-#define R600_HDMI_CONFIG2                 0x7a00
+#define R600_HDMI_AUDIO_PACKET_CNTL	0x204
+#define EVERGREEN_AUDIO_PACKET_CNTL	0xfc
 
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index b2cca6a2395c..228b3818e48d 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -385,7 +385,6 @@ struct radeon_encoder {
 	void *enc_priv;
 	int audio_polling_active;
 	int hdmi_offset;
-	int hdmi_config_offset;
 	int hdmi_audio_workaround;
 	int hdmi_buffer_status;
 	bool is_ext_encoder;