diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 467786d25348f815f3e03f4614b5b90df6d27a0b..f04449f9b1d5654a9091bfa47e5917e5773cb36e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2417,8 +2417,10 @@ struct drm_i915_private {
 
 			int metrics_set;
 
-			const struct i915_oa_reg *mux_regs;
-			int mux_regs_len;
+			const struct i915_oa_reg *mux_regs[1];
+			int mux_regs_lens[1];
+			int n_mux_configs;
+
 			const struct i915_oa_reg *b_counter_regs;
 			int b_counter_regs_len;
 
diff --git a/drivers/gpu/drm/i915/i915_oa_hsw.c b/drivers/gpu/drm/i915/i915_oa_hsw.c
index 4ddf756add31b82635b0bb2534d8b0d6ccb02e8b..8c13e0880e531734517c7cd946191f45ba2cb14c 100644
--- a/drivers/gpu/drm/i915/i915_oa_hsw.c
+++ b/drivers/gpu/drm/i915/i915_oa_hsw.c
@@ -1,5 +1,7 @@
 /*
- * Autogenerated file, DO NOT EDIT manually!
+ * Autogenerated file by GPU Top : https://github.com/rib/gputop
+ * DO NOT EDIT manually!
+ *
  *
  * Copyright (c) 2015 Intel Corporation
  *
@@ -109,12 +111,21 @@ static const struct i915_oa_reg mux_config_render_basic[] = {
 	{ _MMIO(0x25428), 0x00042049 },
 };
 
-static const struct i915_oa_reg *
+static int
 get_render_basic_mux_config(struct drm_i915_private *dev_priv,
-			    int *len)
+			    const struct i915_oa_reg **regs,
+			    int *lens)
 {
-	*len = ARRAY_SIZE(mux_config_render_basic);
-	return mux_config_render_basic;
+	int n = 0;
+
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs) < 1);
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs_lens) < 1);
+
+	regs[n] = mux_config_render_basic;
+	lens[n] = ARRAY_SIZE(mux_config_render_basic);
+	n++;
+
+	return n;
 }
 
 static const struct i915_oa_reg b_counter_config_compute_basic[] = {
@@ -172,12 +183,21 @@ static const struct i915_oa_reg mux_config_compute_basic[] = {
 	{ _MMIO(0x25428), 0x00000c03 },
 };
 
-static const struct i915_oa_reg *
+static int
 get_compute_basic_mux_config(struct drm_i915_private *dev_priv,
-			     int *len)
+			     const struct i915_oa_reg **regs,
+			     int *lens)
 {
-	*len = ARRAY_SIZE(mux_config_compute_basic);
-	return mux_config_compute_basic;
+	int n = 0;
+
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs) < 1);
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs_lens) < 1);
+
+	regs[n] = mux_config_compute_basic;
+	lens[n] = ARRAY_SIZE(mux_config_compute_basic);
+	n++;
+
+	return n;
 }
 
 static const struct i915_oa_reg b_counter_config_compute_extended[] = {
@@ -221,12 +241,21 @@ static const struct i915_oa_reg mux_config_compute_extended[] = {
 	{ _MMIO(0x25428), 0x00000000 },
 };
 
-static const struct i915_oa_reg *
+static int
 get_compute_extended_mux_config(struct drm_i915_private *dev_priv,
-				int *len)
+				const struct i915_oa_reg **regs,
+				int *lens)
 {
-	*len = ARRAY_SIZE(mux_config_compute_extended);
-	return mux_config_compute_extended;
+	int n = 0;
+
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs) < 1);
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs_lens) < 1);
+
+	regs[n] = mux_config_compute_extended;
+	lens[n] = ARRAY_SIZE(mux_config_compute_extended);
+	n++;
+
+	return n;
 }
 
 static const struct i915_oa_reg b_counter_config_memory_reads[] = {
@@ -281,12 +310,21 @@ static const struct i915_oa_reg mux_config_memory_reads[] = {
 	{ _MMIO(0x25428), 0x00000000 },
 };
 
-static const struct i915_oa_reg *
+static int
 get_memory_reads_mux_config(struct drm_i915_private *dev_priv,
-			    int *len)
+			    const struct i915_oa_reg **regs,
+			    int *lens)
 {
-	*len = ARRAY_SIZE(mux_config_memory_reads);
-	return mux_config_memory_reads;
+	int n = 0;
+
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs) < 1);
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs_lens) < 1);
+
+	regs[n] = mux_config_memory_reads;
+	lens[n] = ARRAY_SIZE(mux_config_memory_reads);
+	n++;
+
+	return n;
 }
 
 static const struct i915_oa_reg b_counter_config_memory_writes[] = {
@@ -341,12 +379,21 @@ static const struct i915_oa_reg mux_config_memory_writes[] = {
 	{ _MMIO(0x25428), 0x00000000 },
 };
 
-static const struct i915_oa_reg *
+static int
 get_memory_writes_mux_config(struct drm_i915_private *dev_priv,
-			     int *len)
+			     const struct i915_oa_reg **regs,
+			     int *lens)
 {
-	*len = ARRAY_SIZE(mux_config_memory_writes);
-	return mux_config_memory_writes;
+	int n = 0;
+
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs) < 1);
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs_lens) < 1);
+
+	regs[n] = mux_config_memory_writes;
+	lens[n] = ARRAY_SIZE(mux_config_memory_writes);
+	n++;
+
+	return n;
 }
 
 static const struct i915_oa_reg b_counter_config_sampler_balance[] = {
@@ -401,31 +448,40 @@ static const struct i915_oa_reg mux_config_sampler_balance[] = {
 	{ _MMIO(0x25428), 0x0004a54a },
 };
 
-static const struct i915_oa_reg *
+static int
 get_sampler_balance_mux_config(struct drm_i915_private *dev_priv,
-			       int *len)
+			       const struct i915_oa_reg **regs,
+			       int *lens)
 {
-	*len = ARRAY_SIZE(mux_config_sampler_balance);
-	return mux_config_sampler_balance;
+	int n = 0;
+
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs) < 1);
+	BUILD_BUG_ON(ARRAY_SIZE(dev_priv->perf.oa.mux_regs_lens) < 1);
+
+	regs[n] = mux_config_sampler_balance;
+	lens[n] = ARRAY_SIZE(mux_config_sampler_balance);
+	n++;
+
+	return n;
 }
 
 int i915_oa_select_metric_set_hsw(struct drm_i915_private *dev_priv)
 {
-	dev_priv->perf.oa.mux_regs = NULL;
-	dev_priv->perf.oa.mux_regs_len = 0;
+	dev_priv->perf.oa.n_mux_configs = 0;
 	dev_priv->perf.oa.b_counter_regs = NULL;
 	dev_priv->perf.oa.b_counter_regs_len = 0;
 
 	switch (dev_priv->perf.oa.metrics_set) {
 	case METRIC_SET_ID_RENDER_BASIC:
-		dev_priv->perf.oa.mux_regs =
+		dev_priv->perf.oa.n_mux_configs =
 			get_render_basic_mux_config(dev_priv,
-						    &dev_priv->perf.oa.mux_regs_len);
-		if (!dev_priv->perf.oa.mux_regs) {
-			DRM_DEBUG_DRIVER("No suitable MUX config for \"RENDER_BASIC\" metric set");
+						    dev_priv->perf.oa.mux_regs,
+						    dev_priv->perf.oa.mux_regs_lens);
+		if (dev_priv->perf.oa.n_mux_configs == 0) {
+			DRM_DEBUG_DRIVER("No suitable MUX config for \"RENDER_BASIC\" metric set\n");
 
 			/* EINVAL because *_register_sysfs already checked this
-			 * and so it wouldn't have been advertised so userspace and
+			 * and so it wouldn't have been advertised to userspace and
 			 * so shouldn't have been requested
 			 */
 			return -EINVAL;
@@ -438,14 +494,15 @@ int i915_oa_select_metric_set_hsw(struct drm_i915_private *dev_priv)
 
 		return 0;
 	case METRIC_SET_ID_COMPUTE_BASIC:
-		dev_priv->perf.oa.mux_regs =
+		dev_priv->perf.oa.n_mux_configs =
 			get_compute_basic_mux_config(dev_priv,
-						     &dev_priv->perf.oa.mux_regs_len);
-		if (!dev_priv->perf.oa.mux_regs) {
-			DRM_DEBUG_DRIVER("No suitable MUX config for \"COMPUTE_BASIC\" metric set");
+						     dev_priv->perf.oa.mux_regs,
+						     dev_priv->perf.oa.mux_regs_lens);
+		if (dev_priv->perf.oa.n_mux_configs == 0) {
+			DRM_DEBUG_DRIVER("No suitable MUX config for \"COMPUTE_BASIC\" metric set\n");
 
 			/* EINVAL because *_register_sysfs already checked this
-			 * and so it wouldn't have been advertised so userspace and
+			 * and so it wouldn't have been advertised to userspace and
 			 * so shouldn't have been requested
 			 */
 			return -EINVAL;
@@ -458,14 +515,15 @@ int i915_oa_select_metric_set_hsw(struct drm_i915_private *dev_priv)
 
 		return 0;
 	case METRIC_SET_ID_COMPUTE_EXTENDED:
-		dev_priv->perf.oa.mux_regs =
+		dev_priv->perf.oa.n_mux_configs =
 			get_compute_extended_mux_config(dev_priv,
-							&dev_priv->perf.oa.mux_regs_len);
-		if (!dev_priv->perf.oa.mux_regs) {
-			DRM_DEBUG_DRIVER("No suitable MUX config for \"COMPUTE_EXTENDED\" metric set");
+							dev_priv->perf.oa.mux_regs,
+							dev_priv->perf.oa.mux_regs_lens);
+		if (dev_priv->perf.oa.n_mux_configs == 0) {
+			DRM_DEBUG_DRIVER("No suitable MUX config for \"COMPUTE_EXTENDED\" metric set\n");
 
 			/* EINVAL because *_register_sysfs already checked this
-			 * and so it wouldn't have been advertised so userspace and
+			 * and so it wouldn't have been advertised to userspace and
 			 * so shouldn't have been requested
 			 */
 			return -EINVAL;
@@ -478,14 +536,15 @@ int i915_oa_select_metric_set_hsw(struct drm_i915_private *dev_priv)
 
 		return 0;
 	case METRIC_SET_ID_MEMORY_READS:
-		dev_priv->perf.oa.mux_regs =
+		dev_priv->perf.oa.n_mux_configs =
 			get_memory_reads_mux_config(dev_priv,
-						    &dev_priv->perf.oa.mux_regs_len);
-		if (!dev_priv->perf.oa.mux_regs) {
-			DRM_DEBUG_DRIVER("No suitable MUX config for \"MEMORY_READS\" metric set");
+						    dev_priv->perf.oa.mux_regs,
+						    dev_priv->perf.oa.mux_regs_lens);
+		if (dev_priv->perf.oa.n_mux_configs == 0) {
+			DRM_DEBUG_DRIVER("No suitable MUX config for \"MEMORY_READS\" metric set\n");
 
 			/* EINVAL because *_register_sysfs already checked this
-			 * and so it wouldn't have been advertised so userspace and
+			 * and so it wouldn't have been advertised to userspace and
 			 * so shouldn't have been requested
 			 */
 			return -EINVAL;
@@ -498,14 +557,15 @@ int i915_oa_select_metric_set_hsw(struct drm_i915_private *dev_priv)
 
 		return 0;
 	case METRIC_SET_ID_MEMORY_WRITES:
-		dev_priv->perf.oa.mux_regs =
+		dev_priv->perf.oa.n_mux_configs =
 			get_memory_writes_mux_config(dev_priv,
-						     &dev_priv->perf.oa.mux_regs_len);
-		if (!dev_priv->perf.oa.mux_regs) {
-			DRM_DEBUG_DRIVER("No suitable MUX config for \"MEMORY_WRITES\" metric set");
+						     dev_priv->perf.oa.mux_regs,
+						     dev_priv->perf.oa.mux_regs_lens);
+		if (dev_priv->perf.oa.n_mux_configs == 0) {
+			DRM_DEBUG_DRIVER("No suitable MUX config for \"MEMORY_WRITES\" metric set\n");
 
 			/* EINVAL because *_register_sysfs already checked this
-			 * and so it wouldn't have been advertised so userspace and
+			 * and so it wouldn't have been advertised to userspace and
 			 * so shouldn't have been requested
 			 */
 			return -EINVAL;
@@ -518,14 +578,15 @@ int i915_oa_select_metric_set_hsw(struct drm_i915_private *dev_priv)
 
 		return 0;
 	case METRIC_SET_ID_SAMPLER_BALANCE:
-		dev_priv->perf.oa.mux_regs =
+		dev_priv->perf.oa.n_mux_configs =
 			get_sampler_balance_mux_config(dev_priv,
-						       &dev_priv->perf.oa.mux_regs_len);
-		if (!dev_priv->perf.oa.mux_regs) {
-			DRM_DEBUG_DRIVER("No suitable MUX config for \"SAMPLER_BALANCE\" metric set");
+						       dev_priv->perf.oa.mux_regs,
+						       dev_priv->perf.oa.mux_regs_lens);
+		if (dev_priv->perf.oa.n_mux_configs == 0) {
+			DRM_DEBUG_DRIVER("No suitable MUX config for \"SAMPLER_BALANCE\" metric set\n");
 
 			/* EINVAL because *_register_sysfs already checked this
-			 * and so it wouldn't have been advertised so userspace and
+			 * and so it wouldn't have been advertised to userspace and
 			 * so shouldn't have been requested
 			 */
 			return -EINVAL;
@@ -677,35 +738,36 @@ static struct attribute_group group_sampler_balance = {
 int
 i915_perf_register_sysfs_hsw(struct drm_i915_private *dev_priv)
 {
-	int mux_len;
+	const struct i915_oa_reg *mux_regs[ARRAY_SIZE(dev_priv->perf.oa.mux_regs)];
+	int mux_lens[ARRAY_SIZE(dev_priv->perf.oa.mux_regs_lens)];
 	int ret = 0;
 
-	if (get_render_basic_mux_config(dev_priv, &mux_len)) {
+	if (get_render_basic_mux_config(dev_priv, mux_regs, mux_lens)) {
 		ret = sysfs_create_group(dev_priv->perf.metrics_kobj, &group_render_basic);
 		if (ret)
 			goto error_render_basic;
 	}
-	if (get_compute_basic_mux_config(dev_priv, &mux_len)) {
+	if (get_compute_basic_mux_config(dev_priv, mux_regs, mux_lens)) {
 		ret = sysfs_create_group(dev_priv->perf.metrics_kobj, &group_compute_basic);
 		if (ret)
 			goto error_compute_basic;
 	}
-	if (get_compute_extended_mux_config(dev_priv, &mux_len)) {
+	if (get_compute_extended_mux_config(dev_priv, mux_regs, mux_lens)) {
 		ret = sysfs_create_group(dev_priv->perf.metrics_kobj, &group_compute_extended);
 		if (ret)
 			goto error_compute_extended;
 	}
-	if (get_memory_reads_mux_config(dev_priv, &mux_len)) {
+	if (get_memory_reads_mux_config(dev_priv, mux_regs, mux_lens)) {
 		ret = sysfs_create_group(dev_priv->perf.metrics_kobj, &group_memory_reads);
 		if (ret)
 			goto error_memory_reads;
 	}
-	if (get_memory_writes_mux_config(dev_priv, &mux_len)) {
+	if (get_memory_writes_mux_config(dev_priv, mux_regs, mux_lens)) {
 		ret = sysfs_create_group(dev_priv->perf.metrics_kobj, &group_memory_writes);
 		if (ret)
 			goto error_memory_writes;
 	}
-	if (get_sampler_balance_mux_config(dev_priv, &mux_len)) {
+	if (get_sampler_balance_mux_config(dev_priv, mux_regs, mux_lens)) {
 		ret = sysfs_create_group(dev_priv->perf.metrics_kobj, &group_sampler_balance);
 		if (ret)
 			goto error_sampler_balance;
@@ -714,19 +776,19 @@ i915_perf_register_sysfs_hsw(struct drm_i915_private *dev_priv)
 	return 0;
 
 error_sampler_balance:
-	if (get_sampler_balance_mux_config(dev_priv, &mux_len))
+	if (get_memory_writes_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_memory_writes);
 error_memory_writes:
-	if (get_sampler_balance_mux_config(dev_priv, &mux_len))
+	if (get_memory_reads_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_memory_reads);
 error_memory_reads:
-	if (get_sampler_balance_mux_config(dev_priv, &mux_len))
+	if (get_compute_extended_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_compute_extended);
 error_compute_extended:
-	if (get_sampler_balance_mux_config(dev_priv, &mux_len))
+	if (get_compute_basic_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_compute_basic);
 error_compute_basic:
-	if (get_sampler_balance_mux_config(dev_priv, &mux_len))
+	if (get_render_basic_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_render_basic);
 error_render_basic:
 	return ret;
@@ -735,18 +797,19 @@ i915_perf_register_sysfs_hsw(struct drm_i915_private *dev_priv)
 void
 i915_perf_unregister_sysfs_hsw(struct drm_i915_private *dev_priv)
 {
-	int mux_len;
+	const struct i915_oa_reg *mux_regs[ARRAY_SIZE(dev_priv->perf.oa.mux_regs)];
+	int mux_lens[ARRAY_SIZE(dev_priv->perf.oa.mux_regs_lens)];
 
-	if (get_render_basic_mux_config(dev_priv, &mux_len))
+	if (get_render_basic_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_render_basic);
-	if (get_compute_basic_mux_config(dev_priv, &mux_len))
+	if (get_compute_basic_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_compute_basic);
-	if (get_compute_extended_mux_config(dev_priv, &mux_len))
+	if (get_compute_extended_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_compute_extended);
-	if (get_memory_reads_mux_config(dev_priv, &mux_len))
+	if (get_memory_reads_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_memory_reads);
-	if (get_memory_writes_mux_config(dev_priv, &mux_len))
+	if (get_memory_writes_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_memory_writes);
-	if (get_sampler_balance_mux_config(dev_priv, &mux_len))
+	if (get_sampler_balance_mux_config(dev_priv, mux_regs, mux_lens))
 		sysfs_remove_group(dev_priv->perf.metrics_kobj, &group_sampler_balance);
 }
diff --git a/drivers/gpu/drm/i915/i915_oa_hsw.h b/drivers/gpu/drm/i915/i915_oa_hsw.h
index 429a229b5158e4e03990c89a0f6ac0a73cf260bf..6fe7e0690ef3362cc2649d9acd5788e2c9d24218 100644
--- a/drivers/gpu/drm/i915/i915_oa_hsw.h
+++ b/drivers/gpu/drm/i915/i915_oa_hsw.h
@@ -1,5 +1,7 @@
 /*
- * Autogenerated file, DO NOT EDIT manually!
+ * Autogenerated file by GPU Top : https://github.com/rib/gputop
+ * DO NOT EDIT manually!
+ *
  *
  * Copyright (c) 2015 Intel Corporation
  *
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 85269bcc8372c623021d278942e1cc3461cbeb95..7e56b895fd3400f5065323e872202792c67793ae 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1047,6 +1047,7 @@ static void config_oa_regs(struct drm_i915_private *dev_priv,
 static int hsw_enable_metric_set(struct drm_i915_private *dev_priv)
 {
 	int ret = i915_oa_select_metric_set_hsw(dev_priv);
+	int i;
 
 	if (ret)
 		return ret;
@@ -1068,8 +1069,10 @@ static int hsw_enable_metric_set(struct drm_i915_private *dev_priv)
 	I915_WRITE(GEN6_UCGCTL1, (I915_READ(GEN6_UCGCTL1) |
 				  GEN6_CSUNIT_CLOCK_GATE_DISABLE));
 
-	config_oa_regs(dev_priv, dev_priv->perf.oa.mux_regs,
-		       dev_priv->perf.oa.mux_regs_len);
+	for (i = 0; i < dev_priv->perf.oa.n_mux_configs; i++) {
+		config_oa_regs(dev_priv, dev_priv->perf.oa.mux_regs[i],
+			       dev_priv->perf.oa.mux_regs_lens[i]);
+	}
 
 	/* It apparently takes a fairly long time for a new MUX
 	 * configuration to be be applied after these register writes.