diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index faf983680040..e2d83cd085b5 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -280,8 +280,10 @@ config QCOM_FASTRPC
 	tristate "Qualcomm FastRPC"
 	depends on ARCH_QCOM || COMPILE_TEST
 	depends on RPMSG
+	depends on NET
 	select DMA_SHARED_BUFFER
 	select QCOM_SCM
+	select QCOM_PDR_HELPERS
 	help
 	  Provides a communication mechanism that allows for clients to
 	  make remote method invocations across processor boundary to
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 3e1ab58038ed..d115860fc356 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -22,6 +22,7 @@
 #include <linux/firmware/qcom/qcom_scm.h>
 #include <uapi/misc/fastrpc.h>
 #include <linux/of_reserved_mem.h>
+#include <linux/soc/qcom/pdr.h>
 
 #define ADSP_DOMAIN_ID (0)
 #define MDSP_DOMAIN_ID (1)
@@ -29,6 +30,7 @@
 #define CDSP_DOMAIN_ID (3)
 #define FASTRPC_DEV_MAX		4 /* adsp, mdsp, slpi, cdsp*/
 #define FASTRPC_MAX_SESSIONS	14
+#define FASTRPC_MAX_SPD		4
 #define FASTRPC_MAX_VMIDS	16
 #define FASTRPC_ALIGN		128
 #define FASTRPC_MAX_FDLIST	16
@@ -105,6 +107,18 @@
 
 #define miscdev_to_fdevice(d) container_of(d, struct fastrpc_device, miscdev)
 
+#define AUDIO_PDR_SERVICE_LOCATION_CLIENT_NAME   "audio_pdr_adsp"
+#define AUDIO_PDR_ADSP_SERVICE_NAME              "avs/audio"
+#define ADSP_AUDIOPD_NAME                        "msm/adsp/audio_pd"
+
+#define SENSORS_PDR_ADSP_SERVICE_LOCATION_CLIENT_NAME   "sensors_pdr_adsp"
+#define SENSORS_PDR_ADSP_SERVICE_NAME              "tms/servreg"
+#define ADSP_SENSORPD_NAME                       "msm/adsp/sensor_pd"
+
+#define SENSORS_PDR_SLPI_SERVICE_LOCATION_CLIENT_NAME "sensors_pdr_slpi"
+#define SENSORS_PDR_SLPI_SERVICE_NAME            SENSORS_PDR_ADSP_SERVICE_NAME
+#define SLPI_SENSORPD_NAME                       "msm/slpi/sensor_pd"
+
 static const char *domains[FASTRPC_DEV_MAX] = { "adsp", "mdsp",
 						"sdsp", "cdsp"};
 struct fastrpc_phy_page {
@@ -259,6 +273,15 @@ struct fastrpc_session_ctx {
 	bool valid;
 };
 
+struct fastrpc_static_pd {
+	char *servloc_name;
+	char *spdname;
+	void *pdrhandle;
+	struct fastrpc_channel_ctx *cctx;
+	struct fastrpc_user *fl;
+	bool ispdup;
+};
+
 struct fastrpc_channel_ctx {
 	int domain_id;
 	int sesscount;
@@ -266,6 +289,7 @@ struct fastrpc_channel_ctx {
 	struct qcom_scm_vmperm vmperms[FASTRPC_MAX_VMIDS];
 	struct rpmsg_device *rpdev;
 	struct fastrpc_session_ctx session[FASTRPC_MAX_SESSIONS];
+	struct fastrpc_static_pd spd[FASTRPC_MAX_SPD];
 	spinlock_t lock;
 	struct idr ctx_idr;
 	struct list_head users;
@@ -297,10 +321,12 @@ struct fastrpc_user {
 	struct fastrpc_channel_ctx *cctx;
 	struct fastrpc_session_ctx *sctx;
 	struct fastrpc_buf *init_mem;
+	struct fastrpc_static_pd *spd;
 
 	int tgid;
 	int pd;
 	bool is_secure_dev;
+	char *servloc_name;
 	/* Lock for lists */
 	spinlock_t lock;
 	/* lock for allocations */
@@ -1230,12 +1256,33 @@ static bool is_session_rejected(struct fastrpc_user *fl, bool unsigned_pd_reques
 	return false;
 }
 
+static struct fastrpc_static_pd *fastrpc_get_spd_session(
+				struct fastrpc_user *fl)
+{
+	int i;
+	struct fastrpc_static_pd *spd = NULL;
+	struct fastrpc_channel_ctx *cctx = fl->cctx;
+
+	for (i = 0; i < FASTRPC_MAX_SPD ; i++) {
+		if (!cctx->spd[i].servloc_name)
+			continue;
+		if (!strcmp(fl->servloc_name, cctx->spd[i].servloc_name)) {
+			spd = &cctx->spd[i];
+			spd->fl = fl;
+			break;
+		}
+	}
+
+	return spd;
+}
+
 static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
 					      char __user *argp)
 {
 	struct fastrpc_init_create_static init;
 	struct fastrpc_invoke_args *args;
 	struct fastrpc_phy_page pages[1];
+	struct fastrpc_static_pd *spd = NULL;
 	char *name;
 	int err;
 	struct {
@@ -1270,6 +1317,19 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
 		goto err_name;
 	}
 
+	fl->servloc_name = AUDIO_PDR_SERVICE_LOCATION_CLIENT_NAME;
+
+	spd = fastrpc_get_spd_session(fl);
+	if (!spd) {
+		err = -EUSERS;
+		goto err_name;
+	}
+
+	if (!spd->ispdup) {
+		err = -ENOTCONN;
+		goto err_name;
+	}
+	fl->spd = spd;
 	if (!fl->cctx->remote_heap) {
 		err = fastrpc_remote_heap_alloc(fl, fl->sctx->dev, init.memlen,
 						&fl->cctx->remote_heap);
@@ -1645,6 +1705,7 @@ static int fastrpc_dmabuf_alloc(struct fastrpc_user *fl, char __user *argp)
 static int fastrpc_init_attach(struct fastrpc_user *fl, int pd)
 {
 	struct fastrpc_invoke_args args[1];
+	struct fastrpc_static_pd *spd = NULL;
 	int tgid = fl->tgid;
 	u32 sc;
 
@@ -1654,6 +1715,22 @@ static int fastrpc_init_attach(struct fastrpc_user *fl, int pd)
 	sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_ATTACH, 1, 0);
 	fl->pd = pd;
 
+	if (pd == SENSORS_PD) {
+		if (fl->cctx->domain_id == ADSP_DOMAIN_ID)
+			fl->servloc_name = SENSORS_PDR_ADSP_SERVICE_LOCATION_CLIENT_NAME;
+		else if (fl->cctx->domain_id == SDSP_DOMAIN_ID)
+			fl->servloc_name = SENSORS_PDR_SLPI_SERVICE_LOCATION_CLIENT_NAME;
+
+		spd = fastrpc_get_spd_session(fl);
+		if (!spd)
+			return -EUSERS;
+
+		if (!spd->ispdup)
+			return -ENOTCONN;
+
+		fl->spd = spd;
+	}
+
 	return fastrpc_internal_invoke(fl, true, FASTRPC_INIT_HANDLE,
 				       sc, &args[0]);
 }
@@ -2129,6 +2206,64 @@ static long fastrpc_device_ioctl(struct file *file, unsigned int cmd,
 	return err;
 }
 
+static void fastrpc_notify_users(struct fastrpc_user *user)
+{
+	struct fastrpc_invoke_ctx *ctx;
+
+	spin_lock(&user->lock);
+	list_for_each_entry(ctx, &user->pending, node) {
+		ctx->retval = -EPIPE;
+		complete(&ctx->work);
+	}
+	spin_unlock(&user->lock);
+}
+
+static void fastrpc_notify_pdr_drivers(struct fastrpc_channel_ctx *cctx,
+		char *servloc_name)
+{
+	struct fastrpc_user *fl;
+	unsigned long flags;
+
+	spin_lock_irqsave(&cctx->lock, flags);
+	list_for_each_entry(fl, &cctx->users, user) {
+		if (fl->servloc_name && !strcmp(servloc_name, fl->servloc_name))
+			fastrpc_notify_users(fl);
+	}
+	spin_unlock_irqrestore(&cctx->lock, flags);
+}
+
+static void fastrpc_pdr_cb(int state, char *service_path, void *priv)
+{
+	struct fastrpc_static_pd *spd = (struct fastrpc_static_pd *)priv;
+	struct fastrpc_channel_ctx *cctx;
+
+	if (!spd)
+		return;
+
+	cctx = spd->cctx;
+	switch (state) {
+	case SERVREG_SERVICE_STATE_DOWN:
+		dev_info(&cctx->rpdev->dev,
+			"%s: %s (%s) is down for PDR on %s\n",
+			__func__, spd->spdname,
+			spd->servloc_name,
+			domains[cctx->domain_id]);
+		spd->ispdup = false;
+		fastrpc_notify_pdr_drivers(cctx, spd->servloc_name);
+		break;
+	case SERVREG_SERVICE_STATE_UP:
+		dev_info(&cctx->rpdev->dev,
+			"%s: %s (%s) is up for PDR on %s\n",
+			__func__, spd->spdname,
+			spd->servloc_name,
+			domains[cctx->domain_id]);
+		spd->ispdup = true;
+		break;
+	default:
+		break;
+	}
+}
+
 static const struct file_operations fastrpc_fops = {
 	.open = fastrpc_device_open,
 	.release = fastrpc_device_release,
@@ -2248,6 +2383,39 @@ static int fastrpc_device_register(struct device *dev, struct fastrpc_channel_ct
 	return err;
 }
 
+static int fastrpc_setup_service_locator(struct fastrpc_channel_ctx *cctx, char *client_name,
+			char *service_name, char *service_path, int domain, int spd_session)
+{
+	int err = 0;
+	struct pdr_handle *handle = NULL;
+	struct pdr_service *service = NULL;
+
+	/* Register the service locator's callback function */
+	handle = pdr_handle_alloc(fastrpc_pdr_cb, &cctx->spd[spd_session]);
+	if (IS_ERR(handle)) {
+		err = PTR_ERR(handle);
+		goto bail;
+	}
+	cctx->spd[spd_session].pdrhandle = handle;
+	cctx->spd[spd_session].servloc_name = client_name;
+	cctx->spd[spd_session].spdname = service_path;
+	cctx->spd[spd_session].cctx = cctx;
+	service = pdr_add_lookup(handle, service_name, service_path);
+	if (IS_ERR(service)) {
+		err = PTR_ERR(service);
+		goto bail;
+	}
+	pr_info("fastrpc: %s: pdr_add_lookup enabled for %s (%s, %s)\n",
+		__func__, service_name, client_name, service_path);
+
+bail:
+	if (err) {
+		pr_warn("fastrpc: %s: failed for %s (%s, %s)with err %d\n",
+				__func__, service_name, client_name, service_path, err);
+	}
+	return err;
+}
+
 static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 {
 	struct device *rdev = &rpdev->dev;
@@ -2326,6 +2494,25 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 		goto fdev_error;
 	}
 
+	if (domain_id == ADSP_DOMAIN_ID) {
+		err = fastrpc_setup_service_locator(data, AUDIO_PDR_SERVICE_LOCATION_CLIENT_NAME,
+			AUDIO_PDR_ADSP_SERVICE_NAME, ADSP_AUDIOPD_NAME, domain_id, 0);
+		if (err)
+			goto populate_error;
+
+		err = fastrpc_setup_service_locator(data,
+			SENSORS_PDR_ADSP_SERVICE_LOCATION_CLIENT_NAME,
+			SENSORS_PDR_ADSP_SERVICE_NAME, ADSP_SENSORPD_NAME, domain_id, 1);
+		if (err)
+			goto populate_error;
+	} else if (domain_id == SDSP_DOMAIN_ID) {
+		err = fastrpc_setup_service_locator(data,
+			SENSORS_PDR_SLPI_SERVICE_LOCATION_CLIENT_NAME,
+			SENSORS_PDR_SLPI_SERVICE_NAME, SLPI_SENSORPD_NAME, domain_id, 0);
+		if (err)
+			goto populate_error;
+	}
+
 	kref_init(&data->refcount);
 
 	dev_set_drvdata(&rpdev->dev, data);
@@ -2355,24 +2542,13 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 	return err;
 }
 
-static void fastrpc_notify_users(struct fastrpc_user *user)
-{
-	struct fastrpc_invoke_ctx *ctx;
-
-	spin_lock(&user->lock);
-	list_for_each_entry(ctx, &user->pending, node) {
-		ctx->retval = -EPIPE;
-		complete(&ctx->work);
-	}
-	spin_unlock(&user->lock);
-}
-
 static void fastrpc_rpmsg_remove(struct rpmsg_device *rpdev)
 {
 	struct fastrpc_channel_ctx *cctx = dev_get_drvdata(&rpdev->dev);
 	struct fastrpc_buf *buf, *b;
 	struct fastrpc_user *user;
 	unsigned long flags;
+	int i;
 
 	/* No invocations past this point */
 	spin_lock_irqsave(&cctx->lock, flags);
@@ -2393,6 +2569,11 @@ static void fastrpc_rpmsg_remove(struct rpmsg_device *rpdev)
 	if (cctx->remote_heap)
 		fastrpc_buf_free(cctx->remote_heap);
 
+	for (i = 0; i < FASTRPC_MAX_SPD; i++) {
+		if (cctx->spd[i].pdrhandle)
+			pdr_handle_release(cctx->spd[i].pdrhandle);
+	}
+
 	of_platform_depopulate(&rpdev->dev);
 
 	fastrpc_channel_ctx_put(cctx);
