diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
index 3cbb01ec10e3..23440f70d3df 100644
--- a/drivers/platform/x86/amd/pmc.c
+++ b/drivers/platform/x86/amd/pmc.c
@@ -114,6 +114,7 @@ enum s2d_arg {
 	S2D_TELEMETRY_SIZE = 0x01,
 	S2D_PHYS_ADDR_LOW,
 	S2D_PHYS_ADDR_HIGH,
+	S2D_NUM_SAMPLES,
 };
 
 struct amd_pmc_bit_map {
@@ -246,13 +247,35 @@ static const struct file_operations amd_pmc_stb_debugfs_fops = {
 static int amd_pmc_stb_debugfs_open_v2(struct inode *inode, struct file *filp)
 {
 	struct amd_pmc_dev *dev = filp->f_inode->i_private;
-	u32 *buf;
+	u32 *buf, fsize, num_samples, stb_rdptr_offset = 0;
+	int ret;
 
 	buf = kzalloc(S2D_TELEMETRY_BYTES_MAX, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
-	memcpy_fromio(buf, dev->stb_virt_addr, S2D_TELEMETRY_BYTES_MAX);
+	/* Spill to DRAM num_samples uses separate SMU message port */
+	dev->msg_port = 1;
+
+	/* Get the num_samples to calculate the last push location */
+	ret = amd_pmc_send_cmd(dev, S2D_NUM_SAMPLES, &num_samples, STB_SPILL_TO_DRAM, 1);
+	/* Clear msg_port for other SMU operation */
+	dev->msg_port = 0;
+	if (ret) {
+		dev_err(dev->dev, "error: S2D_NUM_SAMPLES not supported : %d\n", ret);
+		return ret;
+	}
+
+	/* Start capturing data from the last push location */
+	if (num_samples > S2D_TELEMETRY_BYTES_MAX) {
+		fsize  = S2D_TELEMETRY_BYTES_MAX;
+		stb_rdptr_offset = num_samples - fsize;
+	} else {
+		fsize = num_samples;
+		stb_rdptr_offset = 0;
+	}
+
+	memcpy_fromio(buf, dev->stb_virt_addr + stb_rdptr_offset, fsize);
 	filp->private_data = buf;
 
 	return 0;