diff --git a/drivers/media/platform/amd/isp4/Makefile b/drivers/media/platform/amd/isp4/Makefile
index a68f18fe79b4..da1e047cdb7d 100644
--- a/drivers/media/platform/amd/isp4/Makefile
+++ b/drivers/media/platform/amd/isp4/Makefile
@@ -4,6 +4,7 @@
 
 obj-$(CONFIG_AMD_ISP4) += amd_capture.o
 amd_capture-objs := isp4_subdev.o \
+			isp4_debug.o \
 			isp4_phy.o \
 			isp4_interface.o \
 			isp4.o	\
diff --git a/drivers/media/platform/amd/isp4/isp4.c b/drivers/media/platform/amd/isp4/isp4.c
index 3beb35293504..f7e716ec47da 100644
--- a/drivers/media/platform/amd/isp4/isp4.c
+++ b/drivers/media/platform/amd/isp4/isp4.c
@@ -10,6 +10,7 @@
 #include "amdgpu_object.h"
 
 #include "isp4.h"
+#include "isp4_debug.h"
 #include "isp4_hw.h"
 
 #define ISP4_DRV_NAME "amd_isp_capture"
@@ -325,6 +326,8 @@ static int isp4_capture_probe(struct platform_device *pdev)
 	pm_runtime_set_suspended(dev);
 	pm_runtime_enable(dev);
 
+	isp_debugfs_create(isp_dev);
+
 	return 0;
 
 err_unreg_video_dev_notifier:
@@ -342,6 +345,8 @@ static void isp4_capture_remove(struct platform_device *pdev)
 {
 	struct isp4_device *isp_dev = platform_get_drvdata(pdev);
 
+	isp_debugfs_remove(isp_dev);
+
 	v4l2_async_nf_unregister(&isp_dev->notifier);
 	v4l2_async_nf_cleanup(&isp_dev->notifier);
 	v4l2_device_unregister_subdev(&isp_dev->isp_sdev.sdev);
diff --git a/drivers/media/platform/amd/isp4/isp4_debug.c b/drivers/media/platform/amd/isp4/isp4_debug.c
new file mode 100644
index 000000000000..0b8b1ad87525
--- /dev/null
+++ b/drivers/media/platform/amd/isp4/isp4_debug.c
@@ -0,0 +1,272 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2025 Advanced Micro Devices, Inc.
+ */
+
+#include "isp4.h"
+#include "isp4_debug.h"
+#include "isp4_hw.h"
+#include "isp4_interface.h"
+
+#define ISP4DBG_FW_LOG_RINGBUF_SIZE (2 * 1024 * 1024)
+#define ISP4DBG_MACRO_2_STR(X) #X
+#define ISP4DBG_MAX_ONE_TIME_LOG_LEN 510
+
+#ifdef CONFIG_DEBUG_FS
+
+void isp_debugfs_create(struct isp4_device *isp_dev)
+{
+	isp_dev->isp_sdev.debugfs_dir = debugfs_create_dir("amd_isp", NULL);
+	debugfs_create_bool("fw_log_enable", 0644,
+			    isp_dev->isp_sdev.debugfs_dir,
+			    &isp_dev->isp_sdev.enable_fw_log);
+	isp_dev->isp_sdev.fw_log_output =
+		devm_kzalloc(&isp_dev->pdev->dev,
+			     ISP4DBG_FW_LOG_RINGBUF_SIZE + 32,
+			     GFP_KERNEL);
+}
+
+void isp_debugfs_remove(struct isp4_device *isp_dev)
+{
+	debugfs_remove_recursive(isp_dev->isp_sdev.debugfs_dir);
+	isp_dev->isp_sdev.debugfs_dir = NULL;
+}
+
+static u32 isp_fw_fill_rb_log(struct isp4_subdev *isp, u8 *sys, u32 rb_size)
+{
+	struct isp4_interface *ispif = &isp->ispif;
+	struct device *dev = isp->dev;
+	u8 *buf = isp->fw_log_output;
+	u32 rd_ptr, wr_ptr;
+	u32 total_cnt = 0;
+	u32 offset = 0;
+	u32 cnt;
+
+	if (!sys || rb_size == 0)
+		return 0;
+
+	mutex_lock(&ispif->isp4if_mutex);
+
+	rd_ptr = isp4hw_rreg(ISP4_GET_ISP_REG_BASE(isp), ISP_LOG_RB_RPTR0);
+	wr_ptr = isp4hw_rreg(ISP4_GET_ISP_REG_BASE(isp), ISP_LOG_RB_WPTR0);
+
+	do {
+		if (wr_ptr > rd_ptr)
+			cnt = wr_ptr - rd_ptr;
+		else if (wr_ptr < rd_ptr)
+			cnt = rb_size - rd_ptr;
+		else
+			goto unlock_and_quit;
+
+		if (cnt > rb_size) {
+			dev_err(dev, "fail bad fw log size %u\n", cnt);
+			goto unlock_and_quit;
+		}
+
+		memcpy(buf + offset, (u8 *)(sys + rd_ptr), cnt);
+
+		offset += cnt;
+		total_cnt += cnt;
+		rd_ptr = (rd_ptr + cnt) % rb_size;
+	} while (rd_ptr < wr_ptr);
+
+	isp4hw_wreg(ISP4_GET_ISP_REG_BASE(isp), ISP_LOG_RB_RPTR0, rd_ptr);
+
+unlock_and_quit:
+	mutex_unlock(&ispif->isp4if_mutex);
+	return total_cnt;
+}
+
+void isp_fw_log_print(struct isp4_subdev *isp)
+{
+	struct isp4_interface *ispif = &isp->ispif;
+	char *fw_log_buf = isp->fw_log_output;
+	u32 cnt;
+
+	if (!isp->enable_fw_log || !fw_log_buf)
+		return;
+
+	cnt = isp_fw_fill_rb_log(isp, ispif->fw_log_buf->sys_addr,
+				 ispif->fw_log_buf->mem_size);
+
+	if (cnt) {
+		char temp_ch;
+		char *str;
+		char *end;
+		char *line_end;
+
+		str = (char *)fw_log_buf;
+		end = ((char *)fw_log_buf + cnt);
+		fw_log_buf[cnt] = 0;
+
+		while (str < end) {
+			line_end = strchr(str, 0x0A);
+			if ((line_end && (str + ISP4DBG_MAX_ONE_TIME_LOG_LEN) >= line_end) ||
+			    (!line_end && (str + ISP4DBG_MAX_ONE_TIME_LOG_LEN) >= end)) {
+				if (line_end)
+					*line_end = 0;
+
+				if (*str != '\0')
+					dev_dbg(isp->dev,
+						"%s", str);
+
+				if (line_end) {
+					*line_end = 0x0A;
+					str = line_end + 1;
+				} else {
+					break;
+				}
+			} else {
+				u32 tmp_len = ISP4DBG_MAX_ONE_TIME_LOG_LEN;
+
+				temp_ch = str[tmp_len];
+				str[tmp_len] = 0;
+				dev_dbg(isp->dev, "%s", str);
+				str[tmp_len] = temp_ch;
+				str = &str[tmp_len];
+			}
+		}
+	}
+}
+#endif
+
+char *isp4dbg_get_buf_src_str(u32 src)
+{
+	switch (src) {
+	case BUFFER_SOURCE_STREAM:
+		return ISP4DBG_MACRO_2_STR(BUFFER_SOURCE_STREAM);
+	default:
+		return "Unknown buf source";
+	}
+}
+
+char *isp4dbg_get_buf_done_str(u32 status)
+{
+	switch (status) {
+	case BUFFER_STATUS_INVALID:
+		return ISP4DBG_MACRO_2_STR(BUFFER_STATUS_INVALID);
+	case BUFFER_STATUS_SKIPPED:
+		return ISP4DBG_MACRO_2_STR(BUFFER_STATUS_SKIPPED);
+	case BUFFER_STATUS_EXIST:
+		return ISP4DBG_MACRO_2_STR(BUFFER_STATUS_EXIST);
+	case BUFFER_STATUS_DONE:
+		return ISP4DBG_MACRO_2_STR(BUFFER_STATUS_DONE);
+	case BUFFER_STATUS_LACK:
+		return ISP4DBG_MACRO_2_STR(BUFFER_STATUS_LACK);
+	case BUFFER_STATUS_DIRTY:
+		return ISP4DBG_MACRO_2_STR(BUFFER_STATUS_DIRTY);
+	case BUFFER_STATUS_MAX:
+		return ISP4DBG_MACRO_2_STR(BUFFER_STATUS_MAX);
+	default:
+		return "Unknown Buf Done Status";
+	}
+};
+
+char *isp4dbg_get_img_fmt_str(int fmt /* enum isp4fw_image_format * */)
+{
+	switch (fmt) {
+	case IMAGE_FORMAT_NV12:
+		return "NV12";
+	case IMAGE_FORMAT_YUV422INTERLEAVED:
+		return "YUV422INTERLEAVED";
+	default:
+		return "unknown fmt";
+	}
+}
+
+void isp4dbg_show_bufmeta_info(struct device *dev, char *pre,
+			       void *in, void *orig_buf)
+{
+	struct isp4if_img_buf_info *orig;
+	struct isp4fw_buffer_meta_info *p;
+
+	if (!in)
+		return;
+
+	if (!pre)
+		pre = "";
+
+	p = (struct isp4fw_buffer_meta_info *)in;
+	orig = (struct isp4if_img_buf_info *)orig_buf;
+
+	dev_dbg(dev, "%s(%s) en:%d,stat:%s(%u),src:%s\n", pre,
+		isp4dbg_get_img_fmt_str(p->image_prop.image_format),
+		p->enabled, isp4dbg_get_buf_done_str(p->status), p->status,
+		isp4dbg_get_buf_src_str(p->source));
+
+	dev_dbg(dev, "%p,0x%llx(%u) %p,0x%llx(%u) %p,0x%llx(%u)\n",
+		orig->planes[0].sys_addr, orig->planes[0].mc_addr,
+		orig->planes[0].len, orig->planes[1].sys_addr,
+		orig->planes[1].mc_addr, orig->planes[1].len,
+		orig->planes[2].sys_addr, orig->planes[2].mc_addr,
+		orig->planes[2].len);
+}
+
+char *isp4dbg_get_buf_type(u32 type)
+{
+	/* enum isp4fw_buffer_type */
+	switch (type) {
+	case BUFFER_TYPE_PREVIEW:
+		return ISP4DBG_MACRO_2_STR(BUFFER_TYPE_PREVIEW);
+	case BUFFER_TYPE_META_INFO:
+		return ISP4DBG_MACRO_2_STR(BUFFER_TYPE_META_INFO);
+	case BUFFER_TYPE_MEM_POOL:
+		return ISP4DBG_MACRO_2_STR(BUFFER_TYPE_MEM_POOL);
+	default:
+		return "unknown type";
+	}
+}
+
+char *isp4dbg_get_cmd_str(u32 cmd)
+{
+	switch (cmd) {
+	case CMD_ID_START_STREAM:
+		return ISP4DBG_MACRO_2_STR(CMD_ID_START_STREAM);
+	case CMD_ID_STOP_STREAM:
+		return ISP4DBG_MACRO_2_STR(CMD_ID_STOP_STREAM);
+	case CMD_ID_SEND_BUFFER:
+		return ISP4DBG_MACRO_2_STR(CMD_ID_SEND_BUFFER);
+	case CMD_ID_SET_STREAM_CONFIG:
+		return ISP4DBG_MACRO_2_STR(CMD_ID_SET_STREAM_CONFIG);
+	case CMD_ID_SET_OUT_CHAN_PROP:
+		return ISP4DBG_MACRO_2_STR(CMD_ID_SET_OUT_CHAN_PROP);
+	case CMD_ID_ENABLE_OUT_CHAN:
+		return ISP4DBG_MACRO_2_STR(CMD_ID_ENABLE_OUT_CHAN);
+	default:
+		return "unknown cmd";
+	};
+}
+
+char *isp4dbg_get_resp_str(u32 cmd)
+{
+	switch (cmd) {
+	case RESP_ID_CMD_DONE:
+		return ISP4DBG_MACRO_2_STR(RESP_ID_CMD_DONE);
+	case RESP_ID_NOTI_FRAME_DONE:
+		return ISP4DBG_MACRO_2_STR(RESP_ID_NOTI_FRAME_DONE);
+	default:
+		return "unknown respid";
+	};
+}
+
+char *isp4dbg_get_if_stream_str(u32 stream /* enum fw_cmd_resp_stream_id */)
+{
+	switch (stream) {
+	case ISP4IF_STREAM_ID_GLOBAL:
+		return "STREAM_GLOBAL";
+	case ISP4IF_STREAM_ID_1:
+		return "STREAM1";
+	default:
+		return "unknown streamID";
+	}
+}
+
+char *isp4dbg_get_out_ch_str(int ch /* enum isp4fw_pipe_out_ch */)
+{
+	switch ((enum isp4fw_pipe_out_ch)ch) {
+	case ISP_PIPE_OUT_CH_PREVIEW:
+		return "prev";
+	default:
+		return "unknown channel";
+	}
+}
diff --git a/drivers/media/platform/amd/isp4/isp4_debug.h b/drivers/media/platform/amd/isp4/isp4_debug.h
new file mode 100644
index 000000000000..acf99bf129ae
--- /dev/null
+++ b/drivers/media/platform/amd/isp4/isp4_debug.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2025 Advanced Micro Devices, Inc.
+ */
+
+#ifndef _ISP4_DEBUG_H_
+#define _ISP4_DEBUG_H_
+
+#include <linux/printk.h>
+#include <linux/dev_printk.h>
+
+#include "isp4_subdev.h"
+
+#ifdef CONFIG_DEBUG_FS
+struct isp4_device;
+
+void isp_debugfs_create(struct isp4_device *isp_dev);
+void isp_debugfs_remove(struct isp4_device *isp_dev);
+void isp_fw_log_print(struct isp4_subdev *isp);
+
+#else
+
+/*to avoid checkpatch warning*/
+#define isp_debugfs_create(cam) cam
+#define isp_debugfs_remove(cam) cam
+#define isp_fw_log_print(isp) isp
+
+#endif /* CONFIG_DEBUG_FS */
+
+void isp4dbg_show_bufmeta_info(struct device *dev, char *pre, void *p,
+			       void *orig_buf /* struct sys_img_buf_handle* */);
+char *isp4dbg_get_img_fmt_str(int fmt /* enum _image_format_t * */);
+char *isp4dbg_get_out_ch_str(int ch /* enum _isp_pipe_out_ch_t */);
+char *isp4dbg_get_cmd_str(u32 cmd);
+char *isp4dbg_get_buf_type(u32 type);/* enum _buffer_type_t */
+char *isp4dbg_get_resp_str(u32 resp);
+char *isp4dbg_get_buf_src_str(u32 src);
+char *isp4dbg_get_buf_done_str(u32 status);
+char *isp4dbg_get_if_stream_str(u32 stream);
+
+#endif
diff --git a/drivers/media/platform/amd/isp4/isp4_interface.c b/drivers/media/platform/amd/isp4/isp4_interface.c
index d46d7487a994..2a57707925cf 100644
--- a/drivers/media/platform/amd/isp4/isp4_interface.c
+++ b/drivers/media/platform/amd/isp4/isp4_interface.c
@@ -7,6 +7,7 @@
 
 #include "amdgpu_object.h"
 
+#include "isp4_debug.h"
 #include "isp4_fw_cmd_resp.h"
 #include "isp4_hw.h"
 #include "isp4_hw_reg.h"
@@ -392,7 +393,8 @@ static int isp4if_insert_isp_fw_cmd(struct isp4_interface *ispif,
 	len = rb_config->val_size;
 
 	if (isp4if_is_cmdq_rb_full(ispif, stream)) {
-		dev_err(dev, "fail no cmdslot (%d)\n", stream);
+		dev_err(dev, "fail no cmdslot %s(%d)\n",
+			isp4dbg_get_if_stream_str(stream), stream);
 		return -EINVAL;
 	}
 
@@ -400,13 +402,15 @@ static int isp4if_insert_isp_fw_cmd(struct isp4_interface *ispif,
 	rd_ptr = isp4hw_rreg(ispif->mmio, rreg);
 
 	if (rd_ptr > len) {
-		dev_err(dev, "fail (%u),rd_ptr %u(should<=%u),wr_ptr %u\n",
+		dev_err(dev, "fail %s(%u),rd_ptr %u(should<=%u),wr_ptr %u\n",
+			isp4dbg_get_if_stream_str(stream),
 			stream, rd_ptr, len, wr_ptr);
 		return -EINVAL;
 	}
 
 	if (wr_ptr > len) {
-		dev_err(dev, "fail (%u),wr_ptr %u(should<=%u), rd_ptr %u\n",
+		dev_err(dev, "fail %s(%u),wr_ptr %u(should<=%u), rd_ptr %u\n",
+			isp4dbg_get_if_stream_str(stream),
 			stream, wr_ptr, len, rd_ptr);
 		return -EINVAL;
 	}
@@ -501,7 +505,8 @@ static int isp4if_send_fw_cmd(struct isp4_interface *ispif,
 			rd_ptr = isp4hw_rreg(ispif->mmio, rreg);
 			wr_ptr = isp4hw_rreg(ispif->mmio, wreg);
 			dev_err(dev,
-				"failed to get free cmdq slot, stream (%d)\n",
+				"failed to get free cmdq slot, stream %s(%d)\n",
+				isp4dbg_get_if_stream_str(stream),
 				stream);
 			return -ETIMEDOUT;
 		}
@@ -553,8 +558,8 @@ static int isp4if_send_fw_cmd(struct isp4_interface *ispif,
 
 	ret = isp4if_insert_isp_fw_cmd(ispif, stream, &cmd);
 	if (ret) {
-		dev_err(dev, "fail for insert_isp_fw_cmd camId (0x%08x)\n",
-			cmd_id);
+		dev_err(dev, "fail for insert_isp_fw_cmd camId %s(0x%08x)\n",
+			isp4dbg_get_cmd_str(cmd_id), cmd_id);
 		if (cmd_ele) {
 			isp4if_rm_cmd_from_cmdq(ispif, cmd_ele->seq_num,
 						cmd_ele->cmd_id);
@@ -783,13 +788,15 @@ int isp4if_f2h_resp(struct isp4_interface *ispif,
 	wr_ptr_dbg = wr_ptr;
 
 	if (rd_ptr > len) {
-		dev_err(dev, "fail (%u),rd_ptr %u(should<=%u),wr_ptr %u\n",
+		dev_err(dev, "fail %s(%u),rd_ptr %u(should<=%u),wr_ptr %u\n",
+			isp4dbg_get_if_stream_str(stream),
 			stream, rd_ptr, len, wr_ptr);
 		return -EINVAL;
 	}
 
 	if (wr_ptr > len) {
-		dev_err(dev, "fail (%u),wr_ptr %u(should<=%u), rd_ptr %u\n",
+		dev_err(dev, "fail %s(%u),wr_ptr %u(should<=%u), rd_ptr %u\n",
+			isp4dbg_get_if_stream_str(stream),
 			stream, wr_ptr, len, rd_ptr);
 		return -EINVAL;
 	}
@@ -804,7 +811,8 @@ int isp4if_f2h_resp(struct isp4_interface *ispif,
 				isp4hw_wreg(GET_ISP4IF_REG_BASE(ispif),
 					    rreg, rd_ptr);
 			} else {
-				dev_err(dev, "(%u),rd %u(should<=%u),wr %u\n",
+				dev_err(dev, "%s(%u),rd %u(should<=%u),wr %u\n",
+					isp4dbg_get_if_stream_str(stream),
 					stream, rd_ptr, len, wr_ptr);
 				return -EINVAL;
 			}
@@ -832,7 +840,8 @@ int isp4if_f2h_resp(struct isp4_interface *ispif,
 				isp4hw_wreg(GET_ISP4IF_REG_BASE(ispif),
 					    rreg, rd_ptr);
 			} else {
-				dev_err(dev, "(%u),rd %u(should<=%u),wr %u\n",
+				dev_err(dev, "%s(%u),rd %u(should<=%u),wr %u\n",
+					isp4dbg_get_if_stream_str(stream),
 					stream, rd_ptr, len, wr_ptr);
 				return -EINVAL;
 			}
@@ -855,7 +864,8 @@ int isp4if_f2h_resp(struct isp4_interface *ispif,
 				isp4hw_wreg(GET_ISP4IF_REG_BASE(ispif),
 					    rreg, rd_ptr);
 			} else {
-				dev_err(dev, "(%u),rd %u(should<=%u),wr %u\n",
+				dev_err(dev, "%s(%u),rd %u(should<=%u),wr %u\n",
+					isp4dbg_get_if_stream_str(stream),
 					stream, rd_ptr, len, wr_ptr);
 				return -EINVAL;
 			}
@@ -872,9 +882,10 @@ int isp4if_f2h_resp(struct isp4_interface *ispif,
 			checksum, response->resp_check_sum,
 			rd_ptr_dbg, wr_ptr_dbg);
 
-		dev_err(dev, "(%u), seqNo %u, resp_id (0x%x)\n",
-			stream,
+		dev_err(dev, "%s(%u), seqNo %u, resp_id %s(0x%x)\n",
+			isp4dbg_get_if_stream_str(stream), stream,
 			response->resp_seq_num,
+			isp4dbg_get_resp_str(response->resp_id),
 			response->resp_id);
 
 		return -EINVAL;
diff --git a/drivers/media/platform/amd/isp4/isp4_subdev.c b/drivers/media/platform/amd/isp4/isp4_subdev.c
index 816fa3a127f5..11210b13cd02 100644
--- a/drivers/media/platform/amd/isp4/isp4_subdev.c
+++ b/drivers/media/platform/amd/isp4/isp4_subdev.c
@@ -7,6 +7,7 @@
 #include <linux/pm_domain.h>
 #include <linux/pm_runtime.h>
 
+#include "isp4_debug.h"
 #include "isp4_fw_cmd_resp.h"
 #include "isp4_hw.h"
 #include "isp4_interface.h"
@@ -304,7 +305,9 @@ static int isp4sd_setup_output(struct isp4_subdev *isp_subdev,
 		return -EINVAL;
 	}
 
-	dev_dbg(dev, "channel: w:h=%u:%u,lp:%u,cp%u\n",
+	dev_dbg(dev, "channel:%s,fmt %s,w:h=%u:%u,lp:%u,cp%u\n",
+		isp4dbg_get_out_ch_str(cmd_ch_prop.ch),
+		isp4dbg_get_img_fmt_str(cmd_ch_prop.image_prop.image_format),
 		cmd_ch_prop.image_prop.width, cmd_ch_prop.image_prop.height,
 		cmd_ch_prop.image_prop.luma_pitch,
 		cmd_ch_prop.image_prop.chroma_pitch);
@@ -327,6 +330,9 @@ static int isp4sd_setup_output(struct isp4_subdev *isp_subdev,
 		return ret;
 	}
 
+	dev_dbg(dev, "enable channel %s\n",
+		isp4dbg_get_out_ch_str(cmd_ch_en.ch));
+
 	if (!sensor_info->start_stream_cmd_sent) {
 		ret = isp4sd_kickoff_stream(isp_subdev, out_prop->width,
 					    out_prop->height);
@@ -489,8 +495,9 @@ static void isp4sd_fw_resp_cmd_done(struct isp4_subdev *isp_subdev,
 		isp4if_rm_cmd_from_cmdq(ispif, para->cmd_seq_num, para->cmd_id);
 	struct device *dev = isp_subdev->dev;
 
-	dev_dbg(dev, "stream %d,cmd (0x%08x)(%d),seq %u, ele %p\n",
+	dev_dbg(dev, "stream %d,cmd %s(0x%08x)(%d),seq %u, ele %p\n",
 		stream_id,
+		isp4dbg_get_cmd_str(para->cmd_id),
 		para->cmd_id, para->cmd_status, para->cmd_seq_num,
 		ele);
 
@@ -551,8 +558,9 @@ isp4sd_preview_done(struct isp4_subdev *isp_subdev,
 			pcb->preview.status = ISP4VID_BUF_DONE_STATUS_SUCCESS;
 		}
 	} else if (meta->preview.enabled) {
-		dev_err(dev, "fail bad preview status %u\n",
-			meta->preview.status);
+		dev_err(dev, "fail bad preview status %u(%s)\n",
+			meta->preview.status,
+			isp4dbg_get_buf_done_str(meta->preview.status));
 	}
 
 	return prev;
@@ -612,14 +620,18 @@ static void isp4sd_fw_resp_frame_done(struct isp4_subdev *isp_subdev,
 	pcb.poc = meta->poc;
 	pcb.cam_id = 0;
 
-	dev_dbg(dev, "ts:%llu,streamId:%d,poc:%u,preview_en:%u,(%i)\n",
+	dev_dbg(dev, "ts:%llu,streamId:%d,poc:%u,preview_en:%u,%s(%i)\n",
 		ktime_get_ns(), stream_id, meta->poc,
 		meta->preview.enabled,
+		isp4dbg_get_buf_done_str(meta->preview.status),
 		meta->preview.status);
 
 	prev = isp4sd_preview_done(isp_subdev, meta, &pcb);
-	if (pcb.preview.status != ISP4VID_BUF_DONE_STATUS_ABSENT)
+	if (pcb.preview.status != ISP4VID_BUF_DONE_STATUS_ABSENT) {
+		isp4dbg_show_bufmeta_info(dev, "prev", &meta->preview,
+					  &pcb.preview.buf);
 		isp4vid_notify(&isp_subdev->isp_vdev, &pcb);
+	}
 
 	isp4if_dealloc_buffer_node(prev);
 
@@ -640,6 +652,8 @@ static void isp4sd_fw_resp_func(struct isp4_subdev *isp_subdev,
 	if (ispif->status < ISP4IF_STATUS_FW_RUNNING)
 		return;
 
+	isp_fw_log_print(isp_subdev);
+
 	while (true) {
 		s32 ret;
 
@@ -657,7 +671,8 @@ static void isp4sd_fw_resp_func(struct isp4_subdev *isp_subdev,
 						  &resp.param.frame_done);
 			break;
 		default:
-			dev_err(dev, "-><- fail respid (0x%x)\n",
+			dev_err(dev, "-><- fail respid %s(0x%x)\n",
+				isp4dbg_get_resp_str(resp.resp_id),
 				resp.resp_id);
 			break;
 		}
