[PATCH v2 7/8] media: platform: amd: isp4 debug fs logging and more descriptive errors

Bin Du
2025-06-18T09:20:54Z

Add debug fs for isp4 driver and add more detailed descriptive error
info to some of the log message

Signed-off-by: Bin Du <Bin.Du@amd.com>
Signed-off-by: Svetoslav Stoilov <Svetoslav.Stoilov@amd.com>
---
drivers/media/platform/amd/isp4/Makefile | 1 +
drivers/media/platform/amd/isp4/isp4.c | 5 +
drivers/media/platform/amd/isp4/isp4_debug.c | 272 ++++++++++++++++++
drivers/media/platform/amd/isp4/isp4_debug.h | 41 +++
.../media/platform/amd/isp4/isp4_interface.c | 38 ++-
drivers/media/platform/amd/isp4/isp4_subdev.c | 29 +-
6 files changed, 366 insertions(+), 20 deletions(-)
create mode 100644 drivers/media/platform/amd/isp4/isp4_debug.c
create mode 100644 drivers/media/platform/amd/isp4/isp4_debug.h

diff --git a/drivers/media/platform/amd/isp4/Makefile b/drivers/media/platform/amd/isp4/Makefile
index 99285fe45b52..99d16ecfb64b 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 3d971fe2813d..c3d2e52e0201 100644
--- a/drivers/media/platform/amd/isp4/isp4.c
+++ b/drivers/media/platform/amd/isp4/isp4.c
@@ -11,6 +11,7 @@
#include "amdgpu_object.h"

#include "isp4.h"
+#include "isp4_debug.h"
#include "isp4_hw.h"

#define ISP4_DRV_NAME "amd_isp_capture"
@@ -352,6 +353,8 @@ 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:
@@ -369,6 +372,8 @@ 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..549c36614306
--- /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 *line_end;
+ char temp_ch;
+ char *str;
+ char *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 isp4fw_buffer_meta_info *p;
+ struct isp4if_img_buf_info *orig;
+
+ 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 0e1eb22a0de5..b79b0f2a4776 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;
}
@@ -498,7 +502,9 @@ 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, "fail to get cmdq slot,stream (%d), rd %u, wr %u\n",
+ dev_err(dev,
+ "failed to get free cmdq slot, stream %s(%d),rd %u, wr %u\n",
+ isp4dbg_get_if_stream_str(stream),
stream, rd_ptr, wr_ptr);
return -ETIMEDOUT;
}
@@ -550,8 +556,8 @@ 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);
@@ -780,13 +786,15 @@ 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;
}
@@ -801,7 +809,8 @@ 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;
}
@@ -827,7 +836,8 @@ 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;
}
@@ -849,7 +859,8 @@ 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;
}
@@ -866,9 +877,10 @@ 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 d93cdb9dc477..e2084030c79d 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"
@@ -305,7 +306,9 @@ 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);
@@ -328,6 +331,9 @@ 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);
@@ -490,8 +496,9 @@ 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);

@@ -548,8 +555,9 @@ 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;
@@ -609,14 +617,18 @@ 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);

@@ -637,6 +649,8 @@ 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;

@@ -654,7 +668,8 @@ 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;
}
--
2.34.1