[PATCH v5 03/10] media: aspeed: add more debug log messages

Jammy Huang
2021-11-18T07:41:13Z

The new messages are listed as below:
1. jpeg header and capture buffer information
2. information for each irq
3. current capture mode, sync or direct-fetch
4. time consumed for each frame
5. input timing changed information

Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
---
v5:
- no update
v4:
- modify log level
v3:
- update commit message
v2:
- new
---
drivers/media/platform/aspeed-video.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
index 6af57467b6d4..e8dd0a7ebfc7 100644
--- a/drivers/media/platform/aspeed-video.c
+++ b/drivers/media/platform/aspeed-video.c
@@ -461,12 +461,17 @@ static void aspeed_video_write(struct aspeed_video *video, u32 reg, u32 val)

static void update_perf(struct aspeed_video_perf *p)
{
+ struct aspeed_video *v = container_of(p, struct aspeed_video,
+ perf);
+
p->duration =
ktime_to_ms(ktime_sub(ktime_get(), p->last_sample));
p->totaltime += p->duration;

p->duration_max = max(p->duration, p->duration_max);
p->duration_min = min(p->duration, p->duration_min);
+ v4l2_dbg(2, debug, &v->v4l2_dev, "time consumed: %d ms\n",
+ p->duration);
}

static int aspeed_video_start_frame(struct aspeed_video *video)
@@ -597,6 +602,12 @@ static irqreturn_t aspeed_video_irq(int irq, void *arg)
struct aspeed_video *video = arg;
u32 sts = aspeed_video_read(video, VE_INTERRUPT_STATUS);

+ v4l2_dbg(2, debug, &video->v4l2_dev, "irq sts=%#x %s%s%s%s\n", sts,
+ sts & VE_INTERRUPT_MODE_DETECT_WD ? ", unlock" : "",
+ sts & VE_INTERRUPT_MODE_DETECT ? ", lock" : "",
+ sts & VE_INTERRUPT_CAPTURE_COMPLETE ? ", capture-done" : "",
+ sts & VE_INTERRUPT_COMP_COMPLETE ? ", comp-done" : "");
+
/*
* Resolution changed or signal was lost; reset the engine and
* re-initialize
@@ -910,6 +921,7 @@ static void aspeed_video_set_resolution(struct aspeed_video *video)

/* Don't use direct mode below 1024 x 768 (irqs don't fire) */
if (size < DIRECT_FETCH_THRESHOLD) {
+ v4l2_dbg(1, debug, &video->v4l2_dev, "Capture: Sync Mode\n");
aspeed_video_write(video, VE_TGS_0,
FIELD_PREP(VE_TGS_FIRST,
video->frame_left - 1) |
@@ -921,6 +933,7 @@ static void aspeed_video_set_resolution(struct aspeed_video *video)
video->frame_bottom + 1));
aspeed_video_update(video, VE_CTRL, 0, VE_CTRL_INT_DE);
} else {
+ v4l2_dbg(1, debug, &video->v4l2_dev, "Capture: Direct Mode\n");
aspeed_video_update(video, VE_CTRL, 0, VE_CTRL_DIRECT_FETCH);
}

@@ -937,6 +950,10 @@ static void aspeed_video_set_resolution(struct aspeed_video *video)
if (!aspeed_video_alloc_buf(video, &video->srcs[1], size))
goto err_mem;

+ v4l2_dbg(1, debug, &video->v4l2_dev, "src buf0 addr(%#x) size(%d)\n",
+ video->srcs[0].dma, video->srcs[0].size);
+ v4l2_dbg(1, debug, &video->v4l2_dev, "src buf1 addr(%#x) size(%d)\n",
+ video->srcs[1].dma, video->srcs[1].size);
aspeed_video_write(video, VE_SRC0_ADDR, video->srcs[0].dma);
aspeed_video_write(video, VE_SRC1_ADDR, video->srcs[1].dma);
}
@@ -1201,6 +1218,9 @@ static int aspeed_video_set_dv_timings(struct file *file, void *fh,

timings->type = V4L2_DV_BT_656_1120;

+ v4l2_dbg(1, debug, &video->v4l2_dev, "set new timings(%dx%d)\n",
+ timings->bt.width, timings->bt.height);
+
return 0;
}

@@ -1383,6 +1403,7 @@ static void aspeed_video_resolution_work(struct work_struct *work)
.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
};

+ v4l2_dbg(1, debug, &video->v4l2_dev, "fire source change event\n");
v4l2_event_queue(&video->vdev, &ev);
} else if (test_bit(VIDEO_STREAMING, &video->flags)) {
/* No resolution change so just restart streaming */
@@ -1715,6 +1736,7 @@ static int aspeed_video_init(struct aspeed_video *video)
dev_err(dev, "Unable to request IRQ %d\n", irq);
return rc;
}
+ dev_info(video->dev, "irq %d\n", irq);

video->eclk = devm_clk_get(dev, "eclk");
if (IS_ERR(video->eclk)) {
@@ -1751,6 +1773,8 @@ static int aspeed_video_init(struct aspeed_video *video)
rc = -ENOMEM;
goto err_release_reserved_mem;
}
+ dev_info(video->dev, "alloc mem size(%d) at %#x for jpeg header\n",
+ VE_JPEG_HEADER_SIZE, video->jpeg.dma);

aspeed_video_init_jpeg_table(video->jpeg.virt, video->yuv420);

--
2.25.1