linux-kernel - Re: [PATCH v2 3/7] media: aspeed: add more debug log message

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Message-ID: <8212f2f5-d661-b598-1490-0ad5266ff2ca@molgen.mpg.de>
Date:   Mon, 18 Oct 2021 11:59:55 +0200
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     Jammy Huang <jammy_huang@...eedtech.com>
Cc:     eajames@...ux.ibm.com, mchehab@...nel.org, joel@....id.au,
        andrew@...id.au, linux-media@...r.kernel.org,
        openbmc@...ts.ozlabs.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/7] media: aspeed: add more debug log message

Dear Jammy:


Am 18.10.21 um 11:22 schrieb Jammy Huang:

Nit (summary/suject:: message*s*

Could you add an excerpt of the new log messages please?


Kind regards,

Paul


> Signed-off-by: Jammy Huang <jammy_huang@...eedtech.com>
> ---
>   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 642ca96c8c52..24ca07f40f14 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)
> @@ -593,6 +598,12 @@ 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(1, 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 */
> @@ -1718,6 +1739,7 @@ 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)) {
> @@ -1754,6 +1776,8 @@ 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);
>   
>