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

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Message-ID: <2608eec6-0007-e8f6-25d7-2e6db95d1230@aspeedtech.com>
Date:   Wed, 20 Oct 2021 16:10:45 +0800
From:   Jammy Huang <jammy_huang@...eedtech.com>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
CC:     "eajames@...ux.ibm.com" <eajames@...ux.ibm.com>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "joel@....id.au" <joel@....id.au>,
        "andrew@...id.au" <andrew@...id.au>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "openbmc@...ts.ozlabs.org" <openbmc@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/7] media: aspeed: add more debug log message

Dear Paul,

Sure, thanks for your help.


Best regards,

Jammy


On 2021/10/18 下午 05:59, Paul Menzel wrote:
> 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);
>>    
>>