linux-kernel - Re: [PATCH v3 02/14] gpu: ipu-csi: Check for field type alternate

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Date:   Sat, 4 Aug 2018 12:08:17 -0700
From:   Steve Longerbeam <slongerbeam@...il.com>
To:     Philipp Zabel <p.zabel@...gutronix.de>, linux-media@...r.kernel.org
Cc:     Steve Longerbeam <steve_longerbeam@...tor.com>,
        "open list:DRM DRIVERS FOR FREESCALE IMX" 
        <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 02/14] gpu: ipu-csi: Check for field type alternate

Hi Philipp,


On 08/02/2018 02:42 AM, Philipp Zabel wrote:
> Hi Steve,
>
> On Wed, 2018-08-01 at 12:12 -0700, Steve Longerbeam wrote:
>> When the CSI is receiving from a bt.656 bus, include a check for
>> field type 'alternate' when determining whether to set CSI clock
>> mode to CCIR656_INTERLACED or CCIR656_PROGRESSIVE.
>>
>> Signed-off-by: Steve Longerbeam <steve_longerbeam@...tor.com>
>> ---
>>   drivers/gpu/ipu-v3/ipu-csi.c | 3 ++-
>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c
>> index caa05b0..5450a2d 100644
>> --- a/drivers/gpu/ipu-v3/ipu-csi.c
>> +++ b/drivers/gpu/ipu-v3/ipu-csi.c
>> @@ -339,7 +339,8 @@ static void fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg,
>>   		break;
>>   	case V4L2_MBUS_BT656:
>>   		csicfg->ext_vsync = 0;
>> -		if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field))
>> +		if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field) ||
>> +		    mbus_fmt->field == V4L2_FIELD_ALTERNATE)
>>   			csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_INTERLACED;
>>   		else
>>   			csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE;
> this patch is already merged in v4.18-rc7.

Ah, I just noticed that after a fetch from kernel.org, thanks.

Steve