2021-01-18 19:59:07

by Robert Foss

[permalink] [raw]
Subject: Re: [PATCH v4] media: ov8856: Configure sensor for GRBG Bayer for all modes

I was going for row, but got a bit wild with the Ctrl-C + Ctrl-V, is
that alright with you?

On Mon, 18 Jan 2021 at 20:28, Andrey Konovalov
<[email protected]> wrote:
>
> Oops.. I've missed a few mistypes
>
> On 18.01.2021 22:18, Andrey Konovalov wrote:
> > Hi Robert,
> >
> > Thanks for you patch!
> >
> > Reviewed-by: Andrey Konovalov <[email protected]>
> >
> > On 18.01.2021 22:01, Robert Foss wrote:
> >> The previously added modes 3264x2448 & 1632x1224 are actually
> >> configuring the sensor for BGGR mode, this is an issue since
> >> the mode that is exposed through V4L incorrectly is set as GRBG.
> >>
> >> This patch fixes the issue by moving the output crop window of
> >> internal sensor ISP uses by one row, which means that the Bayer
> >> pattern of the output is changed.
> >>
> >> From:
> >> row 1: B G B G B G ...
> >> row 2: G R G R G R ...
> >> raw 3: B G B G B G ...
> - row
> >> ...
> >>
> >> To:
> >> raw 2: G R G R G R ...
> - row
> >> raw 3: B G B G B G ...
> - row
>
> Thanks,
> Andrey
>
> >> ...
> >>
> >> Signed-off-by: Robert Foss <[email protected]>
> >> Suggested-by: Andrey Konovalov <[email protected]>
> >> ---
> >>
> >> Changes since v1:
> >> - Sakari: Added mode information to ov8856_mode struct
> >> - Sakari: enum_mbus_code updated
> >>
> >> Changes since v2:
> >> - Andrey: Switched approach to changing the sensor configuration
> >> to yield identical Bayer modes for all modes
> >>
> >> Changes since v3:
> >> - Andrey: Improve commit msg to explain Bayer shift better
> >>
> >> drivers/media/i2c/ov8856.c | 4 ++--
> >> 1 file changed, 2 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c
> >> index 2f4ceaa80593..8a355135c7db 100644
> >> --- a/drivers/media/i2c/ov8856.c
> >> +++ b/drivers/media/i2c/ov8856.c
> >> @@ -428,7 +428,7 @@ static const struct ov8856_reg mode_3264x2448_regs[] = {
> >> {0x3810, 0x00},
> >> {0x3811, 0x04},
> >> {0x3812, 0x00},
> >> - {0x3813, 0x02},
> >> + {0x3813, 0x01},
> >> {0x3814, 0x01},
> >> {0x3815, 0x01},
> >> {0x3816, 0x00},
> >> @@ -821,7 +821,7 @@ static const struct ov8856_reg mode_1632x1224_regs[] = {
> >> {0x3810, 0x00},
> >> {0x3811, 0x02},
> >> {0x3812, 0x00},
> >> - {0x3813, 0x02},
> >> + {0x3813, 0x01},
> >> {0x3814, 0x03},
> >> {0x3815, 0x01},
> >> {0x3816, 0x00},
> >>


2021-01-19 05:15:36

by Andrey Konovalov

[permalink] [raw]
Subject: Re: [PATCH v4] media: ov8856: Configure sensor for GRBG Bayer for all modes

Hi Robert,

On 18.01.2021 22:54, Robert Foss wrote:
> I was going for row, but got a bit wild with the Ctrl-C + Ctrl-V, is

Yeah... "raw" was in my original text

> that alright with you?

Other than these few raw vs row mistypes the patch is fine for me.
My Reviewed-by tag holds.

Thanks,
Andrey

> On Mon, 18 Jan 2021 at 20:28, Andrey Konovalov
> <[email protected]> wrote:
>>
>> Oops.. I've missed a few mistypes
>>
>> On 18.01.2021 22:18, Andrey Konovalov wrote:
>>> Hi Robert,
>>>
>>> Thanks for you patch!
>>>
>>> Reviewed-by: Andrey Konovalov <[email protected]>
>>>
>>> On 18.01.2021 22:01, Robert Foss wrote:
>>>> The previously added modes 3264x2448 & 1632x1224 are actually
>>>> configuring the sensor for BGGR mode, this is an issue since
>>>> the mode that is exposed through V4L incorrectly is set as GRBG.
>>>>
>>>> This patch fixes the issue by moving the output crop window of
>>>> internal sensor ISP uses by one row, which means that the Bayer
>>>> pattern of the output is changed.
>>>>
>>>> From:
>>>> row 1: B G B G B G ...
>>>> row 2: G R G R G R ...
>>>> raw 3: B G B G B G ...
>> - row
>>>> ...
>>>>
>>>> To:
>>>> raw 2: G R G R G R ...
>> - row
>>>> raw 3: B G B G B G ...
>> - row
>>
>> Thanks,
>> Andrey
>>
>>>> ...
>>>>
>>>> Signed-off-by: Robert Foss <[email protected]>
>>>> Suggested-by: Andrey Konovalov <[email protected]>
>>>> ---
>>>>
>>>> Changes since v1:
>>>> - Sakari: Added mode information to ov8856_mode struct
>>>> - Sakari: enum_mbus_code updated
>>>>
>>>> Changes since v2:
>>>> - Andrey: Switched approach to changing the sensor configuration
>>>> to yield identical Bayer modes for all modes
>>>>
>>>> Changes since v3:
>>>> - Andrey: Improve commit msg to explain Bayer shift better
>>>>
>>>> drivers/media/i2c/ov8856.c | 4 ++--
>>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c
>>>> index 2f4ceaa80593..8a355135c7db 100644
>>>> --- a/drivers/media/i2c/ov8856.c
>>>> +++ b/drivers/media/i2c/ov8856.c
>>>> @@ -428,7 +428,7 @@ static const struct ov8856_reg mode_3264x2448_regs[] = {
>>>> {0x3810, 0x00},
>>>> {0x3811, 0x04},
>>>> {0x3812, 0x00},
>>>> - {0x3813, 0x02},
>>>> + {0x3813, 0x01},
>>>> {0x3814, 0x01},
>>>> {0x3815, 0x01},
>>>> {0x3816, 0x00},
>>>> @@ -821,7 +821,7 @@ static const struct ov8856_reg mode_1632x1224_regs[] = {
>>>> {0x3810, 0x00},
>>>> {0x3811, 0x02},
>>>> {0x3812, 0x00},
>>>> - {0x3813, 0x02},
>>>> + {0x3813, 0x01},
>>>> {0x3814, 0x03},
>>>> {0x3815, 0x01},
>>>> {0x3816, 0x00},
>>>>