Re: [PATCH v6 1/3] drm_fourcc: Add new P010, P016 video format

From: Ayaka
Date: Mon Mar 06 2017 - 15:27:51 EST




åæç iPad åé

> Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx> æ 2017å3æ7æ äå2:34 åéï
>
>> On Tue, Mar 07, 2017 at 01:58:23AM +0800, Ayaka wrote:
>>
>>
>> åæç iPad åé
>>
>>>> Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx> æ 2017å3æ6æ äå9:06 åéï
>>>>
>>>> On Sun, Mar 05, 2017 at 06:00:31PM +0800, Randy Li wrote:
>>>> P010 is a planar 4:2:0 YUV with interleaved UV plane, 10 bits
>>>> per channel video format.
>>>>
>>>> P016 is a planar 4:2:0 YUV with interleaved UV plane, 16 bits
>>>> per channel video format.
>>>>
>>>> V3: Added P012 and fixed cpp for P010
>>>> V4: format definition refined per review
>>>> V5: Format comment block for each new pixel format
>>>> V6: reversed Cb/Cr order in comments
>>>> v7: reversed Cb/Cr order in comments of header files, remove
>>>> the wrong part of commit message.
>>>
>>> What? Why? You just undid what Clint did in v6.
>> He missed a file also keeping the wrong description of rockchip.
>
> I don't follow. Who missed what exactly?
What he sent is v5, I increase the order number twice in the message, it confuse me as well.
I think Clint forgot the include/uapi/drm/drm_fourcc.h .
>
>
>>>
>>>>
>>>> Cc: Daniel Stone <daniel@xxxxxxxxxxxxx>
>>>> Cc: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>
>>>>
>>>> Signed-off-by: Randy Li <ayaka@xxxxxxxxxxx>
>>>> Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
>>>> ---
>>>> drivers/gpu/drm/drm_fourcc.c | 3 +++
>>>> include/uapi/drm/drm_fourcc.h | 21 +++++++++++++++++++++
>>>> 2 files changed, 24 insertions(+)
>>>>
>>>> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
>>>> index 90d2cc8..3e0fd58 100644
>>>> --- a/drivers/gpu/drm/drm_fourcc.c
>>>> +++ b/drivers/gpu/drm/drm_fourcc.c
>>>> @@ -165,6 +165,9 @@ const struct drm_format_info *__drm_format_info(u32 format)
>>>> { .format = DRM_FORMAT_UYVY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
>>>> { .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
>>>> { .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
>>>> + { .format = DRM_FORMAT_P010, .depth = 0, .num_planes = 2, .cpp = { 2, 4, 0 }, .hsub = 2, .vsub = 2 },
>>>> + { .format = DRM_FORMAT_P012, .depth = 0, .num_planes = 2, .cpp = { 2, 4, 0 }, .hsub = 2, .vsub = 2 },
>>>> + { .format = DRM_FORMAT_P016, .depth = 0, .num_planes = 2, .cpp = { 2, 4, 0 }, .hsub = 2, .vsub = 2 },
>>>> };
>>>>
>>>> unsigned int i;
>>>> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
>>>> index ef20abb..306f979 100644
>>>> --- a/include/uapi/drm/drm_fourcc.h
>>>> +++ b/include/uapi/drm/drm_fourcc.h
>>>> @@ -128,6 +128,27 @@ extern "C" {
>>>> #define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
>>>>
>>>> /*
>>>> + * 2 plane YCbCr MSB aligned
>>>> + * index 0 = Y plane, [15:0] Y:x [10:6] little endian
>>>> + * index 1 = Cb:Cr plane, [31:0] Cb:x:Cr:x [10:6:10:6] little endian
>>>> + */
>>>> +#define DRM_FORMAT_P010 fourcc_code('P', '0', '1', '0') /* 2x2 subsampled Cb:Cr plane 10 bits per channel */
>>>> +
>>>> +/*
>>>> + * 2 plane YCbCr MSB aligned
>>>> + * index 0 = Y plane, [15:0] Y:x [12:4] little endian
>>>> + * index 1 = Cb:Cr plane, [31:0] Cb:x:Cr:x [12:4:12:4] little endian
>>>> + */
>>>> +#define DRM_FORMAT_P012 fourcc_code('P', '0', '1', '2') /* 2x2 subsampled Cb:Cr plane 12 bits per channel */
>>>> +
>>>> +/*
>>>> + * 2 plane YCbCr MSB aligned
>>>> + * index 0 = Y plane, [15:0] Y little endian
>>>> + * index 1 = Cb:Cr plane, [31:0] Cb:Cr [16:16] little endian
>>>> + */
>>>> +#define DRM_FORMAT_P016 fourcc_code('P', '0', '1', '6') /* 2x2 subsampled Cb:Cr plane 16 bits per channel */
>>>> +
>>>> +/*
>>>> * 3 plane YCbCr
>>>> * index 0: Y plane, [7:0] Y
>>>> * index 1: Cb plane, [7:0] Cb
>>>> --
>>>> 2.7.4
>>>
>>> --
>>> Ville SyrjÃlÃ
>>> Intel OTC
>
> --
> Ville SyrjÃlÃ
> Intel OTC