[Intel-gfx] [PATCH] libdrm/fourcc: Add formats R8, RG88, GR88, NV24, NV42

Hwang, Dongseong dongseong.hwang at intel.com
Thu Apr 21 17:45:48 UTC 2016


As it's landed in kernel, it doesn't need ack from client users.
Sorry for noise.

In addition, I'll send new patch with tree and commit sha info.

- Dongseong

On Thu, Apr 21, 2016 at 7:06 PM, Hwang, Dongseong <dongseong.hwang at intel.com
> wrote:

> Hi Stéphane and Daniele,
>
> Could you give me lgtm?
> Daniel wants someone from client side to ack this change in order to land
> it.
>
> Kind Regards,
> Dongseong
>
> On Thu, Apr 21, 2016 at 7:02 PM, Dongseong Hwang <
> dongseong.hwang at intel.com> wrote:
>
>> Follow-up of kernel patch:
>> https://lists.freedesktop.org/archives/dri-devel/2015-July/086041.html
>>
>> Generate it using `make headers_install`
>>
>> ChromeOS will use new format to optimize video decoding.
>>
>> CC: Stéphane Marchesin <marcheu at chromium.org>
>> CC: Daniele Castagna <dcastagna at chromium.org>
>> Cc: Rainer Hochecker <rainer.hochecker at onlinehome.de>
>> Cc: Benjamin Widawsky <benjamin.widawsky at intel.com>
>> CC: Chad Versace <chad.versace at intel.com>
>> Signed-off-by: Dongseong Hwang <dongseong.hwang at intel.com>
>> ---
>>  include/drm/drm_fourcc.h | 11 ++++++++++-
>>  1 file changed, 10 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
>> index e741b09..bf68099 100644
>> --- a/include/drm/drm_fourcc.h
>> +++ b/include/drm/drm_fourcc.h
>> @@ -34,6 +34,13 @@
>>  /* color index */
>>  #define DRM_FORMAT_C8          fourcc_code('C', '8', ' ', ' ') /* [7:0]
>> C */
>>
>> +/* 8 bpp Red */
>> +#define DRM_FORMAT_R8          fourcc_code('R', '8', ' ', ' ') /* [7:0]
>> R */
>> +
>> +/* 16 bpp RG */
>> +#define DRM_FORMAT_RG88                fourcc_code('R', 'G', '8', '8')
>> /* [15:0] R:G 8:8 little endian */
>> +#define DRM_FORMAT_GR88                fourcc_code('G', 'R', '8', '8')
>> /* [15:0] G:R 8:8 little endian */
>> +
>>  /* 8 bpp RGB */
>>  #define DRM_FORMAT_RGB332      fourcc_code('R', 'G', 'B', '8') /* [7:0]
>> R:G:B 3:3:2 */
>>  #define DRM_FORMAT_BGR233      fourcc_code('B', 'G', 'R', '8') /* [7:0]
>> B:G:R 2:3:3 */
>> @@ -106,6 +113,8 @@
>>  #define DRM_FORMAT_NV21                fourcc_code('N', 'V', '2', '1')
>> /* 2x2 subsampled Cb:Cr plane */
>>  #define DRM_FORMAT_NV16                fourcc_code('N', 'V', '1', '6')
>> /* 2x1 subsampled Cr:Cb plane */
>>  #define DRM_FORMAT_NV61                fourcc_code('N', 'V', '6', '1')
>> /* 2x1 subsampled Cb:Cr plane */
>> +#define DRM_FORMAT_NV24                fourcc_code('N', 'V', '2', '4')
>> /* non-subsampled Cr:Cb plane */
>> +#define DRM_FORMAT_NV42                fourcc_code('N', 'V', '4', '2')
>> /* non-subsampled Cb:Cr plane */
>>
>>  /*
>>   * 3 plane YCbCr
>> @@ -216,7 +225,7 @@
>>   * - multiple of 128 pixels for the width
>>   * - multiple of  32 pixels for the height
>>   *
>> - * For more information: see
>> http://linuxtv.org/downloads/v4l-dvb-apis/re32.html
>> + * For more information: see
>> https://linuxtv.org/downloads/v4l-dvb-apis/re32.html
>>   */
>>  #define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE      fourcc_mod_code(SAMSUNG,
>> 1)
>>
>> --
>> 2.5.0
>>
>>
>
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