linux-kernel - Re: [PATCH v6] drm: add fourcc codes for 16bit R and RG

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170111154405.GA1916@mail.bwidawsk.net>
Date:   Wed, 11 Jan 2017 07:44:05 -0800
From:   Ben Widawsky <ben@...dawsk.net>
To:     Ville Syrjälä <ville.syrjala@...ux.intel.com>
Cc:     Christian König <deathsimple@...afone.de>,
        Rainer Hochecker <fernetmenta@...i.tv>,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, fernetmenta@...ine.de
Subject: Re: [PATCH v6] drm: add fourcc codes for 16bit R and RG

On 17-01-11 17:05:04, Ville Syrjälä wrote:
>On Thu, Jan 05, 2017 at 02:45:37PM +0100, Christian König wrote:
>> Am 05.01.2017 um 12:37 schrieb Ville Syrjälä:
>> > On Wed, Jan 04, 2017 at 07:38:55PM +0100, Rainer Hochecker wrote:
>> >> From: Rainer Hochecker <fernetmenta@...ine.de>
>> >>
>> >> This adds fourcc codes for 16bit planes required for DRM buffer
>> >> export to mesa.
>> >>
>> >> Signed-off-by: Rainer Hochecker <fernetmenta@...ine.de>
>> > Reviewed-by: Ville Syrjälä <ville.syrjala@...ux.intel.com>
>>
>> Good to see some work landing on that part, patch is Acked-by: Christian
>> König <christian.koenig@....com>.
>
>Has the userspace side of this been reviewed already?
>
>/me wonders if it's safe to push this...
>

I acked the mesa side, and Rainer sent a version 2 which also looked fine to me.
Let me bump that thread...

>>
>> >
>> >> ---
>> >>   include/uapi/drm/drm_fourcc.h | 7 +++++++
>> >>   1 file changed, 7 insertions(+)
>> >>
>> >> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
>> >> index a5890bf..d230e58 100644
>> >> --- a/include/uapi/drm/drm_fourcc.h
>> >> +++ b/include/uapi/drm/drm_fourcc.h
>> >> @@ -41,10 +41,17 @@ extern "C" {
>> >>   /* 8 bpp Red */
>> >>   #define DRM_FORMAT_R8		fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
>> >>
>> >> +/* 16 bpp Red */
>> >> +#define DRM_FORMAT_R16		fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
>> >> +
>> >>   /* 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 */
>> >>
>> >> +/* 32 bpp RG */
>> >> +#define DRM_FORMAT_RG1616	fourcc_code('R', 'G', '3', '2') /* [31:0] R:G 16:16 little endian */
>> >> +#define DRM_FORMAT_GR1616	fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 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 */
>> >> --
>> >> 2.9.3
>>
>
>-- 
>Ville Syrjälä
>Intel OTC