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Re: [PATCH] drm: fourcc byteorder: brings header file comments in line with reality.

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On Fri, Apr 21, 2017 at 11:38:28AM +0200, Gerd Hoffmann wrote:
>   Hi,
> 
> > > Leaving the yuv formats as-is.  I have no idea if and how those are used
> > > on bigendian machines.
> 
> > just an idea - since we are not sure how the remaining formats are being
> > used, should those be marked somehow uncertain whether they are little
> > or native endian?
> 
> ATM the yuv don't have any byte order annotations, and I simply left
> them that way.  So it is as clear/unclear as before.

Eh? Everything that is affected by byte order has the relevant comments.
If they don't, then that's a bug.

> 
> IIRC someone mentioned that for the yuv fourccs there actually is some
> standard about the exact ordering.  Anyone has a good reference?  We
> could stick a link to it into a comment.

The "standard" is fourcc. Whether there is any official reference for
that is unclear. That's exactly why I added the explicit comments into
drm_fourcc.h so that people don't have to go trawling the internets
looking for information on what each pixel format might mean.

-- 
Ville Syrjälä
Intel OTC

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[PATCH] drm: fourcc byteorder: brings header file comments in line with reality. Gerd Hoffmann <kraxel@redhat.com> - 2017-04-21 10:00 +0200
  Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Pekka Paalanen <ppaalanen@gmail.com> - 2017-04-21 10:10 +0200
    Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Gerd Hoffmann <kraxel@redhat.com> - 2017-04-21 11:40 +0200
      Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-21 11:50 +0200
  Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-21 11:30 +0200
    Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Gerd Hoffmann <kraxel@redhat.com> - 2017-04-21 12:00 +0200
      Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-21 13:10 +0200
        Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Gerd Hoffmann <kraxel@redhat.com> - 2017-04-21 13:50 +0200
        Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Pekka Paalanen <ppaalanen@gmail.com> - 2017-04-21 13:50 +0200
          Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-21 13:50 +0200
        Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Gerd Hoffmann <kraxel@redhat.com> - 2017-04-21 15:20 +0200
          Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Christian König <deathsimple@vodafone.de> - 2017-04-21 15:30 +0200
          Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Gerd Hoffmann <kraxel@redhat.com> - 2017-04-21 23:40 +0200
            Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-22 12:10 +0200
              Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Gerd Hoffmann <kraxel@redhat.com> - 2017-04-23 00:00 +0200
              Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Michel Dänzer <michel@daenzer.net> - 2017-04-24 09:00 +0200
                Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-24 15:10 +0200
      Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-21 13:10 +0200
  Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ilia Mirkin <imirkin@alum.mit.edu> - 2017-04-21 17:30 +0200
    Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-21 20:20 +0200
      Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ilia Mirkin <imirkin@alum.mit.edu> - 2017-04-22 07:10 +0200
        Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-22 12:00 +0200
          Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ilia Mirkin <imirkin@alum.mit.edu> - 2017-04-22 15:50 +0200
            Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ilia Mirkin <imirkin@alum.mit.edu> - 2017-04-22 15:50 +0200
              Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Ilia Mirkin <imirkin@alum.mit.edu> - 2017-04-22 21:30 +0200
                Re: [PATCH] drm: fourcc byteorder: brings header file comments in  line with reality. Michel Dänzer <michel@daenzer.net> - 2017-04-24 08:40 +0200

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