Re: [PATCH v2 0/6] drm: byteorder fixes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Jan 11, 2019 at 10:08 AM Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote:
>
> On Fri, Jan 11, 2019 at 01:17:47AM -0500, Ilia Mirkin wrote:
> > Hi Gerd,
> >
> > What happened with this series (and the next one)?
>
> Landed upstream in 4.20.
>
> > Semi-relatedly, I wonder if it wouldn't be better to just dump the
> > BIG_ENDIAN flag and just define the "host" format to be the right one
> > for a consistent little-endian interpretation.
>
> Not fully sure what you mean here.
>
> The big endian flag is needed to specify RGB565 or XRGB1555 format in
> big endian byte order.  For 32 bit depth we don't need it because
> XRGB8888 big endian == BGRX8888 little endian (see also
> include/drm/drm_fourcc.h).

Yeah we'd need to add a few more fourcc codes for the missing
big-endian versions. Aside from that I like Ilia's idea of removing
the BIG_ENDIAN flag, it causes lots of aliasing among formats, doesn't
change anything with others, and we probably have a huge mess already
...
-Daniel

>
> cheers,
>   Gerd
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux