[Mesa-dev] VC4 not working for me with mesa 17.3.7

[Andreas Müller]

On Fri, Mar 30, 2018 at 4:18 PM, Andreas Müller <schnitzeltony at gmail.com> wrote:
> Hi,
>
> hope here is the right place for this - my first post.
>
> What happened: I build all images cross with Openembedded/Yocto. To
> prepare next release there I updated my builds and that moved mesa
> 17.1.7 -> 17.3.7. Since then all applications using GL/GLES (e.g
> glmark2-es - tried others - same) complain with
>
> | Modifier 0x0 vs. tiling (0x700000000000001) mismatch
>
> and drawable region remains black.
> There was some discussion on meta-raspberrypi mailing list and it
> seems to happen to others too [1].
>
> I've attached a patch. That fixes glmark2-es and many others but e.g
> on KDE desktop mouse pointer is just pixel dust so I think that my
> (naive) approach only works around an issue caused somewhere else. To
> ne honest my background understanding is poor but it seems that
> modifier gets not properly for all cases.
>
> [1] https://lists.yoctoproject.org/pipermail/yocto/2018-March/040587.html
>
> If further information is required, please let me know.
>
Forgot to mention: At wayland/weston glmark-es2-wayland works without
issues without modification. By source update xserver-xorg moved
1.19.3 -> 1.19.6

Andreas