[Mesa-dev] [PATCH] egl: Make EGL_EXT_device_drm optional.

[Mathias Fröhlich]

Emil,

Ok, I thought Ilja is a reference here. In this case forget that change!
Thanks!

best

Mathias

On Friday, 28 June 2019 18:26:07 CEST Emil Velikov wrote:
> On 2019/06/28, Mathias.Froehlich at gmx.net wrote:
> > From: Mathias Fröhlich <mathias.froehlich at web.de>
> > 
> > Hi,
> > 
> > Ilia mentioned that there are drm rendernode only drivers out there.
> > To support an egl device on those platforms, make the EGL_EXT_device_drm
> > device extension optional.
> > 
> Currently DRM core mandates that primary node is available, even for GPU
> only devices.
> 
> A while back, we had a chat with kernel people why we do so. IIRC the
> conclustion was that existing userspace will just work, since it already
> must handle cases when you unplug your only monitor.
> 
> I think Ilia was having a pretty reasonable assumption, that's why I did
> before digging deeper, as opposed to saying there _are_ such cases.
> 
> HTH
> Emil
>