Hi,
> > More useful would be some way to signal this self-reimport capability
> > to userspace somehow. See DRM_PRIME_CAP_LOCAL patch.
>
> Userspace is supposed to test whether import/export works for a
> specific combo, not blindly assume it does and then keel over. I think
> we need to fix that, not add more flags - there's lots of reasons why
> a given pair of devices can't share buffers (e.g. all the contiguous
> allocations stuff on socs).
Ok. Lets scratch the DRM_PRIME_CAP_LOCAL idea then and blame userspace
instead.
> > Right now I have the choice to set DRM_PRIME_CAP_{IMPORT,EXPORT}, in
> > which case some userspace assumes it can do cross-driver export/import
> > and trips over that not working. Or I do not set
> > DRM_PRIME_CAP_{IMPORT,EXPORT}, which breaks DRI3 ...
>
> Yeah that's not an option.
Good. Can I get an ack for this patch then, as it unbreaks DRI3 with qxl?
thanks,
Gerd
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