[PATCH] dri2proto: add prime protocol support. (v2.1)
krh at bitplanet.net
Fri Jul 6 08:02:39 PDT 2012
On Fri, Jul 6, 2012 at 9:41 AM, Dave Airlie <airlied at gmail.com> wrote:
> On Fri, Jul 6, 2012 at 2:32 PM, Kristian Høgsberg <krh at bitplanet.net> wrote:
>> On Fri, Jul 6, 2012 at 6:27 AM, Dave Airlie <airlied at gmail.com> wrote:
>>> From: Dave Airlie <airlied at redhat.com>
>>> So we reserve bits 16->19 for offload device ids, this means we can
>>> have 6 offload devices, which is plenty for now, and we can bump
>>> this further later without fear.
>>> v2: I suck at maths, that is all. Fixed up the maths to match reality.
>>> v2.1: fix typo
>> Looks fine to me. Is there a version bump that goes along with this
>> so drivers can know they can ask for prime devices or should they just
>> try and expect a NULL reply if it's not available?
> Drivers don't ever know about prime, its all hidden in the
> server/libGL/dri2 layers.
Ah, I meant client side / aiglx there, ie how does the caller know
that there are prime device types available. But just asking and
getting NULL sounds fine.
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