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Re: [PATCH 2/4] drm: Add drm_object lease infrastructure

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On 03/04/17 01:31 AM, Keith Packard wrote:
> Daniel Vetter <daniel@ffwll.ch> writes:
> 
>> I'm also not sure whether we really want sub-leases in v1, that's easy
>> to add later on, but for now just complicates stuff. Main compositor
>> should be a full master, VR can be the first lease level, we don't
>> need more I think for now?
> 
> We've discussed how leases might be used to implement multi-user
> support, so offering sub-leases means that environment could also
> support leasing resources out from the users session.
> 
> We also just don't know how useful it might be until we explore the
> space a bit more.

It should only be added upstream once it's clear that it's useful.


> Given that it takes years to get new features into distributions, I
> tend to error on the side of generality.

Why would it take years? Distros seem to generally use the latest
upstream kernel release available at release/freeze.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

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[PATCH 0/4] drm: Add mode resource leasing Keith Packard <keithp@keithp.com> - 2017-04-01 19:20 +0200
  [PATCH 1/4] drm: Add new LEASE debug level Keith Packard <keithp@keithp.com> - 2017-04-01 19:20 +0200
  [PATCH 2/4] drm: Add drm_object lease infrastructure Keith Packard <keithp@keithp.com> - 2017-04-01 19:20 +0200
    Re: [PATCH 2/4] drm: Add drm_object lease infrastructure Daniel Vetter <daniel@ffwll.ch> - 2017-04-02 15:40 +0200
      Re: [PATCH 2/4] drm: Add drm_object lease infrastructure Keith Packard <keithp@keithp.com> - 2017-04-02 18:40 +0200
        Re: [PATCH 2/4] drm: Add drm_object lease infrastructure Michel Dänzer <michel@daenzer.net> - 2017-04-10 07:20 +0200
    Re: [PATCH 2/4] drm: Add drm_object lease infrastructure Daniel Vetter <daniel@ffwll.ch> - 2017-04-02 20:00 +0200
      Re: [PATCH 2/4] drm: Add drm_object lease infrastructure Keith Packard <keithp@keithp.com> - 2017-04-02 22:10 +0200
  [PATCH 3/4] drm: Check mode object lease status in all master ioctl paths Keith Packard <keithp@keithp.com> - 2017-04-01 19:20 +0200
    Re: [PATCH 3/4] drm: Check mode object lease status in all master  ioctl paths Daniel Vetter <daniel@ffwll.ch> - 2017-04-02 15:20 +0200
      Re: [PATCH 3/4] drm: Check mode object lease status in all master ioctl paths Keith Packard <keithp@keithp.com> - 2017-04-02 18:40 +0200
        Re: [PATCH 3/4] drm: Check mode object lease status in all master  ioctl paths Daniel Vetter <daniel@ffwll.ch> - 2017-04-03 10:00 +0200
      Re: [PATCH 3/4] drm: Check mode object lease status in all master ioctl paths Keith Packard <keithp@keithp.com> - 2017-04-10 06:50 +0200

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