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Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls.

From Daniel Stone <daniel@fooishbar.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls.
Date 2017-06-13 10:40 +0200
Message-ID <tRPwK-5EB-19@gated-at.bofh.it> (permalink)
References <tPTl8-5lN-33@gated-at.bofh.it> <tPTl8-5lN-35@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Eric,

On 8 June 2017 at 01:13, Eric Anholt <eric@anholt.net> wrote:
> This allows mesa to set the tiling format for a BO and have that
> tiling format be respected by mesa on the other side of an
> import/export (and by vc4 scanout in the kernel), without defining a
> protocol to pass the tiling through userspace.

I posted a DRI3 v1.1 patch series which can advertise and also transit
modifiers directly under X11, and have also typed up the support for
Wayland which is working just fine with Weston from git. If you
implement DRIimage v15 to advertise and import modifiers, then you can
transit them for free without a magic-back-channel ioctl. Would that
be enough to convince you to drop this series?

Cheers,
Daniel

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Thread

[PATCH 1/2] drm/vc4: Add T-format scanout support. Eric Anholt <eric@anholt.net> - 2017-06-08 02:20 +0200
  [PATCH 2/2] drm/vc4: Add get/set tiling ioctls. Eric Anholt <eric@anholt.net> - 2017-06-08 02:20 +0200
    Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls. Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-13 09:50 +0200
      Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls. Eric Anholt <eric@anholt.net> - 2017-06-16 00:20 +0200
    Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls. Daniel Stone <daniel@fooishbar.org> - 2017-06-13 10:40 +0200
      Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls. Eric Anholt <eric@anholt.net> - 2017-06-13 17:50 +0200
        Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls. Daniel Stone <daniel@fooishbar.org> - 2017-06-16 11:10 +0200
          Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls. Eric Anholt <eric@anholt.net> - 2017-06-16 20:10 +0200
  Re: [PATCH 1/2] drm/vc4: Add T-format scanout support. Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-13 09:50 +0200

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