linux-kernel - Re: [PATCH] drm/virtio: Allow userspace to mmap() framebuffer

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Message-ID: <3cc19ef13bdc605a4c2222dcdb262b8e06b38e77.camel@gmail.com>
Date:   Fri, 01 Mar 2019 08:22:19 -0600
From:   Joshua Watt <jpewhacker@...il.com>
To:     Gerd Hoffmann <kraxel@...hat.com>
Cc:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/virtio: Allow userspace to mmap() framebuffer

On Fri, 2019-03-01 at 06:51 +0100, Gerd Hoffmann wrote:
> On Thu, Feb 28, 2019 at 10:47:41AM -0600, Joshua Watt wrote:
> > Reports the size of the virtgpu framebuffer to userspace and
> > installs
> > the deferred I/O handlers so that userspace can mmap() and write to
> > it.
> 
> Fixed already, as side effect of switching virtio to the generic
> fbdev
> emulation.  Patches are in the drm-misc-next branch and should land
> upstream in the 5.1 merge window.

Excellent. I gave it a try and that did what I needed. Thanks!

> 
> cheers,
>   Gerd
> 
-- 
Joshua Watt <JPEWhacker@...il.com>