[PATCH v3] drm/doc: device hot-unplug for userspace

[Pekka Paalanen]

On Mon,  1 Jun 2020 17:32:03 +0300
Pekka Paalanen <ppaalanen at gmail.com> wrote:

> Set up the expectations on how hot-unplugging a DRM device should look like to
> userspace.
> 
> Written by Daniel Vetter's request and largely based on his comments in IRC and
> from https://lists.freedesktop.org/archives/dri-devel/2020-May/265484.html .
> 
> A related Wayland protocol change proposal is at
> https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/35
> 
> Signed-off-by: Pekka Paalanen <pekka.paalanen at collabora.com>

Hi,

how's this version looking? Anything to fix?


Thanks,
pq


> 
> ---
> 
> v3:
> - update ENODEV doc (Daniel)
> - clarify existing vs. new mmaps (Andrey)
> - split into KMS and render/cross sections (Andrey, Daniel)
> - open() returns ENXIO (open(2) man page)
> - ioctls may return ENODEV (Andrey, Daniel)
> - new wayland-protocols MR
> 
> v2:
> - mmap reads/writes undefined (Daniel)
> - make render ioctl behaviour driver-specific (Daniel)
> - restructure the mmap paragraphs (Daniel)
> - chardev minor notes (Simon)
> - open behaviour (Daniel)
> - DRM leasing behaviour (Daniel)
> - added links
> 
> Disclaimer: I am a userspace developer writing for other userspace developers.
> I took some liberties in defining what should happen without knowing what is
> actually possible or what existing drivers already implement.
> ---
>  Documentation/gpu/drm-uapi.rst | 114 ++++++++++++++++++++++++++++++++-
>  1 file changed, 113 insertions(+), 1 deletion(-)

Sorry to trim like this, but gmail refuses to send my email otherwise.
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