On Mon, 1 Jun 2020 17:32:03 +0300 Pekka Paalanen <ppaalanen@xxxxxxxxx> 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@xxxxxxxxxxxxx> 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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