drm: make drm_file use keyed wakeups

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Some processes, such as systemd, are only polling for EPOLLERR|EPOLLHUP.
As drm_file uses unkeyed wakeups, such a poll receives many spurious
wakeups from uninteresting events.

Use keyed wakeups to allow the wakeup target to more efficiently discard
these uninteresting events.

Signed-off-by: Kenny Levinsen <kl@kl.wtf>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200424145103.3048-1-kl@kl.wtf

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Kenny Levinsen 2020-04-24 16:51:03 +02:00 • committed by Daniel Vetter

parent d839494924

commit 87189b7895

1 changed files with 4 additions and 2 deletions

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drivers/gpu/drm/drm_file.c

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