On Tue, Jan 29, 2019 at 10:02:32AM +0100, Noralf Trønnes wrote:
>
>
> Den 29.01.2019 09.56, skrev Daniel Vetter:
> > It's probably not what you want, definitely not after Noralf's work to
> > add drm_dev_enter/exit.
> >
> > Cc: Noralf Trønnes <noralf@xxxxxxxxxxx>
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > ---
>
> Reviewed-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
Thanks for your review, applied. btw I noticed that we also have plenty of
drm_dev_is_unplugged in the core, not sure what to do about those.
-Daniel
>
> > include/drm/drm_drv.h | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
> > index 9a688cf12881..ca46a45a9cce 100644
> > --- a/include/drm/drm_drv.h
> > +++ b/include/drm/drm_drv.h
> > @@ -740,6 +740,10 @@ void drm_dev_unplug(struct drm_device *dev);
> > * Unplugging itself is singalled through drm_dev_unplug(). If a device is
> > * unplugged, these two functions guarantee that any store before calling
> > * drm_dev_unplug() is visible to callers of this function after it completes
> > + *
> > + * WARNING: This function fundamentally races against drm_dev_unplug(). It is
> > + * recommended that drivers instead use the underlying drm_dev_enter() and
> > + * drm_dev_exit() function pairs.
> > */
> > static inline bool drm_dev_is_unplugged(struct drm_device *dev)
> > {
> >
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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