[PATCH v5 2/4] drm: Expose wedge recovery methods

[Raag Jadav]

On Tue, Sep 17, 2024 at 10:49:07AM +0300, Jani Nikula wrote:
> On Tue, 17 Sep 2024, Raag Jadav <raag.jadav at intel.com> wrote:
> > Now that we have device wedged event in place, add wedge_recovery sysfs
> > attribute which will expose recovery methods supported by the DRM device.
> > This is useful for userspace consumers in cases where the device supports
> > multiple recovery methods which can be used as fallbacks.
> >
> > $ cat /sys/class/drm/card0/wedge_recovery
> > rebind
> > bus-reset
> > reboot
> >
> > Signed-off-by: Raag Jadav <raag.jadav at intel.com>
> > ---
> >  drivers/gpu/drm/drm_sysfs.c | 23 +++++++++++++++++++++++
> >  1 file changed, 23 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
> > index fb3bbb6adcd1..b88cdbfa3b5e 100644
> > --- a/drivers/gpu/drm/drm_sysfs.c
> > +++ b/drivers/gpu/drm/drm_sysfs.c
> > @@ -36,6 +36,8 @@
> >  #define to_drm_minor(d) dev_get_drvdata(d)
> >  #define to_drm_connector(d) dev_get_drvdata(d)
> >  
> > +extern const char *const wedge_recovery_opts[];
> 
> Data is not an interface. Please add a function for this.

For a single user?

> Side note, extern declarations for outside stuff don't belong in .c
> files anyway.

Sure.

Raag