On Thu, Sep 26, 2024 at 10:45:44AM -0400, Rodrigo Vivi wrote:
> On Wed, Sep 25, 2024 at 05:45:23PM +0300, Ville Syrjala wrote:
> > From: Ville Syrjälä <[email protected]>
> > 
> > Stop spelling out each variant of the hook ("" vs. "_late" vs.
> > "_early") and just say eg. "@thaw*" to indicate all of them.
> > Avoids having to update the docs whenever we start/stop using
> > one of the variants.
> 
> That or simply remove them all and refer only to the pm documentation?
> "Entering Hibernation" of Documentation/driver-api/pm/devices.rst

That's not very succinct. Having a better quick overview
of the whole situation might still be nice. 

> 
> > 
> > Cc: Bjorn Helgaas <[email protected]>
> > Cc: "Rafael J. Wysocki" <[email protected]>
> > Cc: Rodrigo Vivi <[email protected]>
> > Cc: [email protected]
> > Cc: [email protected]
> > Signed-off-by: Ville Syrjälä <[email protected]>
> > ---
> >  drivers/gpu/drm/i915/i915_driver.c | 24 ++++++++++++------------
> >  1 file changed, 12 insertions(+), 12 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_driver.c 
> > b/drivers/gpu/drm/i915/i915_driver.c
> > index 9d557ff8adf5..1e5abf72dfc4 100644
> > --- a/drivers/gpu/drm/i915/i915_driver.c
> > +++ b/drivers/gpu/drm/i915/i915_driver.c
> > @@ -1644,18 +1644,18 @@ const struct dev_pm_ops i915_pm_ops = {
> >  
> >     /*
> >      * S4 event handlers
> > -    * @freeze, @freeze_late    : called (1) before creating the
> > -    *                            hibernation image [PMSG_FREEZE] and
> > -    *                            (2) after rebooting, before restoring
> > -    *                            the image [PMSG_QUIESCE]
> > -    * @thaw, @thaw_early       : called (1) after creating the hibernation
> > -    *                            image, before writing it [PMSG_THAW]
> > -    *                            and (2) after failing to create or
> > -    *                            restore the image [PMSG_RECOVER]
> > -    * @poweroff, @poweroff_late: called after writing the hibernation
> > -    *                            image, before rebooting [PMSG_HIBERNATE]
> > -    * @restore, @restore_early : called after rebooting and restoring the
> > -    *                            hibernation image [PMSG_RESTORE]
> > +    * @freeze*   : called (1) before creating the
> > +    *              hibernation image [PMSG_FREEZE] and
> > +    *              (2) after rebooting, before restoring
> > +    *              the image [PMSG_QUIESCE]
> > +    * @thaw*     : called (1) after creating the hibernation
> > +    *              image, before writing it [PMSG_THAW]
> > +    *              and (2) after failing to create or
> > +    *              restore the image [PMSG_RECOVER]
> > +    * @poweroff* : called after writing the hibernation
> > +    *              image, before rebooting [PMSG_HIBERNATE]
> > +    * @restore*  : called after rebooting and restoring the
> > +    *              hibernation image [PMSG_RESTORE]
> >      */
> >     .freeze = i915_pm_freeze,
> >     .freeze_late = i915_pm_freeze_late,
> > -- 
> > 2.44.2
> > 

-- 
Ville Syrjälä
Intel

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