On Wed, Sep 23, 2020 at 6:13 AM Dave Stevenson
<dave.stevenson@xxxxxxxxxxxxxxx> wrote:
>
> Hi
>
> On Wed, 23 Sep 2020 at 08:53, Li Heng <liheng40@xxxxxxxxxx> wrote:
> >
> > This addresses the following gcc warning with "make W=1":
> >
> > drivers/gpu/drm/v3d/v3d_drv.c:73:32: warning:
> > ‘v3d_v3d_pm_ops’ defined but not used [-Wunused-const-variable=]
> >
> > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> > Signed-off-by: Li Heng <liheng40@xxxxxxxxxx>
> > ---
> > drivers/gpu/drm/v3d/v3d_drv.c | 4 ----
> > 1 file changed, 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
> > index 9f7c261..05140db 100644
> > --- a/drivers/gpu/drm/v3d/v3d_drv.c
> > +++ b/drivers/gpu/drm/v3d/v3d_drv.c
> > @@ -70,10 +70,6 @@ static int v3d_runtime_resume(struct device *dev)
> > }
> > #endif
> >
> > -static const struct dev_pm_ops v3d_v3d_pm_ops = {
> > - SET_RUNTIME_PM_OPS(v3d_runtime_suspend, v3d_runtime_resume, NULL)
> > -};
> > -
>
> This looks to be the wrong approach, and I think a patch has got
> dropped somewhere.
>
> On our Raspberry Pi downstream vendor tree we have a patch [1] from
> Eric that renames v3d_v3d_pm_ops to v3d_pm_ops (don't need the
> duplicated suffix), and adds it to v3d_platform_driver. Why that never
> made it through the mainline trees I don't know.
>
> Eric: How good's your memory on this one?
The RPM stuff ended up abandoned because I didn't have any support in
debugging the power domain driver and I punted for a downstream hack.
We should at least be using these ops, though.
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