From: "james qian wang (Arm Technology China)" <james.qian.wang@arm.com>
To: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Vincenzo Frascino <Vincenzo.Frascino@arm.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Mihail Atanassov <Mihail.Atanassov@arm.com>,
Brian Starkey <Brian.Starkey@arm.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
nd@arm.com
Subject: Re: [PATCH] drm: komeda: Make rt_pm_ops dependent on CONFIG_PM
Date: Fri, 6 Mar 2020 12:14:07 +0800 [thread overview]
Message-ID: <20200306041407.GA27096@jamwan02-TSP300> (raw)
In-Reply-To: <20200305184255.GH364558@e110455-lin.cambridge.arm.com>
On Fri, Mar 06, 2020 at 02:42:55AM +0800, Liviu Dudau wrote:
> On Wed, Mar 04, 2020 at 02:54:12PM +0000, Vincenzo Frascino wrote:
> > komeda_rt_pm_suspend() and komeda_rt_pm_resume() are compiled only when
> > CONFIG_PM is enabled. Having it disabled triggers the following warning
> > at compile time:
> >
> > linux/drivers/gpu/drm/arm/display/komeda/komeda_drv.c:156:12:
> > warning: ‘komeda_rt_pm_resume’ defined but not used [-Wunused-function]
> > static int komeda_rt_pm_resume(struct device *dev)
> > ^~~~~~~~~~~~~~~~~~~
> > linux/drivers/gpu/drm/arm/display/komeda/komeda_drv.c:149:12:
> > warning: ‘komeda_rt_pm_suspend’ defined but not used [-Wunused-function]
> > static int komeda_rt_pm_suspend(struct device *dev)
> >
> > Make komeda_rt_pm_suspend() and komeda_rt_pm_resume() dependent on
> > CONFIG_PM to address the issue.
> >
> > Cc: "James (Qian) Wang" <james.qian.wang@arm.com>
> > Cc: Liviu Dudau <liviu.dudau@arm.com>
> > Cc: Mihail Atanassov <mihail.atanassov@arm.com>
> > Cc: Brian Starkey <brian.starkey@arm.com>
> > Cc: David Airlie <airlied@linux.ie>
> > Cc: Daniel Vetter <daniel@ffwll.ch>
> > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
>
Hi Vincenzo:
Thanks for the patch.
and Vincenzo & Liviu, sorry
Since there is a patch for this problem already:
https://patchwork.freedesktop.org/series/71721/
And I have pushed that old fix to drm-misc-fixes just before I saw
this mail. sorry.
> Acked-by: Liviu Dudau <liviu.dudau@arm.com>
>
> Thanks for the patch, I will push it into drm-misc-fixes tomorrow.
>
> Best regards,
> Liviu
>
> > ---
> > drivers/gpu/drm/arm/display/komeda/komeda_drv.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
> > index ea5cd1e17304..dd3ae3d88687 100644
> > --- a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
> > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c
> > @@ -146,6 +146,7 @@ static const struct of_device_id komeda_of_match[] = {
> >
> > MODULE_DEVICE_TABLE(of, komeda_of_match);
> >
> > +#ifdef CONFIG_PM
> > static int komeda_rt_pm_suspend(struct device *dev)
> > {
> > struct komeda_drv *mdrv = dev_get_drvdata(dev);
> > @@ -159,6 +160,7 @@ static int komeda_rt_pm_resume(struct device *dev)
> >
> > return komeda_dev_resume(mdrv->mdev);
> > }
> > +#endif /* CONFIG_PM */
> >
> > static int __maybe_unused komeda_pm_suspend(struct device *dev)
> > {
> > --
> > 2.25.1
> >
>
> --
> ====================
> | I would like to |
> | fix the world, |
> | but they're not |
> | giving me the |
> \ source code! /
> ---------------
> ¯\_(ツ)_/¯
next prev parent reply other threads:[~2020-03-06 4:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-04 14:54 [PATCH] drm: komeda: Make rt_pm_ops dependent on CONFIG_PM Vincenzo Frascino
2020-03-05 18:42 ` Liviu Dudau
2020-03-06 4:14 ` james qian wang (Arm Technology China) [this message]
2020-03-06 9:51 ` Vincenzo Frascino
2020-03-06 9:52 ` Vincenzo Frascino
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