Re: [PATCH] gpu/drm/hisilicon: Convert drm_atomic_helper_suspend/resume()

[Xinliang Liu]

Hi Souptick,

On Mon, 17 Sep 2018 at 15:40, Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
>
> On Tue, Sep 11, 2018 at 2:04 PM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
> >
> > On Mon, Aug 6, 2018 at 8:16 PM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
> > >
> > > convert drm_atomic_helper_suspend/resume() to use
> > > drm_mode_config_helper_suspend/resume().
> > >
> > > Fixed one sparse warning by making hibmc_drm_interrupt
> > > static.
> > >
> > > Signed-off-by: Ajit Negi <ajitn.linux@xxxxxxxxx>
> > > Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
> > > Reviewed-by: Xinliang Liu <z.liuxinliang@xxxxxxxxxxxxx>
> >
> > Can we get this patch in queue for 4.20 ??
>
> Daniel, can we get this patch in queue for 4.20, if no further comment  ?

Will send 4.20 drm-next pull for this patch. I am verifying it on our D05 board.

Thanks,
Xinliang

>
> >
> > > ---
> > > v2: remove ret variable from both suspend and resume.
> > >     remove suspend_state from hibmc_drm_private struct.
> > >
> > >  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 20 +++-----------------
> > >  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h |  1 -
> > >  2 files changed, 3 insertions(+), 18 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> > > index d4f6f1f..ee24480 100644
> > > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> > > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> > > @@ -37,7 +37,7 @@
> > >         .llseek         = no_llseek,
> > >  };
> > >
> > > -irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
> > > +static irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
> > >  {
> > >         struct drm_device *dev = (struct drm_device *)arg;
> > >         struct hibmc_drm_private *priv =
> > > @@ -74,30 +74,16 @@ static int __maybe_unused hibmc_pm_suspend(struct device *dev)
> > >  {
> > >         struct pci_dev *pdev = to_pci_dev(dev);
> > >         struct drm_device *drm_dev = pci_get_drvdata(pdev);
> > > -       struct hibmc_drm_private *priv = drm_dev->dev_private;
> > > -
> > > -       drm_kms_helper_poll_disable(drm_dev);
> > > -       priv->suspend_state = drm_atomic_helper_suspend(drm_dev);
> > > -       if (IS_ERR(priv->suspend_state)) {
> > > -               DRM_ERROR("drm_atomic_helper_suspend failed: %ld\n",
> > > -                         PTR_ERR(priv->suspend_state));
> > > -               drm_kms_helper_poll_enable(drm_dev);
> > > -               return PTR_ERR(priv->suspend_state);
> > > -       }
> > >
> > > -       return 0;
> > > +       return drm_mode_config_helper_suspend(drm_dev);
> > >  }
> > >
> > >  static int  __maybe_unused hibmc_pm_resume(struct device *dev)
> > >  {
> > >         struct pci_dev *pdev = to_pci_dev(dev);
> > >         struct drm_device *drm_dev = pci_get_drvdata(pdev);
> > > -       struct hibmc_drm_private *priv = drm_dev->dev_private;
> > >
> > > -       drm_atomic_helper_resume(drm_dev, priv->suspend_state);
> > > -       drm_kms_helper_poll_enable(drm_dev);
> > > -
> > > -       return 0;
> > > +       return drm_mode_config_helper_resume(drm_dev);
> > >  }
> > >
> > >  static const struct dev_pm_ops hibmc_pm_ops = {
> > > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> > > index e195521..45c25a4 100644
> > > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> > > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> > > @@ -47,7 +47,6 @@ struct hibmc_drm_private {
> > >         /* drm */
> > >         struct drm_device  *dev;
> > >         bool mode_config_initialized;
> > > -       struct drm_atomic_state *suspend_state;
> > >
> > >         /* ttm */
> > >         struct drm_global_reference mem_global_ref;
> > > --
> > > 1.9.1
> > >
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