linux-kernel - Re: [PATCH] gpu/drm/hisilicon: Convert drm_atomic_helper

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Date:   Thu, 2 Aug 2018 15:27:29 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     z.liuxinliang@...ilicon.com, Zou Rongrong <zourongrong@...il.com>,
        kong.kongxinwei@...ilicon.com, puck.chen@...ilicon.com,
        airlied@...ux.ie, noralf@...nnes.org,
        Souptick Joarder <jrdr.linux@...il.com>,
        Sean Paul <seanpaul@...omium.org>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Ajit Linux <ajitn.linux@...il.com>,
        Sabyasachi Gupta <sabyasachi.linux@...il.com>,
        Brajeswar Ghosh <brajeswar.linux@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH] gpu/drm/hisilicon: Convert drm_atomic_helper_suspend/resume()

On Thu, Jul 26, 2018 at 1:37 PM, Souptick Joarder <jrdr.linux@...il.com> wrote:
> On Thu, Jul 19, 2018 at 9:34 PM, Souptick Joarder <jrdr.linux@...il.com> 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: Souptick Joarder <jrdr.linux@...il.com>
>> Signed-off-by: Ajit Negi <ajitn.linux@...il.com>
>> ---
>
> Any comment on this patch ?

Any review comment for this patch ?

>
>>  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 24 ++++++++----------------
>>  1 file changed, 8 insertions(+), 16 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..2261676 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 +74,22 @@ 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);
>> -       }
>> +       int ret = 0;
>>
>> -       return 0;
>> +       ret = drm_mode_config_helper_suspend(drm_dev);
>> +
>> +       return ret;
>>  }
>>
>>  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;
>> +       int ret = 0;
>>
>> -       drm_atomic_helper_resume(drm_dev, priv->suspend_state);
>> -       drm_kms_helper_poll_enable(drm_dev);
>> +       ret = drm_mode_config_helper_resume(drm_dev);
>>
>> -       return 0;
>> +       return ret;
>>  }
>>
>>  static const struct dev_pm_ops hibmc_pm_ops = {
>> --
>> 1.9.1
>>