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

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On 10/09/18 09:45, Souptick Joarder wrote:
> On Wed, Aug 8, 2018 at 9:43 PM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
>>
>> convert drm_atomic_helper_suspend/resume() to use
>> drm_mode_config_helper_suspend/resume().
>>
>> saved_state in tilcdc_drm_private will not be used
>> anymore, so it can be removed.
> 
> Any comment on this patch ?

I planned to test this out, but I did not find time to do that. But here
is my:

Reviewed-by: Jyri Sarha <jsarha@xxxxxx>

I'll pick this up for my next pull request.

BR,
Jyri

>>
>> Signed-off-by: Ajit Negi <ajitn.linux@xxxxxxxxx>
>> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
>> ---
>>  drivers/gpu/drm/tilcdc/tilcdc_drv.c | 14 ++++----------
>>  drivers/gpu/drm/tilcdc/tilcdc_drv.h |  3 ---
>>  2 files changed, 4 insertions(+), 13 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
>> index 0fb300d..33e5332 100644
>> --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
>> +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
>> @@ -554,29 +554,23 @@ static int tilcdc_debugfs_init(struct drm_minor *minor)
>>  static int tilcdc_pm_suspend(struct device *dev)
>>  {
>>         struct drm_device *ddev = dev_get_drvdata(dev);
>> -       struct tilcdc_drm_private *priv = ddev->dev_private;
>> +       int ret = 0;
>>
>> -       priv->saved_state = drm_atomic_helper_suspend(ddev);
>> +       ret = drm_mode_config_helper_suspend(ddev);
>>
>>         /* Select sleep pin state */
>>         pinctrl_pm_select_sleep_state(dev);
>>
>> -       return 0;
>> +       return ret;
>>  }
>>
>>  static int tilcdc_pm_resume(struct device *dev)
>>  {
>>         struct drm_device *ddev = dev_get_drvdata(dev);
>> -       struct tilcdc_drm_private *priv = ddev->dev_private;
>> -       int ret = 0;
>>
>>         /* Select default pin state */
>>         pinctrl_pm_select_default_state(dev);
>> -
>> -       if (priv->saved_state)
>> -               ret = drm_atomic_helper_resume(ddev, priv->saved_state);
>> -
>> -       return ret;
>> +       return  drm_mode_config_helper_resume(ddev);
>>  }
>>  #endif
>>
>> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
>> index ead5122..62cea5f 100644
>> --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h
>> +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
>> @@ -70,9 +70,6 @@ struct tilcdc_drm_private {
>>         const uint32_t *pixelformats;
>>         uint32_t num_pixelformats;
>>
>> -       /* The context for pm susped/resume cycle is stored here */
>> -       struct drm_atomic_state *saved_state;
>> -
>>  #ifdef CONFIG_CPU_FREQ
>>         struct notifier_block freq_transition;
>>  #endif
>> --
>> 1.9.1
>>


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