Re: [PATCH] drm/tilcdc: Convert drm_atomic_helper_suspend/resume()
From: Souptick Joarder
Date: Mon Sep 10 2018 - 02:45:41 EST
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 ?
>
> 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
>