Hi,
2018년 07월 19일 05:49에 Souptick Joarder 이(가) 쓴 글:
> convert drm_atomic_helper_suspend/resume() to use
> drm_mode_config_helper_suspend/resume().
>
> exynos_drm_fbdev_suspend/resume can be removed
> as drm_mode_config_helper_suspend/resume has
> implement the same in generic way.
>
> Signed-off-by: Souptick Joarder <jrdr.li...@gmail.com>
> Signed-off-by: Ajit Negi <ajitn.li...@gmail.com>
> ---
> drivers/gpu/drm/exynos/exynos_drm_drv.c | 32
> ++++++++++---------------------
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 17 ----------------
> drivers/gpu/drm/exynos/exynos_drm_fbdev.h | 10 ----------
> 3 files changed, 10 insertions(+), 49 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c
> b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> index a81b4a5..1996ff7 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> @@ -151,39 +151,27 @@ static void exynos_drm_postclose(struct drm_device
> *dev, struct drm_file *file)
> static int exynos_drm_suspend(struct device *dev)
> {
> struct drm_device *drm_dev = dev_get_drvdata(dev);
> - struct exynos_drm_private *private;
> + int ret = 0;
>
> - if (pm_runtime_suspended(dev) || !drm_dev)
> - return 0;
You removes '!drm_dev' not related to this patch.
> + if (pm_runtime_suspended(dev))
> + return ret;
>
> - private = drm_dev->dev_private;
> + ret = drm_mode_config_helper_suspend(drm_dev);
Just return drm_mode_config_helper_suspend(drm_dev);
>
> - drm_kms_helper_poll_disable(drm_dev);
> - exynos_drm_fbdev_suspend(drm_dev);
> - private->suspend_state = drm_atomic_helper_suspend(drm_dev);
> - if (IS_ERR(private->suspend_state)) {
> - exynos_drm_fbdev_resume(drm_dev);
> - drm_kms_helper_poll_enable(drm_dev);
> - return PTR_ERR(private->suspend_state);
> - }
> -
> - return 0;
> + return ret;
> }
>
> static int exynos_drm_resume(struct device *dev)
> {
> struct drm_device *drm_dev = dev_get_drvdata(dev);
> - struct exynos_drm_private *private;
> + int ret = 0;
>
> - if (pm_runtime_suspended(dev) || !drm_dev)
> - return 0;
> + if (pm_runtime_suspended(dev))
> + return ret;
Ditto. You removes '!drm_dev' not related to this patch.
>
> - private = drm_dev->dev_private;
> - drm_atomic_helper_resume(drm_dev, private->suspend_state);
> - exynos_drm_fbdev_resume(drm_dev);
> - drm_kms_helper_poll_enable(drm_dev);
> + ret = drm_mode_config_helper_resume(drm_dev);
Ditto. return drm_mode_config_helper_resume(drm_dev);
With this patch, you could remove 'int ret' declaration including one from
exynos_drm_suspend.
Thanks,
Inki Dae
>
> - return 0;
> + return ret;
> }
> #endif
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> index 132dd52..918dd2c 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> @@ -270,20 +270,3 @@ void exynos_drm_fbdev_fini(struct drm_device *dev)
> private->fb_helper = NULL;
> }
>
> -void exynos_drm_fbdev_suspend(struct drm_device *dev)
> -{
> - struct exynos_drm_private *private = dev->dev_private;
> -
> - console_lock();
> - drm_fb_helper_set_suspend(private->fb_helper, 1);
> - console_unlock();
> -}
> -
> -void exynos_drm_fbdev_resume(struct drm_device *dev)
> -{
> - struct exynos_drm_private *private = dev->dev_private;
> -
> - console_lock();
> - drm_fb_helper_set_suspend(private->fb_helper, 0);
> - console_unlock();
> -}
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.h
> b/drivers/gpu/drm/exynos/exynos_drm_fbdev.h
> index b338472..6840b6a 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.h
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.h
> @@ -19,8 +19,6 @@
>
> int exynos_drm_fbdev_init(struct drm_device *dev);
> void exynos_drm_fbdev_fini(struct drm_device *dev);
> -void exynos_drm_fbdev_suspend(struct drm_device *drm);
> -void exynos_drm_fbdev_resume(struct drm_device *drm);
>
> #else
>
> @@ -39,14 +37,6 @@ static inline void exynos_drm_fbdev_restore_mode(struct
> drm_device *dev)
>
> #define exynos_drm_output_poll_changed (NULL)
>
> -static inline void exynos_drm_fbdev_suspend(struct drm_device *drm)
> -{
> -}
> -
> -static inline void exynos_drm_fbdev_resume(struct drm_device *drm)
> -{
> -}
> -
> #endif
>
> #endif
>
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