On Tue, Jul 24, 2018 at 11:54 AM, Inki Dae <inki.dae@xxxxxxxxxxx> wrote: > 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.linux@xxxxxxxxx> >> Signed-off-by: Ajit Negi <ajitn.linux@xxxxxxxxx> >> --- >> 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. The same has been checked inside drm_mode_config_helper_suspend(), so we should avoid double check. > >> + 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); Ok > >> >> - 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. Same reason mentioned above to remove '!drm_dev' > >> >> - 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. Ok, I will add this in v2. > > 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 >> -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html