Re:[PATCH] drm/meson: pm resume add return errno branch

[Bernard]

From: Bernard Zhao <bernard@xxxxxxxx>
Date: 2020-04-28 21:17:47
To:  Neil Armstrong <narmstrong@xxxxxxxxxxxx>,David Airlie <airlied@xxxxxxxx>,Daniel Vetter <daniel@xxxxxxxx>,Kevin Hilman <khilman@xxxxxxxxxxxx>,dri-devel@xxxxxxxxxxxxxxxxxxxxx,linux-amlogic@xxxxxxxxxxxxxxxxxxx,linux-arm-kernel@xxxxxxxxxxxxxxxxxxx,linux-kernel@xxxxxxxxxxxxxxx
Cc:  opensource.kernel@xxxxxxxx,Bernard Zhao <bernard@xxxxxxxx>
Subject: [PATCH] drm/meson: pm resume add return errno branch>pm_resump api did not handle drm_mode_config_helper_resume error.
>This change add handle to return drm_mode_config_helper_resume`s
>error number. This code logic is aligned with api pm_suspend.
>After this change, the code maybe a bit readable.
>
>Signed-off-by: Bernard Zhao <bernard@xxxxxxxx>
>---
> drivers/gpu/drm/meson/meson_drv.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
>diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
>index b5f5eb7b4bb9..8c2e1b47e81a 100644
>--- a/drivers/gpu/drm/meson/meson_drv.c
>+++ b/drivers/gpu/drm/meson/meson_drv.c
>@@ -412,9 +412,7 @@ static int __maybe_unused meson_drv_pm_resume(struct device *dev)
> 	if (priv->afbcd.ops)
> 		priv->afbcd.ops->init(priv);
> 
>-	drm_mode_config_helper_resume(priv->drm);
>-
>-	return 0;
>+	return drm_mode_config_helper_resume(priv->drm);
> }
> 
> static int compare_of(struct device *dev, void *data)
>-- 
>2.26.2
>