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SubjectRe:[PATCH] drm/meson: pm resume add return errno branch
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From: Bernard Zhao <bernard@vivo.com>
Date: 2020-04-28 21:17:47
To: Neil Armstrong <narmstrong@baylibre.com>,David Airlie <airlied@linux.ie>,Daniel Vetter <daniel@ffwll.ch>,Kevin Hilman <khilman@baylibre.com>,dri-devel@lists.freedesktop.org,linux-amlogic@lists.infradead.org,linux-arm-kernel@lists.infradead.org,linux-kernel@vger.kernel.org
Cc: opensource.kernel@vivo.com,Bernard Zhao <bernard@vivo.com>
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@vivo.com>
>---
> 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
>


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