[PATCH AUTOSEL for 4.9 32/56] drm/mediatek: don't use drm_put_dev

From: alexander . levin
Date: Tue Nov 14 2017 - 21:49:33 EST


From: Daniel Vetter <daniel.vetter@xxxxxxxx>

[ Upstream commit ae9d2daecf086958a41ad216152ec208d70ba325 ]

fsl is already fully demidlayered in the probe function, but for
convenience stuck with drm_put_dev. Call the unregister/unref parts
separately, to make sure this driver works correct.

Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: CK Hu <ck.hu@xxxxxxxxxxxx>
Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/20161208110739.24417-3-daniel.vetter@xxxxxxxx
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index cf83f6507ec8..48dfc163233e 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -321,7 +321,8 @@ static void mtk_drm_unbind(struct device *dev)
{
struct mtk_drm_private *private = dev_get_drvdata(dev);

- drm_put_dev(private->drm);
+ drm_dev_unregister(private->drm);
+ drm_dev_unref(private->drm);
private->drm = NULL;
}

--
2.11.0