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drm/sun4i: Set device driver data at bind time for use in unbind 

Our sun4i_drv_unbind gets the drm device using dev_get_drvdata.
However, that driver data is never set in sun4i_drv_bind.

Set it there to avoid getting a NULL pointer at unbind time.

Fixes: 9026e0d122 ("drm: Add Allwinner A10 Display Engine support")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190418132727.5128-3-paul.kocialkowski@bootlin.com
This commit is contained in:
Paul Kocialkowski 2019-04-18 15:27:26 +02:00 committed by Maxime Ripard
parent 71adf60f0a
commit 02b92adbe3
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GPG Key ID: E3EF0D6F671851C5
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/sun4i/sun4i_drv.c
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@ -86,6 +86,8 @@ static int sun4i_drv_bind(struct device *dev)
ret = -ENOMEM;
goto free_drm;
}
dev_set_drvdata(dev, drm);
drm->dev_private = drv;
INIT_LIST_HEAD(&drv->frontend_list);
INIT_LIST_HEAD(&drv->engine_list);