Am Donnerstag, den 08.12.2016, 12:07 +0100 schrieb Daniel Vetter:
> fsl is already fully demidlayered in the probe function, but for
^ mediatek not fsl-dcu
> convenience stuck with drm_put_dev. Call the unregister/unref parts
> separately, to make sure this driver works correct.
>
I don't really see the benefit here, except you want to get rid of
drm_dev_put() completely from the core. But whatever:
Reviewed-by: Lucas Stach <l.stach at pengutronix.de>
> Cc: Philipp Zabel <p.zabel at pengutronix.de>
> Cc: CK Hu <ck.hu at mediatek.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
> 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 4b7fe7eaec01..b5f88e6d078e 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;
> }
>
