This is a note to let you know that I've just added the patch titled

drm/mediatek: don't use drm_put_dev

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: drm-mediatek-don-t-use-drm_put_dev.patch and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Tue Nov 28 10:49:28 CET 2017

From: Daniel Vetter daniel.vetter@ffwll.ch Date: Thu, 8 Dec 2016 12:07:38 +0100 Subject: drm/mediatek: don't use drm_put_dev

From: Daniel Vetter daniel.vetter@ffwll.ch

[ 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@pengutronix.de Cc: CK Hu ck.hu@mediatek.com Reviewed-by: Lucas Stach l.stach@pengutronix.de Signed-off-by: Daniel Vetter daniel.vetter@intel.com Link: http://patchwork.freedesktop.org/patch/msgid/20161208110739.24417-3-daniel.v... Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

--- 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 { 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; }

Patches currently in stable-queue which might be from daniel.vetter@ffwll.ch are

queue-4.9/drm-mediatek-don-t-use-drm_put_dev.patch queue-4.9/drm-armada-fix-compile-fail.patch queue-4.9/drm-apply-range-restriction-after-color-adjustment-when-allocation.patch