Re: [PATCH v9 08/15] drm/mediatek: Add pm runtime support for ovl and rdma

From: AngeloGioacchino Del Regno
Date: Tue Jan 11 2022 - 05:57:59 EST


Il 12/11/21 11:55, Yong Wu ha scritto:
From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>

Prepare for smi cleaning up "mediatek,larb".

Display use the dispsys device to call pm_rumtime_get_sync before.
This patch add pm_runtime_xx with ovl and rdma device whose nodes has
"iommus" property, then display could help pm_runtime_get for smi via
ovl or rdma device.

CC: CK Hu <ck.hu@xxxxxxxxxxxx>
Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
(Yong: Use pm_runtime_resume_and_get instead of pm_runtime_get_sync)
Acked-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
Tested-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> # BPI-R2/MT7623

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>