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

Il 12/11/21 11:55, Yong Wu ha scritto:

From: Yongqiang Niu yongqiang.niu@mediatek.com

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@mediatek.com Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com Signed-off-by: Yong Wu yong.wu@mediatek.com (Yong: Use pm_runtime_resume_and_get instead of pm_runtime_get_sync) Acked-by: Chun-Kuang Hu chunkuang.hu@kernel.org Tested-by: Frank Wunderlich frank-w@public-files.de # BPI-R2/MT7623

Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com