Message ID | 20231018043650.22532-1-shawn.sung@mediatek.com |
---|---|
Headers | show |
Series | Add display driver for MT8188 VDOSYS1 | expand |
Il 18/10/23 06:36, Hsiao Chien Sung ha scritto: > Add MT8188 Padding to OVL adaptor to probe the driver. > > Reviewed-by: CK Hu <ck.hu@mediatek.com> > Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Il 18/10/23 06:36, Hsiao Chien Sung ha scritto: > Different from OVL, OVL adaptor is a pseudo device so we didn't > define it in the device tree, consequently, pm_runtime_resume_and_get() > called by .atomic_enable() powers on no device in OVL adaptor and > leads to power outage in the corresponding IOMMU. > > To resolve the issue, we implement a function to power on the RDMAs > in OVL adaptor, and the system will make sure the IOMMU is powered on > as well because of the device link (iommus) in the RDMA nodes in DTS. > > Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>