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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/04/2024 08:13, Hyunjun Ko wrote: > Hi, > > I'm trying this series of patches for enabling /dev/video0 on sm8650 hdk but failed. > After modprobing, lsmod says just like the follwoing: > > root@hdk8650:/lib/modules/6.7.0-rc3+# lsmod > Module Size Used by > iris 110592 -2 > v4l2_mem2mem 20480 -2 > videobuf2_memops 12288 -2 > videobuf2_v4l2 20480 -2 > videobuf2_common 45056 -2 > videodev 176128 -2 > > > This series looks for sm8550 device though, my question is that this series have been tested on the device (sm8650 hdk)? or do you expect this should work on it? > Different SoCs so despite how close they look in version numbers, you'd expect at a minimum some clock and/or power-domain churn - even if there is a 1:1 mapping in register numbers and offsets. We wouldn't ordinarily expect to be able to be able to move SoC versions so easily - 8550 and 8650 have similar SoC version numbers but, this is not necessarily an indicator of silicon IP block version reuse. --- bod