Quoting Kuogee Hsieh (2020-10-30 16:23:10)
> Some dongle will not clear LINK_STATUS_UPDATED bit after
> DPCD read which cause link training failed. This patch
$ git grep 'this patch' -- Documentation/process/submitting-patches.rst
> just read 6 bytes of DPCD link status from sink and return
> wit
Some dongle will not clear LINK_STATUS_UPDATED bit after
DPCD read which cause link training failed. This patch
just read 6 bytes of DPCD link status from sink and return
without checking LINK_STATUS_UPDATED bit.
Link rate read back from sink need to be convert into
really rate by timing 2.7Mb. For