tree f1ed0e3b838483a598b7a7c39ad1c27c4cab92ad
parent 5e4b7385f374e10e94e6378cf7d030b66a342a0c
author Imre Deak <imre.deak@intel.com> 1612798983 +0200
committer Imre Deak <imre.deak@intel.com> 1612873470 +0200

drm/i915/tgl+: Make sure TypeC FIA is powered up when initializing it

The TypeC FIA can be powered down if the TC-COLD power state is allowed,
so block the TC-COLD state when initializing the FIA.

Note that this isn't needed on ICL where the FIA is never modular and
which has no generic way to block TC-COLD (except for platforms with a
legacy TypeC port and on those too only via these legacy ports, not via
a DP-alt/TBT port).

Cc: <stable@vger.kernel.org> # v5.10+
Cc: José Roberto de Souza <jose.souza@intel.com>
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/3027
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210208154303.6839-1-imre.deak@intel.com
Reviewed-by: Jos� Roberto de Souza <jose.souza@intel.com>