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1e8d19d9b0
The mei device and i915 must reside on the same PCH in order for HDCP to work. Make the component matching function enforce this requirement. hdcp | i915 mei | | +----= PCH =----+ Cc: <stable@vger.kernel.org> v5.0+ Cc: Ramalingam C <ramalingam.c@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Alexander Usyskin <alexander.usyskin@intel.com> Link: https://lore.kernel.org/r/20191212084103.2893-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>