drm/i915/icl: Fix initing the DSI DSC power refcount during HW readout
For an enabled DSC during HW readout the corresponding power reference is taken along the CRTC power domain references in get_crtc_power_domains(). Remove the incorrect get ref from the DSI encoder hook. Fixes: 2b68392e ("drm/i915/dsi: add support for DSC") Cc: Vandita Kulkarni <vandita.kulkarni@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201209153952.3397959-1-imre.deak@intel.com (cherry picked from commit 3a9ec563) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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