but fixed in drm-intel-nightly, likely due to these three commits:
02bcca0d72a1491 drm/i915: clear the FPGA_DBG_RM_NOCLAIM bit at driver init
3f1e109a8be5670 drm/i915: use FPGA_DBG for the "unclaimed register" checks
115bc2de52af131 drm/i915: create functions for the "unclaimed register" checks
but fixed in drm-intel-nightly, likely due to these three commits:
02bcca0d72a1491 drm/i915: clear the FPGA_DBG_RM_NOCLAIM bit at driver init
3f1e109a8be5670 drm/i915: use FPGA_DBG for the "unclaimed register" checks
115bc2de52af131 drm/i915: create functions for the "unclaimed register" checks