drm/i915/tc: Catch TC users accessing FIA registers without enable aux
As described in "drm/i915/tc/icl: Implement TC cold sequences" users of TC functions should held aux power well during access to avoid read garbage due HW in TC cold state. v3: - renamed is_tc_cold_blocked() to assert_tc_cold_blocked() - restored the removed 0xffffffff checks Reviewed-by:Imre Deak <imre.deak@intel.com> Tested-by:
You-Sheng Yang <vicamo.yang@canonical.com> Signed-off-by:
José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200414194956.164323-7-jose.souza@intel.com
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3c02934b
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