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由 Jani Nikula 提交于
Media force wake get hangs the machine when the system is booted without displays attached. The assumption is that (at least some versions of) the firmware has skipped some initialization in that case. Empirical evidence suggests we need to reset the media force wake request register in addition to the render one to avoid hangs. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75895Reported-by: NImre Deak <imre.deak@intel.com> Reported-by: NDarren Hart <dvhart@linux.intel.com> Tested-by: NDarren Hart <dvhart@linux.intel.com> Reviewed-by: NMika Kuoppala <mika.kuoppala@intel.com> Cc: stable@vger.kernel.org Signed-off-by: NJani Nikula <jani.nikula@intel.com>
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