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Because intel_mark_idle still touches some registers: it needs the machine to be awake. If you set both the autosuspend and PC8 delays to zero, you can get a "Device suspended" WARN when gen6_rps_idle touches registers. This is not easy to reproduce, but happens once in a while when running pm_pc8. Testcase: igt/pm_pc8 Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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