Hi Mengdong - Here's the first drafts towards fixing [1], but unfortunately this is still Broadwell specific. Currently patch 2 is not needed, but is included in case we'll need that too (maybe for Haswell?). Please review/test, I don't have access to either hsw or bdw right now. BR, Jani. [1] https://bugzilla.kernel.org/show_bug.cgi?id=74861 Jani Nikula (3): drm/i915: add opregion function to notify BIOS of CDCLK changes drm/i915: add opregion function to enable/disable audio device drm/i915: tell BIOS to update audio controller EM4/EM5 divider values drivers/gpu/drm/i915/i915_drv.h | 12 +++++++++++ drivers/gpu/drm/i915/intel_opregion.c | 39 +++++++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_pm.c | 11 ++++++++++ 3 files changed, 62 insertions(+) -- 2.0.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
