Huang, please try this patch.
BR,
Jani.
On Tue, 29 Sep 2015, Jani Nikula wrote:
> Also adding Cc: intel-gfx, please include that in follow-ups.
>
> Thanks,
> Jani.
>
> On Tue, 29 Sep 2015, Jani Nikula wrote:
>> Although we don't support or enable CPU PWM with LPT/SPT based systems,
>> it may
Also adding Cc: intel-gfx, please include that in follow-ups.
Thanks,
Jani.
On Tue, 29 Sep 2015, Jani Nikula wrote:
> Although we don't support or enable CPU PWM with LPT/SPT based systems,
> it may have been enabled prior to loading the driver. Disable the CPU
> PWM on LPT/SPT backlight disabl