Re: [Intel-gfx] Linux 4.8-rc?: WARNING: at drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write Missing switch case (16) in gen6_check_mailbox_status

From: Jani Nikula
Date: Wed Sep 07 2016 - 10:50:15 EST


On Tue, 06 Sep 2016, linux@xxxxxxxxxxxxxx wrote:
> On 2016-09-06 11:25, Jani Nikula wrote:
>> On Tue, 06 Sep 2016, linux@xxxxxxxxxxxxxx wrote:
>>> L.S.,
>>>
>>> Since one of the last 4.8 RC's i'm getting the warning below when
>>> booting on my sandybridge based thinkpad.
>>> From what it seems the machine still works fine though.
>>
>> What does 'lspci -nns 2' say for you?
>
> 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd
> Generation Core Processor Family Integrated Graphics Controller
> [8086:0126] (rev 09)

Fixed in drm-intel-fixes by

commit fc2780b66b15092ac68272644a522c1624c48547
Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Date: Fri Aug 26 11:59:26 2016 +0100

drm/i915: Add GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE to SNB

BR,
Jani.


--
Jani Nikula, Intel Open Source Technology Center