svn commit: r296548 - in head/sys: dev/agp dev/drm2 dev/drm2/i915 modules/drm2/i915kms

[Oliver Pinter]

On 4/12/16, Edward Tomasz Napierała <trasz at freebsd.org> wrote:
> I have the exact same problem on T420.  Switching consoles back and forth
> works as a workaround.


I have the same issue on my HP Probook 430G1 (Haswell GPU).


>
> On 0411T1633, Adrian Chadd wrote:
>> hiya,
>>
>> My x230 backlight doesn't come back on after I suspend/resume :( Any
>> ideas? does it work fine for you?
>>
>>
>>
>> -adrian
>>
>>
>> On 9 March 2016 at 17:31, Conrad Meyer <cem at freebsd.org> wrote:
>> > On Wed, Mar 9, 2016 at 12:48 PM, Adrian Chadd <adrian.chadd at gmail.com>
>> > wrote:
>> >> Woo!
>> >>
>> >> Just so its' not lost - people in irc have found power consumption has
>> >> jumped dramatically since this commit. :(
>> >
>> > For the record, on X230 (Ivybridge) I actually see lower power
>> > consumption with the new 3.8 kms:
>> >
>> > (All at brightness 100)
>> > Old kernel, no KMS:  11W
>> > Old kernel, KMS:  13W
>> > New kernel, no KMS:  11W
>> > New kernel, KMS:  11W
>> >
>> > With brightness down to minimum (5%):
>> > New kernel, KMS:  8.9W
>> >
>> > Best,
>> > Conrad
>>
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