On Tue, 26 Aug 2014, Daniel Vetter wrote:
> On Tue, Aug 26, 2014 at 04:15:53PM +, Scot Doyle wrote:
>> On Tue, 26 Aug 2014, Daniel Vetter wrote:
>> > On Thu, Aug 21, 2014 at 07:12:59AM +, Scot Doyle wrote:
>> >> When we enter intel_modeset_setup_hw_state during resume
>> >> - BLC_PWM_CPU_C
On Tue, 26 Aug 2014, Daniel Vetter wrote:
> On Tue, Aug 26, 2014 at 07:33:25PM +0200, Daniel Vetter wrote:
>> Indeed the bios seems to just but gunk into that register. And if we add
>> in all the knobs there's piles of them (you have semi-duplicated backlight
>> registers on hsw on the PCH), so I
On Tue, Aug 26, 2014 at 07:33:25PM +0200, Daniel Vetter wrote:
> On Tue, Aug 26, 2014 at 04:15:53PM +, Scot Doyle wrote:
> > On Tue, 26 Aug 2014, Daniel Vetter wrote:
> > > On Thu, Aug 21, 2014 at 07:12:59AM +, Scot Doyle wrote:
> > >> When we enter intel_modeset_setup_hw_state during resum
On Tue, Aug 26, 2014 at 04:15:53PM +, Scot Doyle wrote:
> On Tue, 26 Aug 2014, Daniel Vetter wrote:
> > On Thu, Aug 21, 2014 at 07:12:59AM +, Scot Doyle wrote:
> >> When we enter intel_modeset_setup_hw_state during resume
> >> - BLC_PWM_CPU_CTL2 == BLM_PWM_ENABLE
> >> - the physical backlig
On Tue, 26 Aug 2014, Daniel Vetter wrote:
> On Thu, Aug 21, 2014 at 07:12:59AM +, Scot Doyle wrote:
>> When we enter intel_modeset_setup_hw_state during resume
>> - BLC_PWM_CPU_CTL2 == BLM_PWM_ENABLE
>> - the physical backlight is off
>
> Hm, this is actually interesting - we have some other ev
On Thu, Aug 21, 2014 at 07:12:59AM +, Scot Doyle wrote:
>
> On Tue, 19 Aug 2014, Daniel Vetter wrote:
> >On Tue, Aug 19, 2014 at 4:07 AM, Scot Doyle wrote:
> >>BIOS or firmware can modify hardware state during suspend/resume,
> >>for example on the Toshiba CB35 or Lenovo T400, so log a debug
On Tue, 19 Aug 2014, Daniel Vetter wrote:
On Tue, Aug 19, 2014 at 4:07 AM, Scot Doyle wrote:
BIOS or firmware can modify hardware state during suspend/resume,
for example on the Toshiba CB35 or Lenovo T400, so log a debug message
instead of a warning if the backlight is unexpectedly enabled.
On Tue, Aug 19, 2014 at 4:07 AM, Scot Doyle wrote:
> BIOS or firmware can modify hardware state during suspend/resume,
> for example on the Toshiba CB35 or Lenovo T400, so log a debug message
> instead of a warning if the backlight is unexpectedly enabled.
>
> Bugzilla: https://bugs.freedesktop.or
BIOS or firmware can modify hardware state during suspend/resume,
for example on the Toshiba CB35 or Lenovo T400, so log a debug message
instead of a warning if the backlight is unexpectedly enabled.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80930
Cc: Jani Nikula
Signed-off-by: Scot
