On Tue, 26 Aug 2014, Daniel Vetter dan...@ffwll.ch 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
-
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 lkm...@scotdoyle.com wrote:
BIOS or firmware can modify hardware state during suspend/resume,
for example on the Toshiba CB35 or Lenovo T400, so
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 evidence
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 backlight is off
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 resume
-
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 guess
On Tue, 19 Aug 2014, Daniel Vetter wrote:
On Tue, Aug 19, 2014 at 4:07 AM, Scot Doyle lkm...@scotdoyle.com 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
On Tue, Aug 19, 2014 at 4:07 AM, Scot Doyle lkm...@scotdoyle.com 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:
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