Re: [Intel-gfx] [PATCH 3/4] drm/i915/dp: make backlight bl_power control power sequencer backlight

2014-08-19 Thread Clint Taylor
On 08/12/2014 07:11 AM, Jani Nikula wrote: This lets the userspace switch off the backlight using the backlight class sysfs bl_power file. The switch is done using the power sequencer; the backlight PWM, and everything else, remains enabled. The display backlight won't draw power, but for

Re: [Intel-gfx] [PATCH 3/4] drm/i915/dp: make backlight bl_power control power sequencer backlight

2014-08-18 Thread Clint Taylor
On 08/12/2014 07:11 AM, Jani Nikula wrote: This lets the userspace switch off the backlight using the backlight class sysfs bl_power file. The switch is done using the power sequencer; the backlight PWM, and everything else, remains enabled. The display backlight won't draw power, but for

Re: [Intel-gfx] [PATCH 3/4] drm/i915/dp: make backlight bl_power control power sequencer backlight

2014-08-18 Thread Jani Nikula
On Mon, 18 Aug 2014, Clint Taylor clinton.a.tay...@intel.com wrote: On 08/12/2014 07:11 AM, Jani Nikula wrote: This lets the userspace switch off the backlight using the backlight class sysfs bl_power file. The switch is done using the power sequencer; the backlight PWM, and everything else,

[Intel-gfx] [PATCH 3/4] drm/i915/dp: make backlight bl_power control power sequencer backlight

2014-08-12 Thread Jani Nikula
This lets the userspace switch off the backlight using the backlight class sysfs bl_power file. The switch is done using the power sequencer; the backlight PWM, and everything else, remains enabled. The display backlight won't draw power, but for maximum power savings the encoder needs to be