Re: [Intel-gfx] [PATCH v2] drm/i915/opregion: ignore firmware requests for backlight change

2014-07-07 Thread Aaron Lu
On 07/07/2014 08:51 PM, Rafael J. Wysocki wrote: > On Monday, July 07, 2014 03:43:51 PM Aaron Lu wrote: >> Some Thinkpad laptops' firmware will initiate a backlight level change >> request through operation region on the events of AC plug/unplug, but >> since we are not using firmware's interface t

Re: [Intel-gfx] [PATCH v2] drm/i915/opregion: ignore firmware requests for backlight change

2014-07-07 Thread Aaron Lu
On 07/07/2014 09:01 PM, Rafael J. Wysocki wrote: > On Monday, July 07, 2014 03:43:51 PM Aaron Lu wrote: >> Some Thinkpad laptops' firmware will initiate a backlight level change >> request through operation region on the events of AC plug/unplug, but >> since we are not using firmware's interface t

Re: [Intel-gfx] [PATCH v2] drm/i915/opregion: ignore firmware requests for backlight change

2014-07-07 Thread Rafael J. Wysocki
On Monday, July 07, 2014 03:43:51 PM Aaron Lu wrote: > Some Thinkpad laptops' firmware will initiate a backlight level change > request through operation region on the events of AC plug/unplug, but > since we are not using firmware's interface to do the backlight setting > on these affected laptops

Re: [Intel-gfx] [PATCH v2] drm/i915/opregion: ignore firmware requests for backlight change

2014-07-07 Thread Rafael J. Wysocki
On Monday, July 07, 2014 03:43:51 PM Aaron Lu wrote: > Some Thinkpad laptops' firmware will initiate a backlight level change > request through operation region on the events of AC plug/unplug, but > since we are not using firmware's interface to do the backlight setting > on these affected laptops

[Intel-gfx] [PATCH v2] drm/i915/opregion: ignore firmware requests for backlight change

2014-07-07 Thread Aaron Lu
Some Thinkpad laptops' firmware will initiate a backlight level change request through operation region on the events of AC plug/unplug, but since we are not using firmware's interface to do the backlight setting on these affected laptops, we do not want the firmware to use some arbitrary value fro