Re: ACPI _LID failures

2010-03-20 Thread Matthew Garrett
On Fri, Mar 19, 2010 at 02:05:03PM -0700, Jesse Barnes wrote:

 Well, that was the hope.  Len said they've fixed EC bugs in the past
 only to find that several ACPI methods they assumed were broken
 suddenly started working

The broken Acer was reading from the wrong registers. I think that's 
pretty strong evidence that Windows doesn't depend on lid state, 
unfortunately.

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Matthew Garrett | mj...@srcf.ucam.org

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Re: ACPI _LID failures

2010-03-19 Thread Jesse Barnes
On Fri, 19 Mar 2010 13:53:10 -0700
Eric Anholt e...@anholt.net wrote:

 On Fri, 19 Mar 2010 12:53:20 -0700, Jesse Barnes jbar...@virtuousgeek.org 
 wrote:
  On Mon, 15 Mar 2010 21:32:41 +0200
  Surbhi Palande surbhi.pala...@canonical.com wrote:
  
   The following two patches are quirks that blacklist bios which report
   incorrect lid status. These are bioses for machines with a 900 GM.
   The first one is tested by Ubuntu users and the second one isn't.
   Further testing will be appreciated.
   
   
   Surbhi Palande (2):
 drm/i915: blacklist lid status: Sony VGN-BX196VP
 drm/i915: blacklist lid status: Elite Co. G335
   
drivers/gpu/drm/i915/intel_lvds.c |   14 ++
1 files changed, 14 insertions(+), 0 deletions(-)
  
  Patches look ok to me.  Len was curious about whether some recent ACPI
  EC fixes will fix some of our lid detection bugs though.
  
  Len, is there any particular patch or version people should try?
 
 Unless ACPI is going to magically become more reliable at the lid
 method, I think we should abandon using it on generations where it
 fails.  See other patch I submitted -- anyone care to ack it?

Well, that was the hope.  Len said they've fixed EC bugs in the past
only to find that several ACPI methods they assumed were broken
suddenly started working

-- 
Jesse Barnes, Intel Open Source Technology Center

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