[PATCH][xenial] ACPI / blacklist: fix Dell Precision 5520 & 3520 freeze

Luis Henriques luis.henriques at canonical.com
Thu Dec 15 10:13:01 UTC 2016


Hi Alex,

Could you please resend this?  It needs to be rebased against xenial
master-next branch, probably due to a recent patch sent by AceLan Kao.

Cheers,
--
Luís


On Wed, Dec 14, 2016 at 04:16:34PM -0800, Alex Hung wrote:
> Impact:
>   Dell Precision 5520 & 3520 freeze when bbswitch tries to turn off dGPU
>   (i.e. in iGPU mode)
> 
> Fix:
>   The patch adds Precision 5520 & 3520 to ACPI REV quirk (i.e. _REV=5) so BIOS
>   can workaround it
> 
>   The patches are included in upstream and are cherry-picked from Linus's repo.
> 
> BugLink: http://bugs.launchpad.net/bugs/1650054
> 
> Alex Hung (1):
>   ACPI / blacklist: add _REV quirks for Dell Precision 5520 and 3520
> 
>  drivers/acpi/blacklist.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> -- 
> 2.9.3
> 
> 
> -- 
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