[Nouveau] [PATCH v2 6/9] acpi: Check returned object type by Optimus _DSM locally

[Dave Airlie]

On 28 May 2015 at 16:40, Pierre Moreau <pierre.morrow at free.fr> wrote:
> Most _DSM will return an integer value of 0x80000002 when given an unknown
> UUID, revision ID or function ID. Checking locally allows us to differentiate
> that case from other ACPI errors, and to not report a "failed to evaluate _DSM"
> if 0x80000002 is returned which was confusing.
>
> Changes since v1:
> * Replace ACPI errors with standard kernel ones
>
> Signed-off-by: Pierre Moreau <pierre.morrow at free.fr>

Reviewed-by: Dave Airlie <airlied at redhat.com>

Dave.