Re: [PATCH/RFC] drm/radeon: ACPI: veto the keypress on ATIF events

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On 四, 2012-08-02 at 21:45 -0400, Alex Deucher wrote:
> On Thu, Aug 2, 2012 at 9:40 PM, Zhang Rui <rui.zhang@xxxxxxxxx> wrote:
> > On 四, 2012-08-02 at 15:46 +0200, Luca Tettamanti wrote:
> >> On Thu, Aug 02, 2012 at 08:45:30AM +0800, Zhang Rui wrote:
> >> > On 三, 2012-08-01 at 15:49 +0200, Luca Tettamanti wrote:
> >> > > AMD ACPI interface may overload the standard event
> >> > > ACPI_VIDEO_NOTIFY_PROBE (0x81) to signal AMD-specific events. In such
> >> > > cases we don't want to send the keypress (KEY_SWITCHVIDEOMODE) to the
> >> > > userspace because the user did not press the mode switch key (the
> >> > > spurious keypress confuses the DE which usually changes the
> >> > > display configuration and messes up a dual-screen setup).
> >> > > This patch gives the radeon driver the chance to examine the event and
> >> > > block the keypress if the event is an "AMD event".
> >> > >
> >> > > Signed-off-by: Luca Tettamanti <kronos.it@xxxxxxxxx>
> >> > > ---
> >> > > Any comment from ACPI front?
> >> > >
> >> > it looks good to me.
> >> > But I'm wondering if we can use the following code for ACPI part, which
> >> > looks cleaner.
> >> > I know this may change the behavior of other events, but in theory, we
> >> > should not send any input event if we know something wrong in kernel.
> >> >
> >> > what do you think?
> >>
> >> I like it, it's cleaner.
> >> I've split the patch in two pieces (one for video, the other for
> >> radeon) and adopted your suggestion.
> >>
> > Great.
> > Acked-by: Zhang Rui <rui.zhang@xxxxxxxxx>
> >
> > hmm, who should take these two patches?
> 
> I'm happy to take the patches.
> 
> > and which tree the second patch is based on?
> 
> I've got a tree with all the radeon ACPI patches on the acpi_patches
> branches of my git tree:
> git://people.freedesktop.org/~agd5f/linux
> 
great.

thanks,
rui

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