On Mon, Sep 10, 2012 at 9:07 PM, Alan Cox wrote:
> On Mon, 10 Sep 2012 14:31:52 +1000
> Dave Airlie wrote:
>
>> From: Dave Airlie
>>
>> For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
>> methods for powering down the GPU completely. This adds support
>> to the drm core for po
(oops' forgot reply to all)
>
> My midlayer-smell-o-meter just cranked up to 11 when reading this comment
> ;-)
>
> I'd have expected:
> - Drivers to check the power state and enable the gpu if it's off in their
> cs ioctl (instead of the brute-force every ioctl there is approach in
> the drm
From: Dave Airlie
For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
methods for powering down the GPU completely. This adds support
to the drm core for powering back up the GPU on any access from
ioctls or sysfs interfaces, and fires a 5s timer to test if
we can power the GPU of
On Mon, 10 Sep 2012 14:31:52 +1000
Dave Airlie wrote:
> From: Dave Airlie
>
> For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
> methods for powering down the GPU completely. This adds support
> to the drm core for powering back up the GPU on any access from
> ioctls or sysfs
> fine grained suspend/resume. Not sure if that concept helps here, but it
> may be worth digging around to see how they went about waking up
> individual devices.
Badly. I don't believe the code ever worked properly. It certainly was
full of races. I've reworked chunks of it in the GMA500 oaktrai
On Mon, Sep 10, 2012 at 10:23 AM, Dave Airlie wrote:
> (oops' forgot reply to all)
>
>>
>> My midlayer-smell-o-meter just cranked up to 11 when reading this comment
>> ;-)
>>
>> I'd have expected:
>> - Drivers to check the power state and enable the gpu if it's off in their
>> cs ioctl (instead
On Mon, 10 Sep 2012 18:23:05 +1000, Dave Airlie wrote:
> (oops' forgot reply to all)
>
> >
> > My midlayer-smell-o-meter just cranked up to 11 when reading this comment
> > ;-)
> >
> > I'd have expected:
> > - Drivers to check the power state and enable the gpu if it's off in their
> > cs ioctl
On Mon, Sep 10, 2012 at 02:31:52PM +1000, Dave Airlie wrote:
> From: Dave Airlie
>
> For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
> methods for powering down the GPU completely. This adds support
> to the drm core for powering back up the GPU on any access from
> ioctls or
On Mon, Sep 10, 2012 at 9:07 PM, Alan Cox wrote:
> On Mon, 10 Sep 2012 14:31:52 +1000
> Dave Airlie wrote:
>
>> From: Dave Airlie
>>
>> For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
>> methods for powering down the GPU completely. This adds support
>> to the drm core for po
On Mon, 10 Sep 2012 14:31:52 +1000
Dave Airlie wrote:
> From: Dave Airlie
>
> For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
> methods for powering down the GPU completely. This adds support
> to the drm core for powering back up the GPU on any access from
> ioctls or sysfs
> fine grained suspend/resume. Not sure if that concept helps here, but it
> may be worth digging around to see how they went about waking up
> individual devices.
Badly. I don't believe the code ever worked properly. It certainly was
full of races. I've reworked chunks of it in the GMA500 oaktrai
On Mon, Sep 10, 2012 at 10:23 AM, Dave Airlie wrote:
> (oops' forgot reply to all)
>
>>
>> My midlayer-smell-o-meter just cranked up to 11 when reading this comment
>> ;-)
>>
>> I'd have expected:
>> - Drivers to check the power state and enable the gpu if it's off in their
>> cs ioctl (instead
On Mon, 10 Sep 2012 18:23:05 +1000, Dave Airlie wrote:
> (oops' forgot reply to all)
>
> >
> > My midlayer-smell-o-meter just cranked up to 11 when reading this comment
> > ;-)
> >
> > I'd have expected:
> > - Drivers to check the power state and enable the gpu if it's off in their
> > cs ioctl
(oops' forgot reply to all)
>
> My midlayer-smell-o-meter just cranked up to 11 when reading this comment
> ;-)
>
> I'd have expected:
> - Drivers to check the power state and enable the gpu if it's off in their
> cs ioctl (instead of the brute-force every ioctl there is approach in
> the drm
On Mon, Sep 10, 2012 at 02:31:52PM +1000, Dave Airlie wrote:
> From: Dave Airlie
>
> For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
> methods for powering down the GPU completely. This adds support
> to the drm core for powering back up the GPU on any access from
> ioctls or
From: Dave Airlie
For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
methods for powering down the GPU completely. This adds support
to the drm core for powering back up the GPU on any access from
ioctls or sysfs interfaces, and fires a 5s timer to test if
we can power the GPU of
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