hybrid-graphics-linux team mailing list archive

[Dave Airlie <airlied@xxxxxxxxx>]

Not really,

optimus when running is all just done by moving memory objects around,
I wrote about it back when I did the initial PRIME code.

You have to keep the integrated gpu on all the time, and power up/down
the discrete when needed.

Dave.

On Thu, Dec 23, 2010 at 11:21 PM, Thomas Wagner <thomas@xxxxxxxxxx> wrote:
> Dave,
>
> is there any theroretical background of the design to get involved ?
>
> Am 21.12.2010 12:03, schrieb Dave Airlie:
>>
>> On Tue, Dec 21, 2010 at 8:02 PM, Martin Juhl<mj@xxxxxxxxxxxx>  wrote:
>>
>>>
>>> I just got a thought.. or maybe more of a question...
>>>
>>>
>>>
>>> I hear that some Optimus enabled laptops have some kind of a pre-windows
>>> 7
>>> compability mode in the BIOS...
>>>
>>>
>>>
>>> Does anyone have an idea how this is archived on the hardware side???
>>>
>>
>> Its the same as the pre-optimus hw,  most of the pre-optimus announced
>> hw could actually support optimus as well since its mostly a sw soln.
>>
>> Dave.
>>
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>
>
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