[PATCH weston 1/2] pci: add PCI helpers to detect primary GPUs

Sannu K sannumail4foss at gmail.com
Tue Oct 30 11:20:45 PDT 2012

On Mon, Oct 29, 2012 at 9:13 PM, David Herrmann
<dh.herrmann at googlemail.com> wrote:
> Hi Sannu
> On Sun, Oct 28, 2012 at 10:19 AM, Sannu K <sannumail4foss at gmail.com> wrote:
>>>> GPU switching under linux has no stable API. The vga_switcheroo module
>>>> only provides some temporary hacks via debugfs. Therefore, the
>>>> situations you describe are not what this patch tries to address. It
>>>> rather tries to fix the problem where weston uses a
>>>> secondary/auxiliary GPU and then might not be able to drive the
>>>> connectors.
>> Is there anything that I could do to help in multi GPU scenarios? I am
>> having a displaylink USB display adapter. I would be glad to do some
>> work related to weston in supporting multiple GPUs / offloading
>> rendering.
> DisplayLink devices can be handled easily. This problem is more about
> multiple internal GPUs.
> Thanks!
> David

Sounds Great :)

Sannu K

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