On Tue, Nov 25, 2014 at 6:15 PM, Tom Hughes <tom@xxxxxxxxxx> wrote: > On 25/11/14 16:55, Adam Jackson wrote: >> >> On Tue, 2014-11-25 at 15:57 +0000, Tom Hughes wrote: >> >>> I thought multi-gpu randr was supported in 1.4? I certainly see one >>> provider for each of the two gpus in this machine, and can see five >>> connectors across the two with three monitors connected. It looks like >>> it just adds an extra digit to the connector names on the second card: >> >> >> In the optimus sense of multi-gpu, yes, that works. In the classic >> Xinerama sense of "two PCIE cards installed next to each other", not so >> much. > > > That isn't optimus, at least not as I understand optimus, it's two Nvidia > PCIe cards: > > 03:00.0 VGA compatible controller: NVIDIA Corporation G84 [GeForce 8600 GT] > (rev a1) > 04:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce 210] Optimus means one card renders in the other cards framebuffer and only one of them actually scans out that framebuffer and puts it on screen. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
