On Wed, Mar 13, 2019 at 07:09:26PM +0100, Timur Kristóf wrote: > Hi, Hi,
> I was sent here by Greg KH from the Linux USB mailing list, I hope this > is the right place to ask. > > PCI-E atomics don't work for me with Thunderbolt 3. > I see the following message from my Thunderbolt 3 eGPU in dmesg: > > kfd: skipped device 1002:67df, PCI rejects atomics > > Hardware is a Dell XPS 13 9370 (with i7-8550U CPU) connected to a Zotac > AMP mini, with an AMD RX 570 graphics card. Due to this, I cannot use > the GPU for OpenCL, because the compute stack requires PCI-E atomics > support [1]. > > What could be the problem? Is this a hardware limitation or a missing > feature in the Linux TB driver? I don't think it has anything to do with TBT itself. AtomicOps is a PCIe feature. What does 'sudo lspci -vv' show for the ports in question? _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
