Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> writes: > The 100c08 scratch page is mapped using dma_map_page() before the TTM > layer has had a chance to set the DMA mask. This means we are still > running with the default of 32 when this code executes, and this causes > problems for platforms with no memory below 4 GB (such as AMD Seattle) > > So move the dma_map_page() to the .init hook, and set the streaming DMA > mask based on the MMU subdev parameters before performing the call. > > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> Hi Ard, Thanks for posting this patch. With the patch, I am able to see console output on a screen attached to the NVS 300 PCIe card in an AMD Seattle system. It was failing with a message similar to what you've posted below. For some reason, X refuses to start up but that, I think, is a problem with my userspace setup. Cheers, Punit [...] _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
