Ard Biesheuvel <[email protected]> writes: > On 23 June 2016 at 11:55, Punit Agrawal <[email protected]> wrote: >> Ard Biesheuvel <[email protected]> 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 <[email protected]> >> >> 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. >> > > Thanks for the report. May I take it as a tested-by?
Sure. Punit [...]
