Re: [Nouveau] [RFC PATCH v2] drm/nouveau/fb/nv50: set DMA mask before mapping scratch page

On 21 June 2016 at 14:50, Ard Biesheuvel wrote: > 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 >

[Nouveau] [RFC PATCH v2] drm/nouveau/fb/nv50: set DMA mask before mapping scratch page

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