Re: [Nouveau] [PATCH v4 1/3] drm/nouveau: set streaming DMA mask early

2016-10-06 Thread Ard Biesheuvel
On 3 October 2016 at 06:39, Alexandre Courbot wrote: > On Mon, Sep 26, 2016 at 9:32 PM, Ard Biesheuvel > wrote: >> Some subdevices (i.e., fb/nv50.c and fb/gf100.c) map a scratch page using >> dma_map_page() way before the TTM layer has had a chance to set the DMA >> mask. This may prevent the dri

Re: [Nouveau] [PATCH v4 1/3] drm/nouveau: set streaming DMA mask early

2016-10-02 Thread Alexandre Courbot
On Mon, Sep 26, 2016 at 9:32 PM, Ard Biesheuvel wrote: > Some subdevices (i.e., fb/nv50.c and fb/gf100.c) map a scratch page using > dma_map_page() way before the TTM layer has had a chance to set the DMA > mask. This may prevent the driver from loading at all on platforms whose > system memory is