Messages in this thread |  | | From | Alexandre Courbot <> | Date | Mon, 3 Oct 2016 14:45:59 +0900 | Subject | Re: [Nouveau] [PATCH v4 3/3] drm/nouveau/fb/nv50: defer DMA mapping of scratch page to init() hook |
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On Mon, Sep 26, 2016 at 9:32 PM, Ard Biesheuvel <ard.biesheuvel@linaro.org> 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 > problems for platforms with no memory below 4 GB (such as AMD Seattle) > > So move the dma_map_page() to the .init hook, which executes after the > DMA mask has been set.
The comments I did on gf100 also apply here. The only difference is that you will have to create the oneinit hook which does not exist in this file.
Thanks!
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