On Mon, Sep 12, 2016 at 9:17 PM, Michel Dänzer <michel at daenzer.net> wrote: > On 13/09/16 01:44 AM, Alex Deucher wrote: >> From: "monk.liu" <monk.liu at amd.com> >> >> original we use ttm_dma path to allocate GTT bo, which is too much >> slower than the path of ttm_pool, in most cases. >> >> The swiotlb checks don't seem to work and we always end up in the >> slow path even when an IOMMU is available. > > This change will break any cases where SWIOTLB is actually necessary > though, won't it?
Yes, theoretically. Alex > > > -- > Earthling Michel Dänzer | http://www.amd.com > Libre software enthusiast | Mesa and X developer
