On Sun, Jan 7, 2018 at 9:50 AM, Christian König <ckoenig.leichtzumer...@gmail.com> wrote: > Am 07.01.2018 um 01:48 schrieb Marek Olšák: >> >> On Sat, Jan 6, 2018 at 5:51 PM, Christian König >> <ckoenig.leichtzumer...@gmail.com> wrote: >>> >>> Hi Marek, >>> >>> actually I was on the verge to remove the 32bit VM support in libdrm >>> because >>> it clashes with HMM and SVM in general. >>> >>> Is it possible to set the upper 32bit of the 64bit address to some fixed >>> value instead? >> >> Yes, but not on radeon. radeon only has 8GB of virtual address space and >> 4GB on older kernels. I would have to change LLVM to set the high bits >> differently on amdgpu but keep the high bits 0 on radeon. > > > That only matters on Vega10/Raven anyway. > > But in general being able to define what LLVM uses for the upper bits sounds > like a good idea to me, this way we can keep the handling in Mesa. > > Going to send updated libdrm patches which keeps the 32bit range usable on > Vega10/Raven as well.
What is wrong with Vega10/Raven? The 32bit range works fine on Raven here. Marek _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
