Comment # 96
on bug 78453
from Kai
(In reply to comment #94) > (In reply to comment #86) > > Created attachment 103474 [details] [review] [review] [review] > > Hack to temporarily fix accel > > > > If you want working desktop you can use this patch to disable the packet > > that is the issue. With that mesa patch i have stable acceleration and > > desktop. > > I don't recommend this patch. It disables updates to resource descriptors in > some cases, which means you'll get resource bindings from old draw packets > or even old IBs, which will cause VM faults or even hangs. I think it also > breaks MSAA and might cause hangs there too (CMASK must be cleared). > > Hawaii works without the patch very well here. I'm only using Alex's stuff > from comment 81 and my Mesa fixes. Nothing else. IT WORKS! Thanks to Alex, Marek, Jérôme and all the others involved! The stack I used was (base is Debian Testing): GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1) Linux: ~agdf5/linux:drm-next-3.17-wip (calls itself 3.16-rc4?) libdrm: 2.4.54-1 LLVM: 3.5 RC1 libclc: Git:master/0ec7437d9c Mesa: Git:master/74e100affc + the three patches Marek named ("radeonsi: fix CMASK and HTILE calculations for Hawaii"; "gallium/util: add a helper for calculating primitive count from vertex count"; "radeonsi: fix a hang with instancing on Hawaii") and can be found on mesa-dev. DDX: 1:7.4.0-2 + Patch from http://people.freedesktop.org/~agd5f/0001-radeon-enable-hawaii-accel-conditionally.patch X: 2:1.16.0-1 (1.16.0)
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