[Looping in Carsten who also has an AMD board in his TX2] g.
On 08/01/2019 16:24, Jeremy Linton wrote: > Hi, > > On 01/08/2019 08:28 AM, Ard Biesheuvel wrote: >> Hi Bero, >> >> On Tue, 8 Jan 2019 at 15:25, Bero Rosenkränzer >> <bernhard.rosenkran...@linaro.org> wrote: >> ... >>> >>>> This is bad for the ARM ecosystem, since it is the >>>> only driver we have for NVIDIA hardware, and it has fewer issues than >>>> AMD GPU drivers + hardware running on ARM systenms. >>> >>> What's the problem with AMD GPU drivers on ARM? Just missing >>> workarounds for things like the SynQuacer PCIE bug? >>> On x86, AMD drivers tend to work better than NVIDIA, so maybe the >>> simple (and acceptable, given NVIDIA refuses to join) fix would be >>> improving AMD drivers and telling NVIDIA to go to hell... >>> >> >> AMD gfx cards produce lots of visual corruption under Linux on all of >> the arm64 boards I tried (including Seattle which has properly working >> PCIe), and I have never managed to get anyone interested in looking >> into it (although I didn't try /that/ hard tbh) > > Presumably amdgpu, and a more recent board? I had good luck with a > hd5450 and the radeon driver although in its default configuration it > expects to bootstrap the card using PCI PIO. Nouveau is hardly free from > failures either, particularly if you happen to be running a 64k kernel. > > Given that AMD has been a bit more open with their documentation, has an > aarch64 UEFI/GOP driver on their site > (https://www.amd.com/en/support/kb/release-notes/rn-aar), and doesn't > seem to suffer as much when running !4k kernels, fixing it sounds well > worth the effort. _______________________________________________ cross-distro mailing list cross-distro@lists.linaro.org https://lists.linaro.org/mailman/listinfo/cross-distro
