Bisection status report:
The latest commit I have gotten to work is
10842ba074e9 drm/nouveau: remove unused nouveau_fence_work()
i.e. the first bad commit is
d7722134b825 drm/nouveau: switch over to new memory and vmm interfaces
Even with the first one some patches/hacks are needed:
- in mmu/gp10b.c, in the constructor we need to select the GM200 path -
the GP100 path seems to not to work
- as mentioned in the first mail, we need to set .mmu = gp10b_mmu_new,
- and in nouveau_mem_memory_target we need to return
NVKM_MEM_TARGET_NCOH instead of NVKM_MEM_TARGET_HOST.
Cheers,
Mikko
On 11/10/2017 11:27 PM, Mikko Perttunen wrote:
Hello everyone,
it seems that GP10B support has regressed recently. With linux-next, I
need to modify device/base.c to set
.mmu = gp10b_mmu_new
for GP10B (makes sense - I guess this was left as gf100_mmu_new as a
typo) to probe. After that, running a trivial testcase (running a NOP
method in 3D class) fails with
[ 110.084649] nouveau 17000000.gpu: fifo: read fault at 0000011000
engine 06 [HOST0] client 06 [GPC0/L1_2] reas|
on 02 [PTE] on channel 1 [00f206a000 nouveau_noop_te[2413]]
|
[ 110.101423] nouveau 17000000.gpu: fifo: channel 1: killed
|
[ 110.106827] nouveau 17000000.gpu: fifo: runlist 0: scheduled for
recovery |
Submitted pushbuffer. |
[ 110.113867] nouveau 17000000.gpu: nouveau_noop_te[2413]: channel 1
killed! |
[ 125.084858] nouveau 17000000.gpu: nouveau_noop_te[2413]: failed to
idle channel 1 [nouveau_noop_te[2413]]
I haven't managed to track this down yet. However, I did find out that
checking out the drm/nouveau directory at commit "drm/nouveau/kms/nv50:
use the correct state for base channel notifier setup" makes things work
again.
I'll continue to take look, though bisecting is a bit harder than usual
due to some other issues in Tegra186 recently, so any pointers in the
right direction would be useful :)
Thanks,
Mikko
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