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drm/nouveau/mmu/tu102-: remove write to 0x100e68 during tlb invalidate

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This was cargo-culted from traces of RM when the code was written, but
we probably shouldn't be touching NV_PFB regs while GSP-RM is running.

From traces, it looks like NVIDIA dropped this sometime between 510.54
and 515.48.07, so I guess we can too.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-2-skeggsb@gmail.com
This commit is contained in:
Ben Skeggs 2023-09-19 06:21:06 +10:00 committed by Dave Airlie
parent 631808095a
commit 743b7fc481
1 changed files with 0 additions and 1 deletions
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drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c
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@ -37,7 +37,6 @@ tu102_vmm_flush(struct nvkm_vmm *vmm, int depth)
nvkm_wr32(device, 0xb830a0, vmm->pd->pt[0]->addr >> 8);
nvkm_wr32(device, 0xb830a4, 0x00000000);
nvkm_wr32(device, 0x100e68, 0x00000000);
nvkm_wr32(device, 0xb830b0, 0x80000000 | type);
nvkm_msec(device, 2000,