[PATCH 01/44] drm/nouveau/mmu/tu102-: remove write to 0x100e68 during tlb invalidate

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From: Ben Skeggs <bskeggs@xxxxxxxxxx>

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@xxxxxxxxxx>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c
index 0095d58d4d9a..29c12e69540f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c
@@ -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,
-- 
2.41.0




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