From 743b7fc481f9e844c374bb51986f0d4db8a684a0 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 19 Sep 2023 06:21:06 +1000 Subject: [PATCH] drm/nouveau/mmu/tu102-: remove write to 0x100e68 during tlb invalidate 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 Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-2-skeggsb@gmail.com --- 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,