From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 1 Nov 2017 03:56:20 +1000
Subject: drm/nouveau: switch to vmm limit
Git-commit: 3c5026395bcdaa956fa5c6ec7571f1a04847c74b
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/nouveau/nouveau_chan.c |   12 +++++-------
 drivers/gpu/drm/nouveau/nouveau_ttm.c  |    2 +-
 2 files changed, 6 insertions(+), 8 deletions(-)

--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -107,7 +107,6 @@ nouveau_channel_prep(struct nouveau_drm
 		     u32 size, struct nouveau_channel **pchan)
 {
 	struct nouveau_cli *cli = (void *)device->object.client;
-	struct nvkm_mmu *mmu = nvxx_mmu(device);
 	struct nv_dma_v0 args = {};
 	struct nouveau_channel *chan;
 	u32 target;
@@ -156,7 +155,7 @@ nouveau_channel_prep(struct nouveau_drm
 		args.target = NV_DMA_V0_TARGET_VM;
 		args.access = NV_DMA_V0_ACCESS_VM;
 		args.start = 0;
-		args.limit = cli->vm->mmu->limit - 1;
+		args.limit = cli->vmm.vmm.limit - 1;
 
 		chan->push.addr = chan->push.vma->addr;
 	} else
@@ -188,7 +187,7 @@ nouveau_channel_prep(struct nouveau_drm
 			args.target = NV_DMA_V0_TARGET_VM;
 			args.access = NV_DMA_V0_ACCESS_RDWR;
 			args.start = 0;
-			args.limit = mmu->limit - 1;
+			args.limit = cli->vmm.vmm.limit - 1;
 		}
 	}
 
@@ -317,7 +316,6 @@ nouveau_channel_init(struct nouveau_chan
 	struct nvif_device *device = chan->device;
 	struct nouveau_cli *cli = (void *)chan->user.client;
 	struct nouveau_drm *drm = chan->drm;
-	struct nvkm_mmu *mmu = nvxx_mmu(device);
 	struct nv_dma_v0 args = {};
 	int ret, i;
 
@@ -342,7 +340,7 @@ nouveau_channel_init(struct nouveau_chan
 			args.target = NV_DMA_V0_TARGET_VM;
 			args.access = NV_DMA_V0_ACCESS_VM;
 			args.start = 0;
-			args.limit = cli->vm->mmu->limit - 1;
+			args.limit = cli->vmm.vmm.limit - 1;
 		} else {
 			args.target = NV_DMA_V0_TARGET_VRAM;
 			args.access = NV_DMA_V0_ACCESS_RDWR;
@@ -359,7 +357,7 @@ nouveau_channel_init(struct nouveau_chan
 			args.target = NV_DMA_V0_TARGET_VM;
 			args.access = NV_DMA_V0_ACCESS_VM;
 			args.start = 0;
-			args.limit = cli->vm->mmu->limit - 1;
+			args.limit = cli->vmm.vmm.limit - 1;
 		} else
 		if (chan->drm->agp.bridge) {
 			args.target = NV_DMA_V0_TARGET_AGP;
@@ -371,7 +369,7 @@ nouveau_channel_init(struct nouveau_chan
 			args.target = NV_DMA_V0_TARGET_VM;
 			args.access = NV_DMA_V0_ACCESS_RDWR;
 			args.start = 0;
-			args.limit = mmu->limit - 1;
+			args.limit = cli->vmm.vmm.limit - 1;
 		}
 
 		ret = nvif_object_init(&chan->user, gart, NV_DMA_IN_MEMORY,
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c
@@ -323,7 +323,7 @@ nouveau_ttm_init(struct nouveau_drm *drm
 
 	/* GART init */
 	if (!drm->agp.bridge) {
-		drm->gem.gart_available = nvxx_mmu(&drm->client.device)->limit;
+		drm->gem.gart_available = drm->client.vmm.vmm.limit;
 	} else {
 		drm->gem.gart_available = drm->agp.size;
 	}