From 77783435c31182166c4679ad75358e1756d1e5da Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 1 Nov 2017 03:56:19 +1000 Subject: [PATCH] drm/nouveau/mmu/nv41: implement vmm on top of new base Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild | 1 + drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c | 44 ++++++++------------ drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h | 3 ++ drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv41.c | 49 +++++++++++++++++++++++ 4 files changed, 69 insertions(+), 28 deletions(-) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv41.c diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild index 64684a7..4b3e403 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild @@ -14,3 +14,4 @@ nvkm-y += nvkm/subdev/mmu/gp10b.o nvkm-y += nvkm/subdev/mmu/vmm.o nvkm-y += nvkm/subdev/mmu/vmmnv04.o +nvkm-y += nvkm/subdev/mmu/vmmnv41.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c index 9b5375c..cb037f4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c @@ -21,12 +21,13 @@ * * Authors: Ben Skeggs */ -#include "nv04.h" +#include "vmm.h" -#include #include #include +#include + #define NV41_GART_SIZE (512 * 1024 * 1024) #define NV41_GART_PAGE ( 4 * 1024) @@ -68,17 +69,17 @@ nv41_vm_unmap(struct nvkm_vma *vma, struct nvkm_memory *pgt, u32 pte, u32 cnt) static void nv41_vm_flush(struct nvkm_vm *vm) { - struct nv04_mmu *mmu = nv04_mmu(vm->mmu); - struct nvkm_device *device = mmu->base.subdev.device; + struct nvkm_subdev *subdev = &vm->mmu->subdev; + struct nvkm_device *device = subdev->device; - mutex_lock(&mmu->base.subdev.mutex); + mutex_lock(&subdev->mutex); nvkm_wr32(device, 0x100810, 0x00000022); nvkm_msec(device, 2000, if (nvkm_rd32(device, 0x100810) & 0x00000020) break; ); nvkm_wr32(device, 0x100810, 0x00000000); - mutex_unlock(&mmu->base.subdev.mutex); + mutex_unlock(&subdev->mutex); } /******************************************************************************* @@ -86,38 +87,24 @@ nv41_vm_flush(struct nvkm_vm *vm) ******************************************************************************/ static int -nv41_mmu_oneinit(struct nvkm_mmu *base) +nv41_mmu_oneinit(struct nvkm_mmu *mmu) { - struct nv04_mmu *mmu = nv04_mmu(base); - struct nvkm_device *device = mmu->base.subdev.device; - int ret; - - ret = nvkm_vm_create(&mmu->base, 0, NV41_GART_SIZE, 0, 4096, NULL, - &mmu->base.vmm); - if (ret) - return ret; - - ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, - (NV41_GART_SIZE / NV41_GART_PAGE) * 4, 16, true, - &mmu->base.vmm->pgt[0].mem[0]); - mmu->base.vmm->pgt[0].refcount[0] = 1; - return ret; + mmu->vmm->pgt[0].mem[0] = mmu->vmm->pd->pt[0]->memory; + mmu->vmm->pgt[0].refcount[0] = 1; + return 0; } static void -nv41_mmu_init(struct nvkm_mmu *base) +nv41_mmu_init(struct nvkm_mmu *mmu) { - struct nv04_mmu *mmu = nv04_mmu(base); - struct nvkm_device *device = mmu->base.subdev.device; - struct nvkm_memory *dma = mmu->base.vmm->pgt[0].mem[0]; - nvkm_wr32(device, 0x100800, 0x00000002 | nvkm_memory_addr(dma)); + struct nvkm_device *device = mmu->subdev.device; + nvkm_wr32(device, 0x100800, 0x00000002 | mmu->vmm->pd->pt[0]->addr); nvkm_mask(device, 0x10008c, 0x00000100, 0x00000100); nvkm_wr32(device, 0x100820, 0x00000000); } static const struct nvkm_mmu_func nv41_mmu = { - .dtor = nv04_mmu_dtor, .oneinit = nv41_mmu_oneinit, .init = nv41_mmu_init, .limit = NV41_GART_SIZE, @@ -128,6 +115,7 @@ nv41_mmu = { .map_sg = nv41_vm_map_sg, .unmap = nv41_vm_unmap, .flush = nv41_vm_flush, + .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV04}, nv41_vmm_new, true }, }; int @@ -137,5 +125,5 @@ nv41_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) !nvkm_boolopt(device->cfgopt, "NvPCIE", true)) return nv04_mmu_new(device, index, pmmu); - return nv04_mmu_new_(&nv41_mmu, device, index, pmmu); + return nvkm_mmu_new_(&nv41_mmu, device, index, pmmu); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h index 093ddb4..16d4a4c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h @@ -105,6 +105,9 @@ void nvkm_vmm_dtor(struct nvkm_vmm *); int nv04_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *, u32, u64, u64, void *, u32, struct lock_class_key *, const char *, struct nvkm_vmm **); + int nv04_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, struct lock_class_key *, const char *, struct nvkm_vmm **); +int nv41_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, + struct lock_class_key *, const char *, struct nvkm_vmm **); #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv41.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv41.c new file mode 100644 index 0000000..8a624d7 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv41.c @@ -0,0 +1,49 @@ +/* + * Copyright 2017 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "vmm.h" + +static const struct nvkm_vmm_desc_func +nv41_vmm_desc_pgt = { +}; + +static const struct nvkm_vmm_desc +nv41_vmm_desc_12[] = { + { PGT, 17, 4, 0x1000, &nv41_vmm_desc_pgt }, + {} +}; + +static const struct nvkm_vmm_func +nv41_vmm = { + .page = { + { 12, &nv41_vmm_desc_12[0], NVKM_VMM_PAGE_HOST }, + {} + } +}; + +int +nv41_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc, + struct lock_class_key *key, const char *name, + struct nvkm_vmm **pvmm) +{ + return nv04_vmm_new_(&nv41_vmm, mmu, 0, addr, size, + argv, argc, key, name, pvmm); +} -- 2.7.4