From 7986f813c62b295c618a1612e468b84d37c7e2fc Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 11 Dec 2018 14:50:02 +1000 Subject: [PATCH] drm/nouveau/mmu/tu104: initial support New flush method. Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/include/nvkm/subdev/mmu.h | 1 + .../gpu/drm/nouveau/nvkm/engine/device/base.c | 1 + .../gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild | 2 + .../gpu/drm/nouveau/nvkm/subdev/mmu/tu104.c | 43 +++++++++++ drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h | 5 ++ .../drm/nouveau/nvkm/subdev/mmu/vmmtu104.c | 77 +++++++++++++++++++ 6 files changed, 129 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/tu104.c create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu104.c diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h index 688595545e21..0a0e064f22e5 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h @@ -130,4 +130,5 @@ int gm20b_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); int gp100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); int gp10b_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); int gv100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); +int tu104_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **); #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 190013792727..19da7259b231 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -2448,6 +2448,7 @@ nv164_chipset = { .imem = nv50_instmem_new, .ltc = gp102_ltc_new, .mc = tu104_mc_new, + .mmu = tu104_mmu_new, .pci = gp100_pci_new, .timer = gk20a_timer_new, .top = gk104_top_new, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild index 58a24e3a0598..8966180b36cc 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild @@ -13,6 +13,7 @@ nvkm-y += nvkm/subdev/mmu/gm20b.o nvkm-y += nvkm/subdev/mmu/gp100.o nvkm-y += nvkm/subdev/mmu/gp10b.o nvkm-y += nvkm/subdev/mmu/gv100.o +nvkm-y += nvkm/subdev/mmu/tu104.o nvkm-y += nvkm/subdev/mmu/mem.o nvkm-y += nvkm/subdev/mmu/memnv04.o @@ -33,6 +34,7 @@ nvkm-y += nvkm/subdev/mmu/vmmgm20b.o nvkm-y += nvkm/subdev/mmu/vmmgp100.o nvkm-y += nvkm/subdev/mmu/vmmgp10b.o nvkm-y += nvkm/subdev/mmu/vmmgv100.o +nvkm-y += nvkm/subdev/mmu/vmmtu104.o nvkm-y += nvkm/subdev/mmu/umem.o nvkm-y += nvkm/subdev/mmu/ummu.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/tu104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/tu104.c new file mode 100644 index 000000000000..8e6f4096170d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/tu104.c @@ -0,0 +1,43 @@ +/* + * Copyright 2018 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 "mem.h" +#include "vmm.h" + +#include + +#include + +static const struct nvkm_mmu_func +tu104_mmu = { + .dma_bits = 47, + .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}}, + .mem = {{ -1, 0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map }, + .vmm = {{ -1, 0, NVIF_CLASS_VMM_GP100}, tu104_vmm_new }, + .kind = gm200_mmu_kind, + .kind_sys = true, +}; + +int +tu104_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) +{ + return nvkm_mmu_new_(&tu104_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 6d3f1e33793d..42ad326521a3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h @@ -201,6 +201,8 @@ int gp100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *); int gp100_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *); void gp100_vmm_flush(struct nvkm_vmm *, int); +int gv100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *); + 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, @@ -240,6 +242,9 @@ int gp10b_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, int gv100_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, struct lock_class_key *, const char *, struct nvkm_vmm **); +int tu104_vmm_new(struct nvkm_mmu *, u64, u64, void *, u32, + struct lock_class_key *, const char *, + struct nvkm_vmm **); #define VMM_PRINT(l,v,p,f,a...) do { \ struct nvkm_vmm *_vmm = (v); \ diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu104.c new file mode 100644 index 000000000000..adaadd92110f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu104.c @@ -0,0 +1,77 @@ +/* + * Copyright 2018 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" + +#include + +static void +tu104_vmm_flush(struct nvkm_vmm *vmm, int depth) +{ + struct nvkm_subdev *subdev = &vmm->mmu->subdev; + struct nvkm_device *device = subdev->device; + u32 type = depth << 24; /*XXX: not confirmed */ + + type = 0x00000001; /* PAGE_ALL */ + if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR])) + type |= 0x00000004; /* HUB_ONLY */ + + mutex_lock(&subdev->mutex); + + 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, + if (!(nvkm_rd32(device, 0xb830b0) & 0x80000000)) + break; + ); + + mutex_unlock(&subdev->mutex); +} + +static const struct nvkm_vmm_func +tu104_vmm = { + .join = gv100_vmm_join, + .part = gf100_vmm_part, + .aper = gf100_vmm_aper, + .valid = gp100_vmm_valid, + .flush = tu104_vmm_flush, + .page = { + { 47, &gp100_vmm_desc_16[4], NVKM_VMM_PAGE_Sxxx }, + { 38, &gp100_vmm_desc_16[3], NVKM_VMM_PAGE_Sxxx }, + { 29, &gp100_vmm_desc_16[2], NVKM_VMM_PAGE_Sxxx }, + { 21, &gp100_vmm_desc_16[1], NVKM_VMM_PAGE_SVxC }, + { 16, &gp100_vmm_desc_16[0], NVKM_VMM_PAGE_SVxC }, + { 12, &gp100_vmm_desc_12[0], NVKM_VMM_PAGE_SVHx }, + {} + } +}; + +int +tu104_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_(&tu104_vmm, mmu, 0, addr, size, + argv, argc, key, name, pvmm); +} -- 2.45.2