From 7986f813c62b295c618a1612e468b84d37c7e2fc Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 11 Dec 2018 14:50:02 +1000
Subject: [PATCH] drm/nouveau/mmu/tu104: initial support
Git-commit: 7986f813c62b295c618a1612e468b84d37c7e2fc
Patch-mainline: v5.0-rc1
References: bsc#1133593
New flush method.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h | 1 +
drivers/gpu/drm/nouveau/nvkm/engine/device/base.c | 1 +
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild | 2 +
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/tu104.c | 43 ++++++++++++
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h | 5 ++
drivers/gpu/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 <core/option.h>
+
+#include <nvif/class.h>
+
+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 <subdev/timer.h>
+
+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);
+}
--
2.16.4