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-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h11
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drm.c4
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c11
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c6
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c46
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c4
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c4
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c6
10 files changed, 46 insertions, 50 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index 2bf8f46c1bb0..0991c9011dc1 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
@@ -26,6 +26,8 @@ struct nvkm_vma {
struct nvkm_vm {
struct nvkm_mmu *mmu;
+
+ struct mutex mutex;
struct nvkm_mm mm;
struct kref refcount;
@@ -47,7 +49,8 @@ struct nvkm_mmu {
u8 lpg_shift;
int (*create)(struct nvkm_mmu *, u64 offset, u64 length,
- u64 mm_offset, struct nvkm_vm **);
+ u64 mm_offset, struct lock_class_key *,
+ struct nvkm_vm **);
void (*map_pgt)(struct nvkm_gpuobj *pgd, u32 pde,
struct nvkm_gpuobj *pgt[2]);
@@ -85,14 +88,14 @@ extern struct nvkm_oclass nv44_mmu_oclass;
extern struct nvkm_oclass nv50_mmu_oclass;
extern struct nvkm_oclass gf100_mmu_oclass;
-int nv04_vm_create(struct nvkm_mmu *, u64, u64, u64,
+int nv04_vm_create(struct nvkm_mmu *, u64, u64, u64, struct lock_class_key *,
struct nvkm_vm **);
void nv04_mmu_dtor(struct nvkm_object *);
int nvkm_vm_create(struct nvkm_mmu *, u64 offset, u64 length, u64 mm_offset,
- u32 block, struct nvkm_vm **);
+ u32 block, struct lock_class_key *, struct nvkm_vm **);
int nvkm_vm_new(struct nvkm_device *, u64 offset, u64 length, u64 mm_offset,
- struct nvkm_vm **);
+ struct lock_class_key *, struct nvkm_vm **);
int nvkm_vm_ref(struct nvkm_vm *, struct nvkm_vm **, struct nvkm_gpuobj *pgd);
int nvkm_vm_get(struct nvkm_vm *, u64 size, u32 page_shift, u32 access,
struct nvkm_vma *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index e638ae7c00c2..650e911dd704 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -416,7 +416,7 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
- 0x1000, &drm->client.vm);
+ 0x1000, NULL, &drm->client.vm);
if (ret)
goto fail_device;
@@ -809,7 +809,7 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
- 0x1000, &cli->vm);
+ 0x1000, NULL, &cli->vm);
if (ret) {
nouveau_cli_destroy(cli);
goto out_suspend;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
index b997d8d128c5..01e26213fd88 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
@@ -77,9 +77,10 @@ gf100_bar_unmap(struct nvkm_bar *bar, struct nvkm_vma *vma)
nvkm_vm_put(vma);
}
+
static int
gf100_bar_ctor_vm(struct gf100_bar *bar, struct gf100_bar_vm *bar_vm,
- int bar_nr)
+ struct lock_class_key *key, int bar_nr)
{
struct nvkm_device *device = nv_device(&bar->base);
struct nvkm_vm *vm;
@@ -98,7 +99,7 @@ gf100_bar_ctor_vm(struct gf100_bar *bar, struct gf100_bar_vm *bar_vm,
bar_len = nv_device_resource_len(device, bar_nr);
- ret = nvkm_vm_new(device, 0, bar_len, 0, &vm);
+ ret = nvkm_vm_new(device, 0, bar_len, 0, key, &vm);
if (ret)
return ret;
@@ -136,6 +137,8 @@ gf100_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
+ static struct lock_class_key bar1_lock;
+ static struct lock_class_key bar3_lock;
struct nvkm_device *device = nv_device(parent);
struct gf100_bar *bar;
bool has_bar3 = nv_device_resource_len(device, 3) != 0;
@@ -148,13 +151,13 @@ gf100_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
/* BAR3 */
if (has_bar3) {
- ret = gf100_bar_ctor_vm(bar, &bar->bar[0], 3);
+ ret = gf100_bar_ctor_vm(bar, &bar->bar[0], &bar3_lock, 3);
if (ret)
return ret;
}
/* BAR1 */
- ret = gf100_bar_ctor_vm(bar, &bar->bar[1], 1);
+ ret = gf100_bar_ctor_vm(bar, &bar->bar[1], &bar1_lock, 1);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
index 6909e52a6d8d..cb58cc5b2b57 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
@@ -112,6 +112,8 @@ nv50_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
+ static struct lock_class_key bar1_lock;
+ static struct lock_class_key bar3_lock;
struct nvkm_device *device = nv_device(parent);
struct nvkm_object *heap;
struct nvkm_vm *vm;
@@ -144,7 +146,7 @@ nv50_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
start = 0x0100000000ULL;
limit = start + nv_device_resource_len(device, 3);
- ret = nvkm_vm_new(device, start, limit, start, &vm);
+ ret = nvkm_vm_new(device, start, limit, start, &bar3_lock, &vm);
if (ret)
return ret;
@@ -180,7 +182,7 @@ nv50_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
start = 0x0000000000ULL;
limit = start + nv_device_resource_len(device, 1);
- ret = nvkm_vm_new(device, start, limit--, start, &vm);
+ ret = nvkm_vm_new(device, start, limit--, start, &bar1_lock, &vm);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c
index 277b6ec04e24..e81d3170325f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c
@@ -240,9 +240,7 @@ nvkm_vm_unmap_pgt(struct nvkm_vm *vm, int big, u32 fpde, u32 lpde)
mmu->map_pgt(vpgd->obj, pde, vpgt->obj);
}
- mutex_unlock(&nv_subdev(mmu)->mutex);
nvkm_gpuobj_ref(NULL, &pgt);
- mutex_lock(&nv_subdev(mmu)->mutex);
}
}
@@ -252,7 +250,6 @@ nvkm_vm_map_pgt(struct nvkm_vm *vm, u32 pde, u32 type)
struct nvkm_mmu *mmu = vm->mmu;
struct nvkm_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde];
struct nvkm_vm_pgd *vpgd;
- struct nvkm_gpuobj *pgt;
int big = (type != mmu->spg_shift);
u32 pgt_size;
int ret;
@@ -260,26 +257,16 @@ nvkm_vm_map_pgt(struct nvkm_vm *vm, u32 pde, u32 type)
pgt_size = (1 << (mmu->pgt_bits + 12)) >> type;
pgt_size *= 8;
- mutex_unlock(&nv_subdev(mmu)->mutex);
ret = nvkm_gpuobj_new(nv_object(vm->mmu), NULL, pgt_size, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC, &pgt);
- mutex_lock(&nv_subdev(mmu)->mutex);
+ NVOBJ_FLAG_ZERO_ALLOC, &vpgt->obj[big]);
if (unlikely(ret))
return ret;
- /* someone beat us to filling the PDE while we didn't have the lock */
- if (unlikely(vpgt->refcount[big]++)) {
- mutex_unlock(&nv_subdev(mmu)->mutex);
- nvkm_gpuobj_ref(NULL, &pgt);
- mutex_lock(&nv_subdev(mmu)->mutex);
- return 0;
- }
-
- vpgt->obj[big] = pgt;
list_for_each_entry(vpgd, &vm->pgd_list, head) {
mmu->map_pgt(vpgd->obj, pde, vpgt->obj);
}
+ vpgt->refcount[big]++;
return 0;
}
@@ -293,11 +280,11 @@ nvkm_vm_get(struct nvkm_vm *vm, u64 size, u32 page_shift, u32 access,
u32 fpde, lpde, pde;
int ret;
- mutex_lock(&nv_subdev(mmu)->mutex);
+ mutex_lock(&vm->mutex);
ret = nvkm_mm_head(&vm->mm, 0, page_shift, msize, msize, align,
&vma->node);
if (unlikely(ret != 0)) {
- mutex_unlock(&nv_subdev(mmu)->mutex);
+ mutex_unlock(&vm->mutex);
return ret;
}
@@ -318,11 +305,11 @@ nvkm_vm_get(struct nvkm_vm *vm, u64 size, u32 page_shift, u32 access,
if (pde != fpde)
nvkm_vm_unmap_pgt(vm, big, fpde, pde - 1);
nvkm_mm_free(&vm->mm, &vma->node);
- mutex_unlock(&nv_subdev(mmu)->mutex);
+ mutex_unlock(&vm->mutex);
return ret;
}
}
- mutex_unlock(&nv_subdev(mmu)->mutex);
+ mutex_unlock(&vm->mutex);
vma->vm = NULL;
nvkm_vm_ref(vm, &vma->vm, NULL);
@@ -343,18 +330,19 @@ nvkm_vm_put(struct nvkm_vma *vma)
fpde = (vma->node->offset >> mmu->pgt_bits);
lpde = (vma->node->offset + vma->node->length - 1) >> mmu->pgt_bits;
- mutex_lock(&nv_subdev(mmu)->mutex);
+ mutex_lock(&vm->mutex);
nvkm_vm_unmap_pgt(vm, vma->node->type != mmu->spg_shift, fpde, lpde);
nvkm_mm_free(&vm->mm, &vma->node);
- mutex_unlock(&nv_subdev(mmu)->mutex);
+ mutex_unlock(&vm->mutex);
nvkm_vm_ref(NULL, &vma->vm, NULL);
}
int
nvkm_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
- u32 block, struct nvkm_vm **pvm)
+ u32 block, struct lock_class_key *key, struct nvkm_vm **pvm)
{
+ static struct lock_class_key _key;
struct nvkm_vm *vm;
u64 mm_length = (offset + length) - mm_offset;
int ret;
@@ -363,6 +351,7 @@ nvkm_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
if (!vm)
return -ENOMEM;
+ __mutex_init(&vm->mutex, "&vm->mutex", key ? key : &_key);
INIT_LIST_HEAD(&vm->pgd_list);
vm->mmu = mmu;
kref_init(&vm->refcount);
@@ -390,10 +379,10 @@ nvkm_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
int
nvkm_vm_new(struct nvkm_device *device, u64 offset, u64 length, u64 mm_offset,
- struct nvkm_vm **pvm)
+ struct lock_class_key *key, struct nvkm_vm **pvm)
{
struct nvkm_mmu *mmu = nvkm_mmu(device);
- return mmu->create(mmu, offset, length, mm_offset, pvm);
+ return mmu->create(mmu, offset, length, mm_offset, key, pvm);
}
static int
@@ -412,25 +401,24 @@ nvkm_vm_link(struct nvkm_vm *vm, struct nvkm_gpuobj *pgd)
nvkm_gpuobj_ref(pgd, &vpgd->obj);
- mutex_lock(&nv_subdev(mmu)->mutex);
+ mutex_lock(&vm->mutex);
for (i = vm->fpde; i <= vm->lpde; i++)
mmu->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj);
list_add(&vpgd->head, &vm->pgd_list);
- mutex_unlock(&nv_subdev(mmu)->mutex);
+ mutex_unlock(&vm->mutex);
return 0;
}
static void
nvkm_vm_unlink(struct nvkm_vm *vm, struct nvkm_gpuobj *mpgd)
{
- struct nvkm_mmu *mmu = vm->mmu;
struct nvkm_vm_pgd *vpgd, *tmp;
struct nvkm_gpuobj *pgd = NULL;
if (!mpgd)
return;
- mutex_lock(&nv_subdev(mmu)->mutex);
+ mutex_lock(&vm->mutex);
list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) {
if (vpgd->obj == mpgd) {
pgd = vpgd->obj;
@@ -439,7 +427,7 @@ nvkm_vm_unlink(struct nvkm_vm *vm, struct nvkm_gpuobj *mpgd)
break;
}
}
- mutex_unlock(&nv_subdev(mmu)->mutex);
+ mutex_unlock(&vm->mutex);
nvkm_gpuobj_ref(NULL, &pgd);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c
index 13798fdac1a8..e801e57946ad 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c
@@ -197,9 +197,9 @@ gf100_vm_flush(struct nvkm_vm *vm)
static int
gf100_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
- struct nvkm_vm **pvm)
+ struct lock_class_key *key, struct nvkm_vm **pvm)
{
- return nvkm_vm_create(mmu, offset, length, mm_offset, 4096, pvm);
+ return nvkm_vm_create(mmu, offset, length, mm_offset, 4096, key, pvm);
}
static int
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
index 57b13d2a348c..b30a865a4071 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
@@ -74,7 +74,7 @@ nv04_vm_flush(struct nvkm_vm *vm)
int
nv04_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mmstart,
- struct nvkm_vm **pvm)
+ struct lock_class_key *key, struct nvkm_vm **pvm)
{
return -EINVAL;
}
@@ -108,7 +108,7 @@ nv04_mmu_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
mmu->base.unmap = nv04_vm_unmap;
mmu->base.flush = nv04_vm_flush;
- ret = nvkm_vm_create(&mmu->base, 0, NV04_PDMA_SIZE, 0, 4096,
+ ret = nvkm_vm_create(&mmu->base, 0, NV04_PDMA_SIZE, 0, 4096, NULL,
&mmu->vm);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
index 26192b91e456..6fd74f1f7290 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
@@ -116,7 +116,7 @@ nv41_mmu_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
mmu->base.unmap = nv41_vm_unmap;
mmu->base.flush = nv41_vm_flush;
- ret = nvkm_vm_create(&mmu->base, 0, NV41_GART_SIZE, 0, 4096,
+ ret = nvkm_vm_create(&mmu->base, 0, NV41_GART_SIZE, 0, 4096, NULL,
&mmu->vm);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c
index 3e51dc772536..ef53dfa356bb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c
@@ -195,7 +195,7 @@ nv44_mmu_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
mmu->null = 0;
}
- ret = nvkm_vm_create(&mmu->base, 0, NV44_GART_SIZE, 0, 4096,
+ ret = nvkm_vm_create(&mmu->base, 0, NV44_GART_SIZE, 0, 4096, NULL,
&mmu->vm);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c
index cec41ca80f4b..b87fef9ee198 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c
@@ -201,14 +201,14 @@ nv50_vm_flush(struct nvkm_vm *vm)
}
static int
-nv50_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length,
- u64 mm_offset, struct nvkm_vm **pvm)
+nv50_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
+ struct lock_class_key *key, struct nvkm_vm **pvm)
{
u32 block = (1 << (mmu->pgt_bits + 12));
if (block > length)
block = length;
- return nvkm_vm_create(mmu, offset, length, mm_offset, block, pvm);
+ return nvkm_vm_create(mmu, offset, length, mm_offset, block, key, pvm);
}
static int
generated by cgit (git 2.34.1) at 2025-04-28 17:57:34 +0000