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path: root/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/vm/base.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/vm/base.c149
1 files changed, 67 insertions, 82 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
index 9fb858a21abb..b92b3d47c69c 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
@@ -22,22 +22,24 @@
* Authors: Ben Skeggs
*/
-#include "drmP.h"
-#include "nouveau_drv.h"
+#include <core/gpuobj.h>
#include <core/mm.h>
+
+#include <subdev/fb.h>
#include <subdev/vm.h>
void
nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_mem *node)
{
struct nouveau_vm *vm = vma->vm;
+ struct nouveau_vmmgr *vmm = vm->vmm;
struct nouveau_mm_node *r;
- int big = vma->node->type != vm->spg_shift;
+ int big = vma->node->type != vmm->spg_shift;
u32 offset = vma->node->offset + (delta >> 12);
u32 bits = vma->node->type - 12;
- u32 pde = (offset >> vm->pgt_bits) - vm->fpde;
- u32 pte = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
- u32 max = 1 << (vm->pgt_bits - bits);
+ u32 pde = (offset >> vmm->pgt_bits) - vm->fpde;
+ u32 pte = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
+ u32 max = 1 << (vmm->pgt_bits - bits);
u32 end, len;
delta = 0;
@@ -53,7 +55,7 @@ nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_mem *node)
end = max;
len = end - pte;
- vm->map(vma, pgt, node, pte, len, phys, delta);
+ vmm->map(vma, pgt, node, pte, len, phys, delta);
num -= len;
pte += len;
@@ -67,7 +69,7 @@ nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_mem *node)
}
}
- vm->flush(vm);
+ vmm->flush(vm);
}
void
@@ -81,13 +83,14 @@ nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
struct nouveau_mem *mem)
{
struct nouveau_vm *vm = vma->vm;
- int big = vma->node->type != vm->spg_shift;
+ struct nouveau_vmmgr *vmm = vm->vmm;
+ int big = vma->node->type != vmm->spg_shift;
u32 offset = vma->node->offset + (delta >> 12);
u32 bits = vma->node->type - 12;
u32 num = length >> vma->node->type;
- u32 pde = (offset >> vm->pgt_bits) - vm->fpde;
- u32 pte = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
- u32 max = 1 << (vm->pgt_bits - bits);
+ u32 pde = (offset >> vmm->pgt_bits) - vm->fpde;
+ u32 pte = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
+ u32 max = 1 << (vmm->pgt_bits - bits);
unsigned m, sglen;
u32 end, len;
int i;
@@ -105,7 +108,7 @@ nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
for (m = 0; m < len; m++) {
dma_addr_t addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
- vm->map_sg(vma, pgt, mem, pte, 1, &addr);
+ vmm->map_sg(vma, pgt, mem, pte, 1, &addr);
num--;
pte++;
@@ -120,7 +123,7 @@ nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
for (; m < sglen; m++) {
dma_addr_t addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
- vm->map_sg(vma, pgt, mem, pte, 1, &addr);
+ vmm->map_sg(vma, pgt, mem, pte, 1, &addr);
num--;
pte++;
if (num == 0)
@@ -130,7 +133,7 @@ nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
}
finish:
- vm->flush(vm);
+ vmm->flush(vm);
}
void
@@ -138,14 +141,15 @@ nouveau_vm_map_sg(struct nouveau_vma *vma, u64 delta, u64 length,
struct nouveau_mem *mem)
{
struct nouveau_vm *vm = vma->vm;
+ struct nouveau_vmmgr *vmm = vm->vmm;
dma_addr_t *list = mem->pages;
- int big = vma->node->type != vm->spg_shift;
+ int big = vma->node->type != vmm->spg_shift;
u32 offset = vma->node->offset + (delta >> 12);
u32 bits = vma->node->type - 12;
u32 num = length >> vma->node->type;
- u32 pde = (offset >> vm->pgt_bits) - vm->fpde;
- u32 pte = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
- u32 max = 1 << (vm->pgt_bits - bits);
+ u32 pde = (offset >> vmm->pgt_bits) - vm->fpde;
+ u32 pte = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
+ u32 max = 1 << (vmm->pgt_bits - bits);
u32 end, len;
while (num) {
@@ -156,7 +160,7 @@ nouveau_vm_map_sg(struct nouveau_vma *vma, u64 delta, u64 length,
end = max;
len = end - pte;
- vm->map_sg(vma, pgt, mem, pte, len, list);
+ vmm->map_sg(vma, pgt, mem, pte, len, list);
num -= len;
pte += len;
@@ -167,20 +171,21 @@ nouveau_vm_map_sg(struct nouveau_vma *vma, u64 delta, u64 length,
}
}
- vm->flush(vm);
+ vmm->flush(vm);
}
void
nouveau_vm_unmap_at(struct nouveau_vma *vma, u64 delta, u64 length)
{
struct nouveau_vm *vm = vma->vm;
- int big = vma->node->type != vm->spg_shift;
+ struct nouveau_vmmgr *vmm = vm->vmm;
+ int big = vma->node->type != vmm->spg_shift;
u32 offset = vma->node->offset + (delta >> 12);
u32 bits = vma->node->type - 12;
u32 num = length >> vma->node->type;
- u32 pde = (offset >> vm->pgt_bits) - vm->fpde;
- u32 pte = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
- u32 max = 1 << (vm->pgt_bits - bits);
+ u32 pde = (offset >> vmm->pgt_bits) - vm->fpde;
+ u32 pte = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
+ u32 max = 1 << (vmm->pgt_bits - bits);
u32 end, len;
while (num) {
@@ -191,7 +196,7 @@ nouveau_vm_unmap_at(struct nouveau_vma *vma, u64 delta, u64 length)
end = max;
len = end - pte;
- vm->unmap(pgt, pte, len);
+ vmm->unmap(pgt, pte, len);
num -= len;
pte += len;
@@ -201,7 +206,7 @@ nouveau_vm_unmap_at(struct nouveau_vma *vma, u64 delta, u64 length)
}
}
- vm->flush(vm);
+ vmm->flush(vm);
}
void
@@ -213,6 +218,7 @@ nouveau_vm_unmap(struct nouveau_vma *vma)
static void
nouveau_vm_unmap_pgt(struct nouveau_vm *vm, int big, u32 fpde, u32 lpde)
{
+ struct nouveau_vmmgr *vmm = vm->vmm;
struct nouveau_vm_pgd *vpgd;
struct nouveau_vm_pgt *vpgt;
struct nouveau_gpuobj *pgt;
@@ -227,7 +233,7 @@ nouveau_vm_unmap_pgt(struct nouveau_vm *vm, int big, u32 fpde, u32 lpde)
vpgt->obj[big] = NULL;
list_for_each_entry(vpgd, &vm->pgd_list, head) {
- vm->map_pgt(vpgd->obj, pde, vpgt->obj);
+ vmm->map_pgt(vpgd->obj, pde, vpgt->obj);
}
mutex_unlock(&vm->mm.mutex);
@@ -239,18 +245,19 @@ nouveau_vm_unmap_pgt(struct nouveau_vm *vm, int big, u32 fpde, u32 lpde)
static int
nouveau_vm_map_pgt(struct nouveau_vm *vm, u32 pde, u32 type)
{
+ struct nouveau_vmmgr *vmm = vm->vmm;
struct nouveau_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde];
struct nouveau_vm_pgd *vpgd;
struct nouveau_gpuobj *pgt;
- int big = (type != vm->spg_shift);
+ int big = (type != vmm->spg_shift);
u32 pgt_size;
int ret;
- pgt_size = (1 << (vm->pgt_bits + 12)) >> type;
+ pgt_size = (1 << (vmm->pgt_bits + 12)) >> type;
pgt_size *= 8;
mutex_unlock(&vm->mm.mutex);
- ret = nouveau_gpuobj_new(vm->dev, NULL, pgt_size, 0x1000,
+ ret = nouveau_gpuobj_new(nv_object(vm->vmm), NULL, pgt_size, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &pgt);
mutex_lock(&vm->mm.mutex);
if (unlikely(ret))
@@ -266,7 +273,7 @@ nouveau_vm_map_pgt(struct nouveau_vm *vm, u32 pde, u32 type)
vpgt->obj[big] = pgt;
list_for_each_entry(vpgd, &vm->pgd_list, head) {
- vm->map_pgt(vpgd->obj, pde, vpgt->obj);
+ vmm->map_pgt(vpgd->obj, pde, vpgt->obj);
}
return 0;
@@ -276,6 +283,7 @@ int
nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift,
u32 access, struct nouveau_vma *vma)
{
+ struct nouveau_vmmgr *vmm = vm->vmm;
u32 align = (1 << page_shift) >> 12;
u32 msize = size >> 12;
u32 fpde, lpde, pde;
@@ -289,11 +297,11 @@ nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift,
return ret;
}
- fpde = (vma->node->offset >> vm->pgt_bits);
- lpde = (vma->node->offset + vma->node->length - 1) >> vm->pgt_bits;
+ fpde = (vma->node->offset >> vmm->pgt_bits);
+ lpde = (vma->node->offset + vma->node->length - 1) >> vmm->pgt_bits;
for (pde = fpde; pde <= lpde; pde++) {
struct nouveau_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde];
- int big = (vma->node->type != vm->spg_shift);
+ int big = (vma->node->type != vmm->spg_shift);
if (likely(vpgt->refcount[big])) {
vpgt->refcount[big]++;
@@ -321,90 +329,67 @@ void
nouveau_vm_put(struct nouveau_vma *vma)
{
struct nouveau_vm *vm = vma->vm;
+ struct nouveau_vmmgr *vmm = vm->vmm;
u32 fpde, lpde;
if (unlikely(vma->node == NULL))
return;
- fpde = (vma->node->offset >> vm->pgt_bits);
- lpde = (vma->node->offset + vma->node->length - 1) >> vm->pgt_bits;
+ fpde = (vma->node->offset >> vmm->pgt_bits);
+ lpde = (vma->node->offset + vma->node->length - 1) >> vmm->pgt_bits;
mutex_lock(&vm->mm.mutex);
- nouveau_vm_unmap_pgt(vm, vma->node->type != vm->spg_shift, fpde, lpde);
+ nouveau_vm_unmap_pgt(vm, vma->node->type != vmm->spg_shift, fpde, lpde);
nouveau_mm_free(&vm->mm, &vma->node);
mutex_unlock(&vm->mm.mutex);
}
int
-nouveau_vm_new(struct drm_device *dev, u64 offset, u64 length, u64 mm_offset,
- struct nouveau_vm **pvm)
+nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
+ u64 mm_offset, u32 block, struct nouveau_vm **pvm)
{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_vm *vm;
u64 mm_length = (offset + length) - mm_offset;
- u32 block, pgt_bits;
int ret;
- vm = kzalloc(sizeof(*vm), GFP_KERNEL);
+ vm = *pvm = kzalloc(sizeof(*vm), GFP_KERNEL);
if (!vm)
return -ENOMEM;
- if (dev_priv->card_type == NV_50) {
- vm->map_pgt = nv50_vm_map_pgt;
- vm->map = nv50_vm_map;
- vm->map_sg = nv50_vm_map_sg;
- vm->unmap = nv50_vm_unmap;
- vm->flush = nv50_vm_flush;
- vm->spg_shift = 12;
- vm->lpg_shift = 16;
-
- pgt_bits = 29;
- block = (1 << pgt_bits);
- if (length < block)
- block = length;
-
- } else
- if (dev_priv->card_type >= NV_C0) {
- vm->map_pgt = nvc0_vm_map_pgt;
- vm->map = nvc0_vm_map;
- vm->map_sg = nvc0_vm_map_sg;
- vm->unmap = nvc0_vm_unmap;
- vm->flush = nvc0_vm_flush;
- vm->spg_shift = 12;
- vm->lpg_shift = 17;
- pgt_bits = 27;
- block = 4096;
- } else {
- kfree(vm);
- return -ENOSYS;
- }
+ INIT_LIST_HEAD(&vm->pgd_list);
+ vm->vmm = vmm;
+ vm->refcount = 1;
+ vm->fpde = offset >> (vmm->pgt_bits + 12);
+ vm->lpde = (offset + length - 1) >> (vmm->pgt_bits + 12);
- vm->fpde = offset >> pgt_bits;
- vm->lpde = (offset + length - 1) >> pgt_bits;
- vm->pgt = kcalloc(vm->lpde - vm->fpde + 1, sizeof(*vm->pgt), GFP_KERNEL);
+ vm->pgt = kcalloc(vm->lpde - vm->fpde + 1, sizeof(*vm->pgt), GFP_KERNEL);
if (!vm->pgt) {
kfree(vm);
return -ENOMEM;
}
- INIT_LIST_HEAD(&vm->pgd_list);
- vm->dev = dev;
- vm->refcount = 1;
- vm->pgt_bits = pgt_bits - 12;
-
ret = nouveau_mm_init(&vm->mm, mm_offset >> 12, mm_length >> 12,
block >> 12);
if (ret) {
+ kfree(vm->pgt);
kfree(vm);
return ret;
}
- *pvm = vm;
return 0;
}
+int
+nouveau_vm_new(struct nouveau_device *device, u64 offset, u64 length,
+ u64 mm_offset, struct nouveau_vm **pvm)
+{
+ struct nouveau_vmmgr *vmm = nouveau_vmmgr(device);
+ return vmm->create(vmm, offset, length, mm_offset, pvm);
+}
+
static int
nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd)
{
+ struct nouveau_vmmgr *vmm = vm->vmm;
struct nouveau_vm_pgd *vpgd;
int i;
@@ -419,7 +404,7 @@ nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd)
mutex_lock(&vm->mm.mutex);
for (i = vm->fpde; i <= vm->lpde; i++)
- vm->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj);
+ vmm->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj);
list_add(&vpgd->head, &vm->pgd_list);
mutex_unlock(&vm->mm.mutex);
return 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-10 01:40:36 +0300