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drm/amdgpu: rework amdgpu_cs_find_mapping 

Use the VM instead of the BO list to find the BO for a virtual address.

This fixes UVD/VCE in physical mode with VM local BOs.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-09-06 16:55:16 +02:00 committed by Alex Deucher
parent 9cca0b8e5d
commit aebc5e6f50
4 changed files with 30 additions and 32 deletions
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42
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -1479,46 +1479,24 @@ int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
uint64_t addr, struct amdgpu_bo **bo,
struct amdgpu_bo_va_mapping **map)
{
struct amdgpu_fpriv *fpriv = parser->filp->driver_priv;
struct amdgpu_vm *vm = &fpriv->vm;
struct amdgpu_bo_va_mapping *mapping;
unsigned i;
int r;
if (!parser->bo_list)
return 0;
addr /= AMDGPU_GPU_PAGE_SIZE;
for (i = 0; i < parser->bo_list->num_entries; i++) {
struct amdgpu_bo_list_entry *lobj;
mapping = amdgpu_vm_bo_lookup_mapping(vm, addr);
if (!mapping || !mapping->bo_va || !mapping->bo_va->base.bo)
return -EINVAL;
lobj = &parser->bo_list->array[i];
if (!lobj->bo_va)
continue;
*bo = mapping->bo_va->base.bo;
*map = mapping;
list_for_each_entry(mapping, &lobj->bo_va->valids, list) {
if (mapping->start > addr ||
addr > mapping->last)
continue;
/* Double check that the BO is reserved by this CS */
if (READ_ONCE((*bo)->tbo.resv->lock.ctx) != &parser->ticket)
return -EINVAL;
*bo = lobj->bo_va->base.bo;
*map = mapping;
goto found;
}
list_for_each_entry(mapping, &lobj->bo_va->invalids, list) {
if (mapping->start > addr ||
addr > mapping->last)
continue;
*bo = lobj->bo_va->base.bo;
*map = mapping;
goto found;
}
}
return -EINVAL;
found:
r = amdgpu_ttm_bind(&(*bo)->tbo, &(*bo)->tbo.mem);
if (unlikely(r))
return r;

1
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View File

@ -35,6 +35,7 @@
/* bo virtual addresses in a vm */
struct amdgpu_bo_va_mapping {
struct amdgpu_bo_va *bo_va;
struct list_head list;
struct rb_node rb;
uint64_t start;

17
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -2086,6 +2086,7 @@ static void amdgpu_vm_bo_insert_map(struct amdgpu_device *adev,
struct amdgpu_vm *vm = bo_va->base.vm;
struct amdgpu_bo *bo = bo_va->base.bo;
mapping->bo_va = bo_va;
list_add(&mapping->list, &bo_va->invalids);
amdgpu_vm_it_insert(mapping, &vm->va);
@ -2263,6 +2264,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
list_del(&mapping->list);
amdgpu_vm_it_remove(mapping, &vm->va);
mapping->bo_va = NULL;
trace_amdgpu_vm_bo_unmap(bo_va, mapping);
if (valid)
@ -2348,6 +2350,7 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
if (tmp->last > eaddr)
tmp->last = eaddr;
tmp->bo_va = NULL;
list_add(&tmp->list, &vm->freed);
trace_amdgpu_vm_bo_unmap(NULL, tmp);
}
@ -2373,6 +2376,19 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
return 0;
}
/**
* amdgpu_vm_bo_lookup_mapping - find mapping by address
*
* @vm: the requested VM
*
* Find a mapping by it's address.
*/
struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm,
uint64_t addr)
{
return amdgpu_vm_it_iter_first(&vm->va, addr, addr);
}
/**
* amdgpu_vm_bo_rmv - remove a bo to a specific vm
*
@ -2398,6 +2414,7 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
list_for_each_entry_safe(mapping, next, &bo_va->valids, list) {
list_del(&mapping->list);
amdgpu_vm_it_remove(mapping, &vm->va);
mapping->bo_va = NULL;
trace_amdgpu_vm_bo_unmap(bo_va, mapping);
list_add(&mapping->list, &vm->freed);
}

2
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
View File

@ -276,6 +276,8 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
struct amdgpu_vm *vm,
uint64_t saddr, uint64_t size);
struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm,
uint64_t addr);
void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
struct amdgpu_bo_va *bo_va);
void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev,