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drm/amdgpu: put VM page tables directly into duplicates list 

They share the reservation object with the page directory anyway.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
This commit is contained in:
Christian König 2015-12-11 14:39:05 +01:00 committed by Alex Deucher
parent 5b0112356c
commit 3c0eea6c35
4 changed files with 12 additions and 9 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -982,7 +982,8 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
struct amdgpu_vm *vm,
struct list_head *head);
struct list_head *validated,
struct list_head *duplicates);
int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
struct amdgpu_sync *sync);
void amdgpu_vm_flush(struct amdgpu_ring *ring,

4
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -386,13 +386,13 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p)
amdgpu_cs_buckets_get_list(&buckets, &p->validated);
}
INIT_LIST_HEAD(&duplicates);
p->vm_bos = amdgpu_vm_get_bos(p->adev, &fpriv->vm,
&p->validated);
&p->validated, &duplicates);
if (need_mmap_lock)
down_read(&current->mm->mmap_sem);
INIT_LIST_HEAD(&duplicates);
r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true, &duplicates);
if (unlikely(r != 0))
goto error_reserve;

2
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
View File

@ -460,7 +460,7 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev,
tv.shared = true;
list_add(&tv.head, &list);
vm_bos = amdgpu_vm_get_bos(adev, bo_va->vm, &list);
vm_bos = amdgpu_vm_get_bos(adev, bo_va->vm, &list, &duplicates);
if (!vm_bos)
return;

12
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -78,14 +78,16 @@ static unsigned amdgpu_vm_directory_size(struct amdgpu_device *adev)
* amdgpu_vm_get_bos - add the vm BOs to a validation list
*
* @vm: vm providing the BOs
* @head: head of validation list
* @validated: head of validation list
* @duplicates: head of duplicates list
*
* Add the page directory to the list of BOs to
* validate for command submission (cayman+).
*/
struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
struct amdgpu_vm *vm,
struct list_head *head)
struct amdgpu_vm *vm,
struct list_head *validated,
struct list_head *duplicates)
{
struct amdgpu_bo_list_entry *list;
unsigned i, idx;
@ -103,7 +105,7 @@ struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
list[0].priority = 0;
list[0].tv.bo = &vm->page_directory->tbo;
list[0].tv.shared = true;
list_add(&list[0].tv.head, head);
list_add(&list[0].tv.head, validated);
for (i = 0, idx = 1; i <= vm->max_pde_used; i++) {
if (!vm->page_tables[i].bo)
@ -115,7 +117,7 @@ struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
list[idx].priority = 0;
list[idx].tv.bo = &list[idx].robj->tbo;
list[idx].tv.shared = true;
list_add(&list[idx++].tv.head, head);
list_add(&list[idx++].tv.head, duplicates);
}
return list;