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Kirill Smelkov
linux
Commits
2fd3db6f
Commit
2fd3db6f
authored
Jun 07, 2011
by
Ben Skeggs
Browse files
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Plain Diff
drm/nouveau: remove implicit mapping of every bo into chan_vm
Signed-off-by:
Ben Skeggs
<
bskeggs@redhat.com
>
parent
7375c95b
Changes
4
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4 changed files
with
43 additions
and
11 deletions
+43
-11
drivers/gpu/drm/nouveau/nouveau_bo.c
drivers/gpu/drm/nouveau/nouveau_bo.c
+1
-9
drivers/gpu/drm/nouveau/nouveau_drv.h
drivers/gpu/drm/nouveau/nouveau_drv.h
+0
-1
drivers/gpu/drm/nouveau/nouveau_gem.c
drivers/gpu/drm/nouveau/nouveau_gem.c
+41
-1
drivers/gpu/drm/nouveau/nouveau_vm.h
drivers/gpu/drm/nouveau/nouveau_vm.h
+1
-0
No files found.
drivers/gpu/drm/nouveau/nouveau_bo.c
View file @
2fd3db6f
...
...
@@ -49,7 +49,6 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
DRM_ERROR
(
"bo %p still attached to GEM object
\n
"
,
bo
);
nv10_mem_put_tile_region
(
dev
,
nvbo
->
tile
,
NULL
);
nouveau_bo_vma_del
(
nvbo
,
&
nvbo
->
vma
);
kfree
(
nvbo
);
}
...
...
@@ -115,14 +114,6 @@ nouveau_bo_new(struct drm_device *dev, int size, int align,
nvbo
->
bo
.
mem
.
num_pages
=
size
>>
PAGE_SHIFT
;
nouveau_bo_placement_set
(
nvbo
,
flags
,
0
);
if
(
dev_priv
->
chan_vm
)
{
ret
=
nouveau_bo_vma_add
(
nvbo
,
dev_priv
->
chan_vm
,
&
nvbo
->
vma
);
if
(
ret
)
{
kfree
(
nvbo
);
return
ret
;
}
}
ret
=
ttm_bo_init
(
&
dev_priv
->
ttm
.
bdev
,
&
nvbo
->
bo
,
size
,
ttm_bo_type_device
,
&
nvbo
->
placement
,
align
>>
PAGE_SHIFT
,
0
,
false
,
NULL
,
size
,
...
...
@@ -1103,6 +1094,7 @@ nouveau_bo_vma_add(struct nouveau_bo *nvbo, struct nouveau_vm *vm,
nouveau_vm_map_sg
(
vma
,
0
,
size
,
node
,
node
->
pages
);
list_add_tail
(
&
vma
->
head
,
&
nvbo
->
vma_list
);
vma
->
refcount
=
1
;
return
0
;
}
...
...
drivers/gpu/drm/nouveau/nouveau_drv.h
View file @
2fd3db6f
...
...
@@ -115,7 +115,6 @@ struct nouveau_bo {
struct
nouveau_channel
*
channel
;
struct
nouveau_vma
vma
;
struct
list_head
vma_list
;
unsigned
page_shift
;
...
...
drivers/gpu/drm/nouveau/nouveau_gem.c
View file @
2fd3db6f
...
...
@@ -63,20 +63,60 @@ int
nouveau_gem_object_open
(
struct
drm_gem_object
*
gem
,
struct
drm_file
*
file_priv
)
{
struct
nouveau_fpriv
*
fpriv
=
nouveau_fpriv
(
file_priv
);
struct
nouveau_bo
*
nvbo
=
nouveau_gem_object
(
gem
);
struct
nouveau_vma
*
vma
;
int
ret
;
if
(
!
fpriv
->
vm
)
return
0
;
return
0
;
ret
=
ttm_bo_reserve
(
&
nvbo
->
bo
,
false
,
false
,
false
,
0
);
if
(
ret
)
return
ret
;
vma
=
nouveau_bo_vma_find
(
nvbo
,
fpriv
->
vm
);
if
(
!
vma
)
{
vma
=
kzalloc
(
sizeof
(
*
vma
),
GFP_KERNEL
);
if
(
!
vma
)
{
ret
=
-
ENOMEM
;
goto
out
;
}
ret
=
nouveau_bo_vma_add
(
nvbo
,
fpriv
->
vm
,
vma
);
if
(
ret
)
{
kfree
(
vma
);
goto
out
;
}
}
else
{
vma
->
refcount
++
;
}
out:
ttm_bo_unreserve
(
&
nvbo
->
bo
);
return
ret
;
}
void
nouveau_gem_object_close
(
struct
drm_gem_object
*
gem
,
struct
drm_file
*
file_priv
)
{
struct
nouveau_fpriv
*
fpriv
=
nouveau_fpriv
(
file_priv
);
struct
nouveau_bo
*
nvbo
=
nouveau_gem_object
(
gem
);
struct
nouveau_vma
*
vma
;
int
ret
;
if
(
!
fpriv
->
vm
)
return
;
ret
=
ttm_bo_reserve
(
&
nvbo
->
bo
,
false
,
false
,
false
,
0
);
if
(
ret
)
return
;
vma
=
nouveau_bo_vma_find
(
nvbo
,
fpriv
->
vm
);
if
(
vma
)
{
if
(
--
vma
->
refcount
==
0
)
nouveau_bo_vma_del
(
nvbo
,
vma
);
}
ttm_bo_unreserve
(
&
nvbo
->
bo
);
}
int
...
...
drivers/gpu/drm/nouveau/nouveau_vm.h
View file @
2fd3db6f
...
...
@@ -42,6 +42,7 @@ struct nouveau_vm_pgd {
struct
nouveau_vma
{
struct
list_head
head
;
int
refcount
;
struct
nouveau_vm
*
vm
;
struct
nouveau_mm_node
*
node
;
u64
offset
;
...
...
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