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Kirill Smelkov
linux
Commits
d02836b4
Commit
d02836b4
authored
Jun 07, 2011
by
Ben Skeggs
Browse files
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Plain Diff
drm/nv84-nvc0: explicitly map semaphore buffer into channel vm
Signed-off-by:
Ben Skeggs
<
bskeggs@redhat.com
>
parent
ce163f69
Changes
2
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2 changed files
with
14 additions
and
16 deletions
+14
-16
drivers/gpu/drm/nouveau/nouveau_drv.h
drivers/gpu/drm/nouveau/nouveau_drv.h
+1
-0
drivers/gpu/drm/nouveau/nouveau_fence.c
drivers/gpu/drm/nouveau/nouveau_fence.c
+13
-16
No files found.
drivers/gpu/drm/nouveau/nouveau_drv.h
View file @
d02836b4
...
...
@@ -240,6 +240,7 @@ struct nouveau_channel {
uint32_t
sequence
;
uint32_t
sequence_ack
;
atomic_t
last_sequence_irq
;
struct
nouveau_vma
vma
;
}
fence
;
/* DMA push buffer */
...
...
drivers/gpu/drm/nouveau/nouveau_fence.c
View file @
d02836b4
...
...
@@ -336,6 +336,7 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema)
{
struct
drm_nouveau_private
*
dev_priv
=
chan
->
dev
->
dev_private
;
struct
nouveau_fence
*
fence
=
NULL
;
u64
offset
=
chan
->
fence
.
vma
.
offset
+
sema
->
mem
->
start
;
int
ret
;
if
(
dev_priv
->
chipset
<
0x84
)
{
...
...
@@ -345,13 +346,10 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema)
BEGIN_RING
(
chan
,
NvSubSw
,
NV_SW_DMA_SEMAPHORE
,
3
);
OUT_RING
(
chan
,
NvSema
);
OUT_RING
(
chan
,
sema
->
mem
->
star
t
);
OUT_RING
(
chan
,
offse
t
);
OUT_RING
(
chan
,
1
);
}
else
if
(
dev_priv
->
chipset
<
0xc0
)
{
struct
nouveau_vma
*
vma
=
&
dev_priv
->
fence
.
bo
->
vma
;
u64
offset
=
vma
->
offset
+
sema
->
mem
->
start
;
ret
=
RING_SPACE
(
chan
,
7
);
if
(
ret
)
return
ret
;
...
...
@@ -364,9 +362,6 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema)
OUT_RING
(
chan
,
1
);
OUT_RING
(
chan
,
1
);
/* ACQUIRE_EQ */
}
else
{
struct
nouveau_vma
*
vma
=
&
dev_priv
->
fence
.
bo
->
vma
;
u64
offset
=
vma
->
offset
+
sema
->
mem
->
start
;
ret
=
RING_SPACE
(
chan
,
5
);
if
(
ret
)
return
ret
;
...
...
@@ -394,6 +389,7 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema)
{
struct
drm_nouveau_private
*
dev_priv
=
chan
->
dev
->
dev_private
;
struct
nouveau_fence
*
fence
=
NULL
;
u64
offset
=
chan
->
fence
.
vma
.
offset
+
sema
->
mem
->
start
;
int
ret
;
if
(
dev_priv
->
chipset
<
0x84
)
{
...
...
@@ -403,14 +399,11 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema)
BEGIN_RING
(
chan
,
NvSubSw
,
NV_SW_DMA_SEMAPHORE
,
2
);
OUT_RING
(
chan
,
NvSema
);
OUT_RING
(
chan
,
sema
->
mem
->
star
t
);
OUT_RING
(
chan
,
offse
t
);
BEGIN_RING
(
chan
,
NvSubSw
,
NV_SW_SEMAPHORE_RELEASE
,
1
);
OUT_RING
(
chan
,
1
);
}
else
if
(
dev_priv
->
chipset
<
0xc0
)
{
struct
nouveau_vma
*
vma
=
&
dev_priv
->
fence
.
bo
->
vma
;
u64
offset
=
vma
->
offset
+
sema
->
mem
->
start
;
ret
=
RING_SPACE
(
chan
,
7
);
if
(
ret
)
return
ret
;
...
...
@@ -423,9 +416,6 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema)
OUT_RING
(
chan
,
1
);
OUT_RING
(
chan
,
2
);
/* RELEASE */
}
else
{
struct
nouveau_vma
*
vma
=
&
dev_priv
->
fence
.
bo
->
vma
;
u64
offset
=
vma
->
offset
+
sema
->
mem
->
start
;
ret
=
RING_SPACE
(
chan
,
5
);
if
(
ret
)
return
ret
;
...
...
@@ -540,6 +530,12 @@ nouveau_fence_channel_init(struct nouveau_channel *chan)
nouveau_gpuobj_ref
(
NULL
,
&
obj
);
if
(
ret
)
return
ret
;
}
else
{
/* map fence bo into channel's vm */
ret
=
nouveau_bo_vma_add
(
dev_priv
->
fence
.
bo
,
chan
->
vm
,
&
chan
->
fence
.
vma
);
if
(
ret
)
return
ret
;
}
INIT_LIST_HEAD
(
&
chan
->
fence
.
pending
);
...
...
@@ -551,10 +547,10 @@ nouveau_fence_channel_init(struct nouveau_channel *chan)
void
nouveau_fence_channel_fini
(
struct
nouveau_channel
*
chan
)
{
struct
drm_nouveau_private
*
dev_priv
=
chan
->
dev
->
dev_private
;
struct
nouveau_fence
*
tmp
,
*
fence
;
spin_lock
(
&
chan
->
fence
.
lock
);
list_for_each_entry_safe
(
fence
,
tmp
,
&
chan
->
fence
.
pending
,
entry
)
{
fence
->
signalled
=
true
;
list_del
(
&
fence
->
entry
);
...
...
@@ -564,8 +560,9 @@ nouveau_fence_channel_fini(struct nouveau_channel *chan)
kref_put
(
&
fence
->
refcount
,
nouveau_fence_del
);
}
spin_unlock
(
&
chan
->
fence
.
lock
);
nouveau_bo_vma_del
(
dev_priv
->
fence
.
bo
,
&
chan
->
fence
.
vma
);
}
int
...
...
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