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nexedi
linux
Commits
25fd061c
Commit
25fd061c
authored
Jan 15, 2020
by
Ben Skeggs
Browse files
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Plain Diff
drm/nouveau/flcn/cmdq: rename cmdq-related nvkm_msqqueue_queue to nvkm_falcon_cmdq
Signed-off-by:
Ben Skeggs
<
bskeggs@redhat.com
>
parent
14974525
Changes
2
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Showing
2 changed files
with
38 additions
and
41 deletions
+38
-41
drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
+1
-0
drivers/gpu/drm/nouveau/nvkm/falcon/cmdq.c
drivers/gpu/drm/nouveau/nvkm/falcon/cmdq.c
+37
-41
No files found.
drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
View file @
25fd061c
...
...
@@ -46,6 +46,7 @@ struct nv_falcon_msg {
};
#define nv_falcon_cmd nv_falcon_msg
#define NV_FALCON_CMD_UNIT_ID_REWIND 0x00
struct
nvkm_falcon_qmgr
;
int
nvkm_falcon_qmgr_new
(
struct
nvkm_falcon
*
,
struct
nvkm_falcon_qmgr
**
);
...
...
drivers/gpu/drm/nouveau/nvkm/falcon/cmdq.c
View file @
25fd061c
...
...
@@ -23,21 +23,21 @@
#include "qmgr.h"
static
bool
cmd_queue_has_room
(
struct
nvkm_msgqueue_queue
*
queue
,
u32
size
,
bool
*
rewind
)
nvkm_falcon_cmdq_has_room
(
struct
nvkm_falcon_cmdq
*
cmdq
,
u32
size
,
bool
*
rewind
)
{
u32
head
=
nvkm_falcon_rd32
(
queue
->
qmgr
->
falcon
,
queue
->
head_reg
);
u32
tail
=
nvkm_falcon_rd32
(
queue
->
qmgr
->
falcon
,
queue
->
tail_reg
);
u32
head
=
nvkm_falcon_rd32
(
cmdq
->
qmgr
->
falcon
,
cmdq
->
head_reg
);
u32
tail
=
nvkm_falcon_rd32
(
cmdq
->
qmgr
->
falcon
,
cmdq
->
tail_reg
);
u32
free
;
size
=
ALIGN
(
size
,
QUEUE_ALIGNMENT
);
if
(
head
>=
tail
)
{
free
=
queue
->
offset
+
queue
->
size
-
head
;
free
=
cmdq
->
offset
+
cmdq
->
size
-
head
;
free
-=
HDR_SIZE
;
if
(
size
>
free
)
{
*
rewind
=
true
;
head
=
queue
->
offset
;
head
=
cmdq
->
offset
;
}
}
...
...
@@ -48,73 +48,70 @@ cmd_queue_has_room(struct nvkm_msgqueue_queue *queue, u32 size, bool *rewind)
}
static
void
cmd_queue_push
(
struct
nvkm_msgqueue_queue
*
queue
,
void
*
data
,
u32
size
)
nvkm_falcon_cmdq_push
(
struct
nvkm_falcon_cmdq
*
cmdq
,
void
*
data
,
u32
size
)
{
struct
nvkm_falcon
*
falcon
=
queue
->
qmgr
->
falcon
;
nvkm_falcon_load_dmem
(
falcon
,
data
,
queue
->
position
,
size
,
0
);
queue
->
position
+=
ALIGN
(
size
,
QUEUE_ALIGNMENT
);
struct
nvkm_falcon
*
falcon
=
cmdq
->
qmgr
->
falcon
;
nvkm_falcon_load_dmem
(
falcon
,
data
,
cmdq
->
position
,
size
,
0
);
cmdq
->
position
+=
ALIGN
(
size
,
QUEUE_ALIGNMENT
);
}
/* REWIND unit is always 0x00 */
#define MSGQUEUE_UNIT_REWIND 0x00
static
void
cmd_queue_rewind
(
struct
nvkm_msgqueue_queue
*
queue
)
nvkm_falcon_cmdq_rewind
(
struct
nvkm_falcon_cmdq
*
cmdq
)
{
struct
nv_falcon_cmd
cmd
;
cmd
.
unit_id
=
MSGQUEUE_UNIT
_REWIND
;
cmd
.
unit_id
=
NV_FALCON_CMD_UNIT_ID
_REWIND
;
cmd
.
size
=
sizeof
(
cmd
);
cmd_queue_push
(
queue
,
&
cmd
,
cmd
.
size
);
nvkm_falcon_cmdq_push
(
cmdq
,
&
cmd
,
cmd
.
size
);
queue
->
position
=
queue
->
offset
;
cmdq
->
position
=
cmdq
->
offset
;
}
static
int
cmd_queue_open
(
struct
nvkm_msgqueue_queue
*
queue
,
u32
size
)
nvkm_falcon_cmdq_open
(
struct
nvkm_falcon_cmdq
*
cmdq
,
u32
size
)
{
struct
nvkm_falcon
*
falcon
=
queue
->
qmgr
->
falcon
;
struct
nvkm_falcon
*
falcon
=
cmdq
->
qmgr
->
falcon
;
bool
rewind
=
false
;
mutex_lock
(
&
queue
->
mutex
);
mutex_lock
(
&
cmdq
->
mutex
);
if
(
!
cmd_queue_has_room
(
queue
,
size
,
&
rewind
))
{
FLCNQ_DBG
(
queue
,
"queue full"
);
mutex_unlock
(
&
queue
->
mutex
);
if
(
!
nvkm_falcon_cmdq_has_room
(
cmdq
,
size
,
&
rewind
))
{
FLCNQ_DBG
(
cmdq
,
"queue full"
);
mutex_unlock
(
&
cmdq
->
mutex
);
return
-
EAGAIN
;
}
queue
->
position
=
nvkm_falcon_rd32
(
falcon
,
queue
->
head_reg
);
cmdq
->
position
=
nvkm_falcon_rd32
(
falcon
,
cmdq
->
head_reg
);
if
(
rewind
)
cmd_queue_rewind
(
queue
);
nvkm_falcon_cmdq_rewind
(
cmdq
);
return
0
;
}
static
void
cmd_queue_close
(
struct
nvkm_msgqueue_queue
*
queue
)
nvkm_falcon_cmdq_close
(
struct
nvkm_falcon_cmdq
*
cmdq
)
{
nvkm_falcon_wr32
(
queue
->
qmgr
->
falcon
,
queue
->
head_reg
,
queue
->
position
);
mutex_unlock
(
&
queue
->
mutex
);
nvkm_falcon_wr32
(
cmdq
->
qmgr
->
falcon
,
cmdq
->
head_reg
,
cmdq
->
position
);
mutex_unlock
(
&
cmdq
->
mutex
);
}
static
int
cmd_write
(
struct
nvkm_msgqueue_queue
*
queue
,
struct
nv_falcon_cmd
*
cmd
)
nvkm_falcon_cmdq_write
(
struct
nvkm_falcon_cmdq
*
cmdq
,
struct
nv_falcon_cmd
*
cmd
)
{
static
unsigned
timeout
=
2000
;
unsigned
long
end_jiffies
=
jiffies
+
msecs_to_jiffies
(
timeout
);
int
ret
=
-
EAGAIN
;
while
(
ret
==
-
EAGAIN
&&
time_before
(
jiffies
,
end_jiffies
))
ret
=
cmd_queue_open
(
queue
,
cmd
->
size
);
ret
=
nvkm_falcon_cmdq_open
(
cmdq
,
cmd
->
size
);
if
(
ret
)
{
FLCNQ_ERR
(
queue
,
"timeout waiting for queue space"
);
FLCNQ_ERR
(
cmdq
,
"timeout waiting for queue space"
);
return
ret
;
}
cmd_queue_push
(
queue
,
cmd
,
cmd
->
size
);
cmd_queue_close
(
queue
);
nvkm_falcon_cmdq_push
(
cmdq
,
cmd
,
cmd
->
size
);
nvkm_falcon_cmdq_close
(
cmdq
);
return
ret
;
}
...
...
@@ -124,21 +121,20 @@ cmd_write(struct nvkm_msgqueue_queue *queue, struct nv_falcon_cmd *cmd)
#define CMD_FLAGS_INTR BIT(1)
int
nvkm_falcon_cmdq_send
(
struct
nvkm_falcon_cmdq
*
queue
,
struct
nv_falcon_cmd
*
cmd
,
nvkm_falcon_cmdq_send
(
struct
nvkm_falcon_cmdq
*
cmdq
,
struct
nv_falcon_cmd
*
cmd
,
nvkm_falcon_qmgr_callback
cb
,
void
*
priv
,
unsigned
long
timeout
)
{
struct
nvkm_falcon_qmgr_seq
*
seq
;
int
ret
;
if
(
!
wait_for_completion_timeout
(
&
queue
->
ready
,
if
(
!
wait_for_completion_timeout
(
&
cmdq
->
ready
,
msecs_to_jiffies
(
1000
)))
{
FLCNQ_ERR
(
queue
,
"timeout waiting for queue ready"
);
FLCNQ_ERR
(
cmdq
,
"timeout waiting for queue ready"
);
return
-
ETIMEDOUT
;
}
seq
=
nvkm_falcon_qmgr_seq_acquire
(
queue
->
qmgr
);
seq
=
nvkm_falcon_qmgr_seq_acquire
(
cmdq
->
qmgr
);
if
(
IS_ERR
(
seq
))
return
PTR_ERR
(
seq
);
...
...
@@ -150,20 +146,20 @@ nvkm_falcon_cmdq_send(struct nvkm_falcon_cmdq *queue,
seq
->
callback
=
cb
;
seq
->
priv
=
priv
;
ret
=
cmd_write
(
queue
,
cmd
);
ret
=
nvkm_falcon_cmdq_write
(
cmdq
,
cmd
);
if
(
ret
)
{
seq
->
state
=
SEQ_STATE_PENDING
;
nvkm_falcon_qmgr_seq_release
(
queue
->
qmgr
,
seq
);
nvkm_falcon_qmgr_seq_release
(
cmdq
->
qmgr
,
seq
);
return
ret
;
}
if
(
!
seq
->
async
)
{
if
(
!
wait_for_completion_timeout
(
&
seq
->
done
,
timeout
))
{
FLCNQ_ERR
(
queue
,
"timeout waiting for reply"
);
FLCNQ_ERR
(
cmdq
,
"timeout waiting for reply"
);
return
-
ETIMEDOUT
;
}
ret
=
seq
->
result
;
nvkm_falcon_qmgr_seq_release
(
queue
->
qmgr
,
seq
);
nvkm_falcon_qmgr_seq_release
(
cmdq
->
qmgr
,
seq
);
}
return
ret
;
...
...
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