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nouveau: Let the user choose the push buffer size. 

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
main
Francisco Jerez 2010-09-28 22:45:27 +02:00
parent 1b9187c43a
commit 09b1062628
4 changed files with 11 additions and 10 deletions
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5
nouveau/nouveau_channel.c
View File

@ -28,7 +28,8 @@
int
nouveau_channel_alloc(struct nouveau_device *dev, uint32_t fb_ctxdma,
uint32_t tt_ctxdma, struct nouveau_channel **chan)
uint32_t tt_ctxdma, int pushbuf_size,
struct nouveau_channel **chan)
{
struct nouveau_device_priv *nvdev = nouveau_device(dev);
struct nouveau_channel_priv *nvchan;
@ -90,7 +91,7 @@ nouveau_channel_alloc(struct nouveau_device *dev, uint32_t fb_ctxdma,
return ret;
}
ret = nouveau_pushbuf_init(&nvchan->base);
ret = nouveau_pushbuf_init(&nvchan->base, pushbuf_size);
if (ret) {
nouveau_channel_free((void *)&nvchan);
return ret;

2
nouveau/nouveau_channel.h
View File

@ -49,7 +49,7 @@ struct nouveau_channel {
int
nouveau_channel_alloc(struct nouveau_device *, uint32_t fb, uint32_t tt,
struct nouveau_channel **);
int pushbuf_size, struct nouveau_channel **);
void
nouveau_channel_free(struct nouveau_channel **);

6
nouveau/nouveau_private.h
View File

@ -37,8 +37,8 @@
#include "nouveau_pushbuf.h"
#include "nouveau_reloc.h"
#define CALPB_BUFFERS 4
#define CALPB_BUFSZ 16384
#define CALPB_BUFFERS 3
struct nouveau_pushbuf_priv {
uint32_t cal_suffix0;
uint32_t cal_suffix1;
@ -64,7 +64,7 @@ struct nouveau_pushbuf_priv {
#define nouveau_pushbuf(n) ((struct nouveau_pushbuf_priv *)(n))
int
nouveau_pushbuf_init(struct nouveau_channel *);
nouveau_pushbuf_init(struct nouveau_channel *, int buf_size);
void
nouveau_pushbuf_fini(struct nouveau_channel *);

8
nouveau/nouveau_pushbuf.c
View File

@ -78,7 +78,7 @@ nouveau_pushbuf_fini_call(struct nouveau_channel *chan)
}
static int
nouveau_pushbuf_init_call(struct nouveau_channel *chan)
nouveau_pushbuf_init_call(struct nouveau_channel *chan, int buf_size)
{
struct drm_nouveau_gem_pushbuf req;
struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
@ -101,7 +101,7 @@ nouveau_pushbuf_init_call(struct nouveau_channel *chan)
for (i = 0; i < CALPB_BUFFERS; i++) {
ret = nouveau_bo_new(dev, flags | NOUVEAU_BO_MAP,
0, CALPB_BUFSZ, &nvpb->buffer[i]);
0, buf_size, &nvpb->buffer[i]);
if (ret) {
nouveau_pushbuf_fini_call(chan);
return ret;
@ -114,13 +114,13 @@ nouveau_pushbuf_init_call(struct nouveau_channel *chan)
}
int
nouveau_pushbuf_init(struct nouveau_channel *chan)
nouveau_pushbuf_init(struct nouveau_channel *chan, int buf_size)
{
struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
struct nouveau_pushbuf_priv *nvpb = &nvchan->pb;
int ret;
ret = nouveau_pushbuf_init_call(chan);
ret = nouveau_pushbuf_init_call(chan, buf_size);
if (ret)
return ret;