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drm/nouveau: remove unused nouveau_channel_idle() function 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-01-04 12:53:01 +10:00 committed by Dave Airlie
parent 7de3643f93
commit e9dd8e11ed
2 changed files with 0 additions and 42 deletions
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41
drivers/gpu/drm/nouveau/nouveau_channel.c
View File

@ -235,47 +235,6 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
return 0;
}
int
nouveau_channel_idle(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
uint32_t caches;
int idle;
if (!chan) {
NV_ERROR(dev, "no channel...\n");
return 1;
}
caches = nv_rd32(dev, NV03_PFIFO_CACHES);
nv_wr32(dev, NV03_PFIFO_CACHES, caches & ~1);
if (engine->fifo.channel_id(dev) != chan->id) {
struct nouveau_gpuobj *ramfc =
chan->ramfc ? chan->ramfc->gpuobj : NULL;
if (!ramfc) {
NV_ERROR(dev, "No RAMFC for channel %d\n", chan->id);
return 1;
}
engine->instmem.prepare_access(dev, false);
if (nv_ro32(dev, ramfc, 0) != nv_ro32(dev, ramfc, 1))
idle = 0;
else
idle = 1;
engine->instmem.finish_access(dev);
} else {
idle = (nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET) ==
nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUT));
}
nv_wr32(dev, NV03_PFIFO_CACHES, caches);
return idle;
}
/* stops a fifo */
void
nouveau_channel_free(struct nouveau_channel *chan)

1
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -745,7 +745,6 @@ extern int nouveau_channel_alloc(struct drm_device *dev,
struct drm_file *file_priv,
uint32_t fb_ctxdma, uint32_t tt_ctxdma);
extern void nouveau_channel_free(struct nouveau_channel *);
extern int nouveau_channel_idle(struct nouveau_channel *chan);
/* nouveau_object.c */
extern int nouveau_gpuobj_early_init(struct drm_device *);