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| author | Ben Skeggs <bskeggs@redhat.com> | 2010-01-08 10:57:39 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-01-11 09:06:45 +1000 |
| commit | 75c99da6cdd0ec9d70747f9ced3e85b2dd955cdf (patch) | |
| tree | b101655b451d441ca84c9be92e020f761c1c977d /drivers/gpu | |
| parent | dff36321497b1130085820c81a44779b065c8d7e (diff) | |
| download | linux-75c99da6cdd0ec9d70747f9ced3e85b2dd955cdf.tar.gz linux-75c99da6cdd0ec9d70747f9ced3e85b2dd955cdf.tar.bz2 linux-75c99da6cdd0ec9d70747f9ced3e85b2dd955cdf.zip | |
drm/nouveau: initialise DMA tracking parameters earlier
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_channel.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dma.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 1 |
3 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index d1c7f8c911c7..343d718a9667 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -158,6 +158,8 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, return ret; } + nouveau_dma_pre_init(chan); + /* Locate channel's user control regs */ if (dev_priv->card_type < NV_40) user = NV03_USER(channel); diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index 3f7f78e03d42..7afbe8b40d51 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -29,6 +29,15 @@ #include "nouveau_drv.h" #include "nouveau_dma.h" +void +nouveau_dma_pre_init(struct nouveau_channel *chan) +{ + chan->dma.max = (chan->pushbuf_bo->bo.mem.size >> 2) - 2; + chan->dma.put = 0; + chan->dma.cur = chan->dma.put; + chan->dma.free = chan->dma.max - chan->dma.cur; +} + int nouveau_dma_init(struct nouveau_channel *chan) { @@ -74,12 +83,6 @@ nouveau_dma_init(struct nouveau_channel *chan) return ret; } - /* Initialise DMA vars */ - chan->dma.max = (chan->pushbuf_bo->bo.mem.size >> 2) - 2; - chan->dma.put = 0; - chan->dma.cur = chan->dma.put; - chan->dma.free = chan->dma.max - chan->dma.cur; - /* Insert NOPS for NOUVEAU_DMA_SKIPS */ ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS); if (ret) diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 4087a9a20ba9..026419fe8791 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -837,6 +837,7 @@ nouveau_debugfs_channel_fini(struct nouveau_channel *chan) #endif /* nouveau_dma.c */ +extern void nouveau_dma_pre_init(struct nouveau_channel *); extern int nouveau_dma_init(struct nouveau_channel *); extern int nouveau_dma_wait(struct nouveau_channel *, int size); |