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authorBen Skeggs2010-01-08 10:57:39 +1000
committerDave Airlie2010-01-11 14:41:18 +1000
commitc63834e1db41b59d6c7bfb1d2a549c027a42a877 (patch)
treedaa0c39043527695dc4c87e1eb4c66acfe50d5db
parent400f14ac4ef02b2f77c9d0e3ad7d66e2f6c8e663 (diff)
drm/nouveau: initialise DMA tracking parameters earlier
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_channel.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dma.c15
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.h1
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);