Commit 75c99da6 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: initialise DMA tracking parameters earlier


Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent dff36321
......@@ -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);
......
......@@ -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)
......
......@@ -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);
......
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