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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dma.h')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dma.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h
index dabfd655f93..da6e16dafa4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.h
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.h
@@ -31,6 +31,9 @@
#define NOUVEAU_DMA_DEBUG 0
#endif
+void nv50_dma_push(struct nouveau_channel *, struct nouveau_bo *,
+ int delta, int dwords);
+
/*
* There's a hw race condition where you can't jump to your PUT offset,
* to avoid this we jump to offset + SKIPS and fill the difference with
@@ -96,13 +99,11 @@ enum {
static __must_check inline int
RING_SPACE(struct nouveau_channel *chan, int size)
{
- if (chan->dma.free < size) {
- int ret;
+ int ret;
- ret = nouveau_dma_wait(chan, size);
- if (ret)
- return ret;
- }
+ ret = nouveau_dma_wait(chan, 1, size);
+ if (ret)
+ return ret;
chan->dma.free -= size;
return 0;
@@ -146,7 +147,13 @@ FIRE_RING(struct nouveau_channel *chan)
return;
chan->accel_done = true;
- WRITE_PUT(chan->dma.cur);
+ if (chan->dma.ib_max) {
+ nv50_dma_push(chan, chan->pushbuf_bo, chan->dma.put << 2,
+ chan->dma.cur - chan->dma.put);
+ } else {
+ WRITE_PUT(chan->dma.cur);
+ }
+
chan->dma.put = chan->dma.cur;
}