diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dma.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dma.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h index 035a709c7be1..1744d95b233e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.h +++ b/drivers/gpu/drm/nouveau/nouveau_dma.h @@ -31,7 +31,8 @@ #include "nouveau_chan.h" int nouveau_dma_wait(struct nouveau_channel *, int slots, int size); -void nv50_dma_push(struct nouveau_channel *, u64 addr, int length); +void nv50_dma_push(struct nouveau_channel *, u64 addr, u32 length, + bool no_prefetch); /* * There's a hw race condition where you can't jump to your PUT offset, @@ -45,6 +46,9 @@ void nv50_dma_push(struct nouveau_channel *, u64 addr, int length); */ #define NOUVEAU_DMA_SKIPS (128 / 4) +/* Maximum push buffer size. */ +#define NV50_DMA_PUSH_MAX_LENGTH 0x7fffff + /* Object handles - for stuff that's doesn't use handle == oclass. */ enum { NvDmaFB = 0x80000002, @@ -89,7 +93,7 @@ FIRE_RING(struct nouveau_channel *chan) if (chan->dma.ib_max) { nv50_dma_push(chan, chan->push.addr + (chan->dma.put << 2), - (chan->dma.cur - chan->dma.put) << 2); + (chan->dma.cur - chan->dma.put) << 2, false); } else { WRITE_PUT(chan->dma.cur); } |