diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
| commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
| tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /drivers/gpu/drm/nouveau/nouveau_dma.h | |
| parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
| parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) | |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dma.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dma.h | 21 |
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..8b05c15866d 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 length); + /* * 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) << 2); + } else { + WRITE_PUT(chan->dma.cur); + } + chan->dma.put = chan->dma.cur; } |