diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2013-01-31 08:57:33 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-02-20 10:00:48 +0400 |
| commit | e18c080fb8695d038f69c26c248f5ecbd9e8aa77 (patch) | |
| tree | 74e191678bb9ba028d85e219863ddb706f4e6fc8 /drivers/gpu/drm/nouveau/nvc0_fence.c | |
| parent | a2fa297378c54e9b8b8ad355e34c9fbed730250b (diff) | |
| download | linux-e18c080fb8695d038f69c26c248f5ecbd9e8aa77.tar.xz | |
drm/nouveau/fence/nv84-: put processes to sleep while waiting on fences
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_fence.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_fence.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_fence.c b/drivers/gpu/drm/nouveau/nvc0_fence.c index 2a56b1b551cb..d8ed2c5f4fab 100644 --- a/drivers/gpu/drm/nouveau/nvc0_fence.c +++ b/drivers/gpu/drm/nouveau/nvc0_fence.c @@ -62,13 +62,14 @@ nvc0_fence_emit(struct nouveau_fence *fence) u64 addr = fctx->vma.offset + fifo->chid * 16; int ret; - ret = RING_SPACE(chan, 5); + ret = RING_SPACE(chan, 6); if (ret == 0) { - BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); + BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 5); OUT_RING (chan, upper_32_bits(addr)); OUT_RING (chan, lower_32_bits(addr)); OUT_RING (chan, fence->sequence); OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG); + OUT_RING (chan, 0x00000000); FIRE_RING (chan); } @@ -217,6 +218,9 @@ nvc0_fence_create(struct nouveau_drm *drm) priv->base.sync = nvc0_fence_sync; priv->base.read = nvc0_fence_read; + init_waitqueue_head(&priv->base.waiting); + priv->base.uevent = true; + ret = nouveau_bo_new(drm->dev, 16 * (pfifo->max + 1), 0, TTM_PL_FLAG_VRAM, 0, 0, NULL, &priv->bo); if (ret == 0) { |