diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c index b60df6b..51fa792 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c @@ -60,6 +60,7 @@ static const struct { struct nve0_fifo_engn { struct nouveau_gpuobj *runlist[2]; int cur_runlist; + wait_queue_head_t wait; }; struct nve0_fifo_priv { @@ -647,6 +648,18 @@ nve0_fifo_intr_pbdma(struct nve0_fifo_priv *priv, int unit) } static void +nve0_fifo_intr_runlist(struct nve0_fifo_priv *priv) +{ + u32 mask = nv_rd32(priv, 0x002a00); + while (mask) { + u32 engn = __ffs(mask); + wake_up(&priv->engine[engn].wait); + nv_wr32(priv, 0x002a00, 1 << engn); + mask &= ~(1 << engn); + } +} + +static void nve0_fifo_intr_engine(struct nve0_fifo_priv *priv) { nouveau_event_trigger(priv->base.uevent, 0); @@ -731,14 +744,7 @@ nve0_fifo_intr(struct nouveau_subdev *subdev) } if (stat & 0x40000000) { - u32 mask = nv_mask(priv, 0x002a00, 0x00000000, 0x00000000); - - while (mask) { - u32 engn = ffs(mask) - 1; - /* runlist event, not currently used */ - mask &= ~(1 << engn); - } - + nve0_fifo_intr_runlist(priv); stat &= ~0x40000000; } @@ -808,9 +814,8 @@ nve0_fifo_init(struct nouveau_object *object) nv_wr32(priv, 0x002254, 0x10000000 | priv->user.bar.offset >> 12); - nv_wr32(priv, 0x002a00, 0xffffffff); nv_wr32(priv, 0x002100, 0xffffffff); - nv_wr32(priv, 0x002140, 0x3fffffff); + nv_wr32(priv, 0x002140, 0x7fffffff); return 0; } @@ -856,6 +861,8 @@ nve0_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine, 0, &priv->engine[i].runlist[1]); if (ret) return ret; + + init_waitqueue_head(&priv->engine[i].wait); } ret = nouveau_gpuobj_new(nv_object(priv), NULL, impl->channels * 0x200, |
