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author | Ben Skeggs <bskeggs@redhat.com> | 2014-02-22 00:18:17 +1000 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2014-03-26 14:00:41 +1000 |
commit | e99bf010da952646c0e3e1aa19415c46e7dc59ca (patch) | |
tree | 999e96b74ef42d2f76eebf2644f2ee57bc43f2da /drivers | |
parent | 22a7a27b18470db9435d5ac7fb1de42bde52061f (diff) | |
download | op-kernel-dev-e99bf010da952646c0e3e1aa19415c46e7dc59ca.zip op-kernel-dev-e99bf010da952646c0e3e1aa19415c46e7dc59ca.tar.gz |
drm/nvc0/fifo: engine intr
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c index 5472f01..1b1e6b3 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c @@ -244,23 +244,20 @@ nvc0_fifo_chan_init(struct nouveau_object *object) return 0; } +static void nvc0_fifo_intr_engine(struct nvc0_fifo_priv *priv); + static int nvc0_fifo_chan_fini(struct nouveau_object *object, bool suspend) { struct nvc0_fifo_priv *priv = (void *)object->engine; struct nvc0_fifo_chan *chan = (void *)object; u32 chid = chan->base.chid; - u32 mask, engine; nv_mask(priv, 0x003004 + (chid * 8), 0x00000001, 0x00000000); nvc0_fifo_runlist_update(priv); - mask = nv_rd32(priv, 0x0025a4); - for (engine = 0; mask && engine < 16; engine++) { - if (!(mask & (1 << engine))) - continue; - nv_mask(priv, 0x0025a8 + (engine * 4), 0x00000000, 0x00000000); - mask &= ~(1 << engine); - } + + nvc0_fifo_intr_engine(priv); + nv_wr32(priv, 0x003000 + (chid * 8), 0x00000000); return nouveau_fifo_channel_fini(&chan->base, suspend); @@ -516,6 +513,39 @@ nvc0_fifo_isr_pbdma_intr(struct nvc0_fifo_priv *priv, int unit) } static void +nvc0_fifo_intr_engine_unit(struct nvc0_fifo_priv *priv, int engn) +{ + u32 intr = nv_rd32(priv, 0x0025a8 + (engn * 0x04)); + u32 inte = nv_rd32(priv, 0x002628); + u32 unkn; + + for (unkn = 0; unkn < 8; unkn++) { + u32 ints = (intr >> (unkn * 0x04)) & inte; + if (ints & 0x1) { + nouveau_event_trigger(priv->base.uevent, 0); + ints &= ~1; + } + if (ints) { + nv_error(priv, "ENGINE %d %d %01x", engn, unkn, ints); + nv_mask(priv, 0x002628, ints, 0); + } + } + + nv_wr32(priv, 0x0025a8 + (engn * 0x04), intr); +} + +static void +nvc0_fifo_intr_engine(struct nvc0_fifo_priv *priv) +{ + u32 mask = nv_rd32(priv, 0x0025a4); + while (mask) { + u32 unit = __ffs(mask); + nvc0_fifo_intr_engine_unit(priv, unit); + mask &= ~(1 << unit); + } +} + +static void nvc0_fifo_intr(struct nouveau_subdev *subdev) { struct nvc0_fifo_priv *priv = (void *)subdev; @@ -587,9 +617,7 @@ nvc0_fifo_intr(struct nouveau_subdev *subdev) } if (stat & 0x80000000) { - u32 intr = nv_mask(priv, 0x0025a8, 0x00000000, 0x00000000); - nouveau_event_trigger(priv->base.uevent, 0); - nv_debug(priv, "INTR 0x80000000: 0x%08x\n", intr); + nvc0_fifo_intr_engine(priv); stat &= ~0x80000000; } @@ -710,7 +738,7 @@ nvc0_fifo_init(struct nouveau_object *object) nv_wr32(priv, 0x002a00, 0xffffffff); /* clears PFIFO.INTR bit 30 */ nv_wr32(priv, 0x002100, 0xffffffff); nv_wr32(priv, 0x002140, 0x3fffffff); - nv_wr32(priv, 0x002628, 0x00000001); /* makes mthd 0x20 work */ + nv_wr32(priv, 0x002628, 0x00000001); /* ENGINE_INTR_EN */ return 0; } |