diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-01-21 13:53:21 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-01-25 11:04:44 +1000 |
| commit | 51f73d64b46cb765cd5bee3b8d9f5980c44c6446 (patch) | |
| tree | 9a48557e7ce719a3fb3d651d2939ad9919d3bae4 | |
| parent | 0f1cb203b46f8f836afdd2198060ff6169aa7272 (diff) | |
drm/nvc0: implement irq handler for whatever's at 0x14xxxx
This is just barely enough to stop a never-ending IRQ storm that can
be triggered by our 3D driver. We have no idea what this engine is..
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_graph.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c index df393f01bf0..eb18a7e89f5 100644 --- a/drivers/gpu/drm/nouveau/nvc0_graph.c +++ b/drivers/gpu/drm/nouveau/nvc0_graph.c @@ -31,6 +31,7 @@ #include "nvc0_graph.h" static void nvc0_graph_isr(struct drm_device *); +static void nvc0_runk140_isr(struct drm_device *); static int nvc0_graph_unload_context_to(struct drm_device *dev, u64 chan); void @@ -281,6 +282,7 @@ nvc0_graph_destroy(struct drm_device *dev) return; nouveau_irq_unregister(dev, 12); + nouveau_irq_unregister(dev, 25); nouveau_gpuobj_ref(NULL, &priv->unk4188b8); nouveau_gpuobj_ref(NULL, &priv->unk4188b4); @@ -390,6 +392,7 @@ nvc0_graph_create(struct drm_device *dev) } nouveau_irq_register(dev, 12, nvc0_graph_isr); + nouveau_irq_register(dev, 25, nvc0_runk140_isr); NVOBJ_CLASS(dev, 0x902d, GR); /* 2D */ NVOBJ_CLASS(dev, 0x9039, GR); /* M2MF */ NVOBJ_CLASS(dev, 0x9097, GR); /* 3D */ @@ -777,3 +780,19 @@ nvc0_graph_isr(struct drm_device *dev) nv_wr32(dev, 0x400500, 0x00010001); } + +static void +nvc0_runk140_isr(struct drm_device *dev) +{ + u32 units = nv_rd32(dev, 0x00017c) & 0x1f; + + while (units) { + u32 unit = ffs(units) - 1; + u32 reg = 0x140000 + unit * 0x2000; + u32 st0 = nv_mask(dev, reg + 0x1020, 0, 0); + u32 st1 = nv_mask(dev, reg + 0x1420, 0, 0); + + NV_INFO(dev, "PRUNK140: %d 0x%08x 0x%08x\n", unit, st0, st1); + units &= ~(1 << unit); + } +} |