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nv50: ack nsource to prevent continuous protection fault irqs

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This commit is contained in:
Ben Skeggs 2009-01-12 10:16:07 +10:00
parent badc63464c
commit ac8b3308b9
1 changed files with 22 additions and 2 deletions
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24
shared-core/nouveau_irq.c
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@ -442,9 +442,10 @@ static void
nv50_pgraph_irq_handler(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t status;
uint32_t status, nsource;
status = NV_READ(NV03_PGRAPH_INTR);
nsource = NV_READ(NV03_PGRAPH_NSOURCE);
if (status & 0x00000020) {
nouveau_pgraph_intr_error(dev,
@ -463,10 +464,29 @@ nv50_pgraph_irq_handler(struct drm_device *dev)
}
if (status & 0x00200000) {
nouveau_pgraph_intr_error(dev,
int r;
nouveau_pgraph_intr_error(dev, nsource |
NV03_PGRAPH_NSOURCE_PROTECTION_ERROR);
DRM_ERROR("magic set 1:\n");
for (r = 0x408900; r <= 0x408910; r += 4)
DRM_ERROR("\t0x%08x: 0x%08x\n", r, NV_READ(r));
NV_WRITE(0x408900, NV_READ(0x408904) | 0xc0000000);
for (r = 0x408e08; r <= 0x408e24; r += 4)
DRM_ERROR("\t0x%08x: 0x%08x\n", r, NV_READ(r));
NV_WRITE(0x408e08, NV_READ(0x408e08) | 0xc0000000);
DRM_ERROR("magic set 2:\n");
for (r = 0x409900; r <= 0x409910; r += 4)
DRM_ERROR("\t0x%08x: 0x%08x\n", r, NV_READ(r));
NV_WRITE(0x409900, NV_READ(0x409904) | 0xc0000000);
for (r = 0x409e08; r <= 0x409e24; r += 4)
DRM_ERROR("\t0x%08x: 0x%08x\n", r, NV_READ(r));
NV_WRITE(0x409e08, NV_READ(0x409e08) | 0xc0000000);
status &= ~0x00200000;
NV_WRITE(NV03_PGRAPH_NSOURCE, nsource);
NV_WRITE(NV03_PGRAPH_INTR, 0x00200000);
}