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drm/nvc0/pfifo: semi-handle a couple more irqs 

And also, don't disable PFIFO IRQs completely whenever we recieve one,
just when we don't know about it already.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-01-28 13:42:16 +10:00
parent c3b90a7d4c
commit cc8cd6479c
1 changed files with 13 additions and 2 deletions
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15
drivers/gpu/drm/nouveau/nvc0_fifo.c
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@ -418,6 +418,12 @@ nvc0_fifo_isr(struct drm_device *dev)
{
u32 stat = nv_rd32(dev, 0x002100);
if (stat & 0x00000100) {
NV_INFO(dev, "PFIFO: unknown status 0x00000100\n");
nv_wr32(dev, 0x002100, 0x00000100);
stat &= ~0x00000100;
}
if (stat & 0x10000000) {
u32 units = nv_rd32(dev, 0x00259c);
u32 u = units;
@ -446,10 +452,15 @@ nvc0_fifo_isr(struct drm_device *dev)
stat &= ~0x20000000;
}
if (stat & 0x40000000) {
NV_INFO(dev, "PFIFO: unknown status 0x40000000\n");
nv_mask(dev, 0x002a00, 0x00000000, 0x00000000);
stat &= ~0x40000000;
}
if (stat) {
NV_INFO(dev, "PFIFO: unhandled status 0x%08x\n", stat);
nv_wr32(dev, 0x002100, stat);
nv_wr32(dev, 0x002140, 0);
}
nv_wr32(dev, 0x2140, 0);
}