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>
diff --git a/drivers/gpu/drm/nouveau/nvc0_fifo.c b/drivers/gpu/drm/nouveau/nvc0_fifo.c
index e6f92c54..e9f8643 100644
--- a/drivers/gpu/drm/nouveau/nvc0_fifo.c
+++ b/drivers/gpu/drm/nouveau/nvc0_fifo.c
@@ -418,6 +418,12 @@
{
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 @@
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);
}