drm/nv50: report BAR access faults
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index 316e058..a818306 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -228,6 +228,14 @@
nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1);
}
+ if (dev_priv->card_type == NV_50) {
+ if (status & 0x00000010) {
+ nv50_fb_vm_trap(dev, 1, "PFIFO_BAR_FAULT");
+ status &= ~0x00000010;
+ nv_wr32(dev, 0x002100, 0x00000010);
+ }
+ }
+
if (status) {
NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n",
status, chid);