drm/nouveau/gr/gf100: Clear notify interrupt
Notify interrupt is only used for cyclestats. We can just clear it and
avoid an "unknown stat" error that gets printed to dmesg otherwise.
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 9707870..86c9515 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -1103,6 +1103,15 @@
engctx = nvkm_engctx_get(engine, inst);
chid = pfifo->chid(pfifo, engctx);
+ if (stat & 0x00000001) {
+ /*
+ * notifier interrupt, only needed for cyclestats
+ * can be safely ignored
+ */
+ nv_wr32(priv, 0x400100, 0x00000001);
+ stat &= ~0x00000001;
+ }
+
if (stat & 0x00000010) {
handle = nvkm_handle_get_class(engctx, class);
if (!handle || nv_call(handle->object, mthd, data)) {