drm/nvc0/fifo: sched intr

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
index 3150536b8f75881d1fd235575d0b970086486566..4307dda086ca951dcbe7a0de1d49ba057a352a5e 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
@@ -371,6 +371,27 @@ out:
        return ret;
 }
 
+static const struct nouveau_enum
+nvc0_fifo_sched_reason[] = {
+       { 0x0a, "CTXSW_TIMEOUT" },
+       {}
+};
+
+static void
+nvc0_fifo_intr_sched(struct nvc0_fifo_priv *priv)
+{
+       u32 intr = nv_rd32(priv, 0x00254c);
+       u32 code = intr & 0x000000ff;
+       const struct nouveau_enum *en;
+       char enunk[6] = "";
+
+       en = nouveau_enum_find(nvc0_fifo_sched_reason, code);
+       if (!en)
+               snprintf(enunk, sizeof(enunk), "UNK%02x", code);
+
+       nv_error(priv, "SCHED_ERROR [ %s ]\n", en ? en->name : enunk);
+}
+
 static const struct nouveau_enum
 nvc0_fifo_fault_engine[] = {
        { 0x00, "PGRAPH", NULL, NVDEV_ENGINE_GR },
@@ -603,8 +624,7 @@ nvc0_fifo_intr(struct nouveau_subdev *subdev)
        }
 
        if (stat & 0x00000100) {
-               u32 intr = nv_rd32(priv, 0x00254c);
-               nv_warn(priv, "INTR 0x00000100: 0x%08x\n", intr);
+               nvc0_fifo_intr_sched(priv);
                nv_wr32(priv, 0x002100, 0x00000100);
                stat &= ~0x00000100;
        }