diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c
index 5da82db71dde..a43246ae681f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c
@@ -270,13 +270,19 @@ nvkm_pstate_prog(struct nvkm_clk *clk, int pstatei)
 	struct nvkm_fb *fb = subdev->device->fb;
 	struct nvkm_pci *pci = subdev->device->pci;
 	struct nvkm_pstate *pstate;
+	bool found = false;
 	int ret, idx = 0;
 
 	list_for_each_entry(pstate, &clk->states, head) {
-		if (idx++ == pstatei)
+		if (idx++ == pstatei) {
+			found = true;
 			break;
+		}
 	}
 
+	if (!found)
+		return -EINVAL;
+
 	nvkm_debug(subdev, "setting performance state %d\n", pstatei);
 	clk->pstate = pstatei;