drm/nouveau: allow static performance level setting

Guarded by a module parameter for the moment, read the code for the
magic value which enables it.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nv04_pm.c b/drivers/gpu/drm/nouveau/nv04_pm.c
index 35c200eb476c..15e4b9029df8 100644
--- a/drivers/gpu/drm/nouveau/nv04_pm.c
+++ b/drivers/gpu/drm/nouveau/nv04_pm.c
@@ -50,7 +50,7 @@ nv04_pm_clock_pre(struct drm_device *dev, u32 id, int khz)
         ret = get_pll_limits(dev, id, &state->pll);
         if (ret) {
                 kfree(state);
-                return ERR_PTR(ret);
+                return (ret == -ENOENT) ? NULL : ERR_PTR(ret);
         }
 
         ret = nouveau_calc_pll_mnp(dev, &state->pll, khz, &state->calc);