drm/nv04/pm: recalibrate timer on nvclk changes

Signed-off-by: Martin Peres <martin.peres@ensi-bourges.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nv04_pm.c b/drivers/gpu/drm/nouveau/nv04_pm.c
index eb1c70dd82ed..9ae92a87b8cc 100644
--- a/drivers/gpu/drm/nouveau/nv04_pm.c
+++ b/drivers/gpu/drm/nouveau/nv04_pm.c
@@ -68,6 +68,7 @@ void
 nv04_pm_clock_set(struct drm_device *dev, void *pre_state)
 {
         struct drm_nouveau_private *dev_priv = dev->dev_private;
+        struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
         struct nv04_pm_state *state = pre_state;
         u32 reg = state->pll.reg;
 
@@ -85,6 +86,9 @@ nv04_pm_clock_set(struct drm_device *dev, void *pre_state)
                 nv_mask(dev, 0x1002c0, 0, 1 << 8);
         }
 
+        if (reg == NV_PRAMDAC_NVPLL_COEFF)
+                ptimer->init(dev);
+
         kfree(state);
 }