From: Martin Peres <martin.peres@ensi-bourges.fr>
Date: Sun, 3 Jul 2011 23:41:34 +0000 (+1000)
Subject: drm/nv04/pm: recalibrate timer on nvclk changes
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f3f2f54e11ff6f3f39a108bfcf7e074b282e3a50;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

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>
---

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);
 }