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drm/nv10-nv20: Fix instability after MPLL changes. 

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Francisco Jerez 2010-10-25 02:13:21 +02:00 committed by Ben Skeggs
parent 56ac747535
commit 63d6fd3288
1 changed files with 9 additions and 0 deletions
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9
drivers/gpu/drm/nouveau/nv04_pm.c
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@ -76,6 +76,15 @@ nv04_pm_clock_set(struct drm_device *dev, void *pre_state)
reg += 4;
nouveau_hw_setpll(dev, reg, &state->calc);
if (dev_priv->card_type < NV_30 && reg == NV_PRAMDAC_MPLL_COEFF) {
if (dev_priv->card_type == NV_20)
nv_mask(dev, 0x1002c4, 0, 1 << 20);
/* Reset the DLLs */
nv_mask(dev, 0x1002c0, 0, 1 << 8);
}
kfree(state);
}