forked from luck/tmp_suning_uos_patched
drm/nv10-nv20: Fix instability after MPLL changes.
Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -76,6 +76,15 @@ nv04_pm_clock_set(struct drm_device *dev, void *pre_state)
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reg += 4;
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nouveau_hw_setpll(dev, reg, &state->calc);
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if (dev_priv->card_type < NV_30 && reg == NV_PRAMDAC_MPLL_COEFF) {
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if (dev_priv->card_type == NV_20)
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nv_mask(dev, 0x1002c4, 0, 1 << 20);
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/* Reset the DLLs */
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nv_mask(dev, 0x1002c0, 0, 1 << 8);
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}
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kfree(state);
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}
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