diff options
| author | Francisco Jerez <currojerez@riseup.net> | 2010-10-25 02:13:21 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-11-18 14:38:47 +1000 |
| commit | 63d6fd32889c46fa40cd1631fb2a0162187311ab (patch) | |
| tree | be0e4eb6821444537c0330f872b1cef0f5907de6 /drivers | |
| parent | 56ac7475350ee646f5f7316abcdf65d3be94da1c (diff) | |
drm/nv10-nv20: Fix instability after MPLL changes.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_pm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_pm.c b/drivers/gpu/drm/nouveau/nv04_pm.c index 6a6eb697d38e..eb1c70dd82ed 100644 --- a/drivers/gpu/drm/nouveau/nv04_pm.c +++ b/drivers/gpu/drm/nouveau/nv04_pm.c @@ -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); } |