diff options
| author | Kristian Høgsberg <krh@bitplanet.net> | 2009-02-13 20:56:52 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-02-20 12:21:13 +1000 |
| commit | 43565a0648e664744ac9201c199681451355edcc (patch) | |
| tree | c5d5680b90aaed10e4f27b4e60e0a61cbb7d2c0c /drivers/gpu/drm/i915/intel_bios.c | |
| parent | a29f5ca3d691995266a4b1df313e32ff0509a03c (diff) | |
drm: Use spread spectrum when the bios tells us it's ok.
Lifted from the DDX modesetting.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 4ca82a02552..65be30dccc7 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -135,6 +135,14 @@ parse_general_features(struct drm_i915_private *dev_priv, if (general) { dev_priv->int_tv_support = general->int_tv_support; dev_priv->int_crt_support = general->int_crt_support; + dev_priv->lvds_use_ssc = general->enable_ssc; + + if (dev_priv->lvds_use_ssc) { + if (IS_I855(dev_priv->dev)) + dev_priv->lvds_ssc_freq = general->ssc_freq ? 66 : 48; + else + dev_priv->lvds_ssc_freq = general->ssc_freq ? 100 : 96; + } } } |