Re: [PATCH 9/9] drm/i915: Initialize PCH refclks at modeset init time

On Mon, 26 Sep 2011 23:11:46 -0700, Keith Packard keithp@keithp.com wrote:

The reference clock configuration must be done before any mode setting can occur as all outputs must be disabled to change anything. Initialize the clocks after turning everything off during the initialization process.

Ah, now I see why we moved from using the active configuration earlier. ;-)

Doesn't this prevent us from ever using SSC though, as virtually every single PCH machine has HDMI encoders that haven't been masked out through the chicken fuses or VBT? -Chris