[Intel-gfx] [PATCH 9/9] drm/i915: Initialize PCH refclks at modeset init time
chris at chris-wilson.co.uk
Tue Sep 27 09:56:39 PDT 2011
On Mon, 26 Sep 2011 23:11:46 -0700, Keith Packard <keithp at 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 Wilson, Intel Open Source Technology Centre
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