Daniel Vetter a261b246eb
drm/i915: disable all crtcs at suspend time ...
We need this to avoid confusing the hw state readout code with the cpt
pch plls at resume time: We'd read the new pipe state (which is
disabled), but still believe that we have a life pll connected to that
pipe (from before the suspend). Hence properly disable pipes to clear
out all the residual state.
This has the neat side-effect that we don't enable ports prematurely
by restoring bogus state from the saved register values.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org >
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch >
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Daniel Vetter
a261b246eb