drm/i915: Extract vlv_prepare_pll

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With this all hw writes are also gone from the ->crtc_mode_set hook on
vlv. I wondered whether we should track more of the pll state in the
pipe config, but otoh as long as we don't have shared plls that's not
really useful - the cross-checking of the port clock should be
sufficient.

While at it also de-magic some of the pipe checks, this has been
irking me since a long time.

Whit this vlv is now ready for runtime PM on dpms. If we'd have
runtime PM support in general ...

Reviewed-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

...

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Daniel Vetter 2014-04-24 23:55:11 +02:00

parent f13c2ef368

commit bdd4b6a655

1 changed files with 30 additions and 23 deletions

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drivers/gpu/drm/i915/intel_display.c

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