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AFAICT i9xx_pfit_disable() on the GMCH display crtc disable path in i9xx_crtc_disable() will always disable the panel fitter by writing 0 to PFIT_CONTROL. The register save will always save/restore 0. Also we completely recompue both in intel_gmch_panel_fitting so there's no way we depend upon leftover bits. Move the PFIT_CONTROL and PFIT_PGM_RATIOS save/restore to UMS code. While at it, save/restore them both under the same conditions. Signed-off-by: Jani Nikula <jani.nikula@intel.com> [danvet: Make it a bit clearer that we nowhere depend upon these bits.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>