drm/i915/lvds: Always use 0 to disable the pfit controller
... and just any combination of bits & ~PFIT_ENABLE. This way we do not attempt disable to the panel fitter controller uselessly upon intel_lvds_disable(). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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@ -374,6 +374,10 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
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}
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out:
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if ((pfit_control & PFIT_ENABLE) == 0) {
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pfit_control = 0;
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pfit_pgm_ratios = 0;
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}
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if (pfit_control != intel_lvds->pfit_control ||
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pfit_pgm_ratios != intel_lvds->pfit_pgm_ratios) {
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intel_lvds->pfit_control = pfit_control;
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