In theory, this should prevent the BIOS from requesting them from us, and this should be the right thing. In practice, this is not always the case, and might surprise the BIOS. Signed-off-by: Jani Nikula <jani.nikula at intel.com> --- drivers/gpu/drm/i915/intel_opregion.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 4d33874..a622fd0 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -282,9 +282,7 @@ void intel_opregion_enable_asle(struct drm_device *dev) if (IS_MOBILE(dev)) intel_enable_asle(dev); - iowrite32(ASLE_ALS_EN | ASLE_BLC_EN | ASLE_PFIT_EN | - ASLE_PFMB_EN, - &asle->tche); + iowrite32(ASLE_BLC_EN, &asle->tche); iowrite32(1, &asle->ardy); } } -- 1.7.9.5