| From f398c5cc0afdad3aae3f5cfa203343ff8dd34299 Mon Sep 17 00:00:00 2001 |
| From: Jani Nikula <jani.nikula@intel.com> |
| Date: Fri, 12 Apr 2013 15:20:56 +0300 |
| Subject: drm/i915: don't pretend we support ASLE ALS, PFIT, or PFMB |
| |
| 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@intel.com> |
| Reviewed-by: Damien Lespiau <damien.lespiau@intel.com> |
| Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
| (cherry picked from commit 1767afa4d0a6409e24fd9421a7c2df0490a0da4a) |
| Signed-off-by: Darren Hart <dvhart@linux.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 b9b2694be80f..772fbf344c33 100644 |
| --- a/drivers/gpu/drm/i915/intel_opregion.c |
| +++ b/drivers/gpu/drm/i915/intel_opregion.c |
| @@ -280,9 +280,7 @@ 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); |
| } |
| } |
| -- |
| 1.8.5.rc3 |
| |
