From 83de97c885b633ab6d12346a406911fadeb85f8c Mon Sep 17 00:00:00 2001 From: Eugeni Dodonov Date: Fri, 13 Apr 2012 17:08:54 -0300 Subject: [PATCH] drm/i915: disable rc6 on haswell for now This needs proper enablement to avoid machine hangs, so let's just avoid it for now. Reviewed-by: Rodrigo Vivi Signed-off-by: Eugeni Dodonov Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_display.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c67eb7784aa8..02e9932c3774 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8585,6 +8585,10 @@ int intel_enable_rc6(const struct drm_device *dev) if (INTEL_INFO(dev)->gen == 5) return 0; + /* Sorry Haswell, no RC6 for you for now. */ + if (IS_HASWELL(dev)) + return 0; + /* * Disable rc6 on Sandybridge */ -- 2.20.1