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Partially revert "drm/i915: tune the RC6 threshold for stability"

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This reverts commit 351aa5666d.

It breaks rc6 on at least one snb machine. Since we don't yet have a
report for ivb let's keep it there for now.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71656
Cc: Stéphane Marchesin <marcheu@chromium.org>
Cc: erik@vontaene.de
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-11-16 16:04:26 +01:00
parent b2ea8ef559
commit 29c78f609e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_pm.c
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@ -3888,7 +3888,7 @@ static void gen6_enable_rps(struct drm_device *dev)
I915_WRITE(GEN6_RC_SLEEP, 0);
I915_WRITE(GEN6_RC1e_THRESHOLD, 1000);
if (INTEL_INFO(dev)->gen <= 6 || IS_IVYBRIDGE(dev))
if (IS_IVYBRIDGE(dev))
I915_WRITE(GEN6_RC6_THRESHOLD, 125000);
else
I915_WRITE(GEN6_RC6_THRESHOLD, 50000);