[Bug 75623] [ivb:gt1 regression] Render corruption (HiZ?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75623

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
Today's attempt:

commit 116f2b6da868dec7539103574d0421cd6221e931
Author: Chia-I Wu <olv at lunarg.com>
Date:   Tue Jan 28 13:29:34 2014 +0800

    drm/i915: enable HiZ Raw Stall Optimization on IVB

    The optimization helps IVB too.  No piglit regression.

    Signed-off-by: Chia-I Wu <olv at lunarg.com>
    Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>


Which starts to make sense.

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