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drm/i915: HSW CRW stability magic 

This magic brings stability to HSW CRW machines.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Rodrigo Vivi 2012-10-10 18:35:28 -03:00 committed by Daniel Vetter
parent 4afa0ace42
commit eda2d7f582
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_gem.c
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@ -3961,6 +3961,9 @@ i915_gem_init_hw(struct drm_device *dev)
if (!intel_enable_gtt())
return -EIO;
if (IS_HASWELL(dev) && (I915_READ(0x120010) == 1))
I915_WRITE(0x9008, I915_READ(0x9008) | 0xf0000);
i915_gem_l3_remap(dev);
i915_gem_init_swizzling(dev);