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| author | Rodrigo Vivi | 2012-10-10 23:35:28 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2012-10-12 10:59:11 +0200 |
| commit | eda2d7f582d51a4b5e01d48845ea28321357b136 (patch) | |
| tree | 7a8be53b035fa98d8f63b57852a333150a760f66 | |
| parent | drm/i915/dvo-ch7xxx: fix get_hw_state (diff) | |
| download | kernel-qcow2-linux-eda2d7f582d51a4b5e01d48845ea28321357b136.tar.gz kernel-qcow2-linux-eda2d7f582d51a4b5e01d48845ea28321357b136.tar.xz kernel-qcow2-linux-eda2d7f582d51a4b5e01d48845ea28321357b136.zip | |
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>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 04b0c070cdf8..bb941f8cd556 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -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); |