Commit 2b1ecb73 authored by Jesse Barnes's avatar Jesse Barnes Committed by Keith Packard

drm/i915: apply HWSTAM writes to Ivy Bridge as well

In an attempt to fix 38862 and 38863.
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: default avatarKenneth Graunke <kenneth@whitecape.org>
Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
parent f71d4af4
...@@ -1740,7 +1740,7 @@ static void ironlake_irq_preinstall(struct drm_device *dev) ...@@ -1740,7 +1740,7 @@ static void ironlake_irq_preinstall(struct drm_device *dev)
INIT_WORK(&dev_priv->rps_work, gen6_pm_rps_work); INIT_WORK(&dev_priv->rps_work, gen6_pm_rps_work);
I915_WRITE(HWSTAM, 0xeffe); I915_WRITE(HWSTAM, 0xeffe);
if (IS_GEN6(dev)) { if (IS_GEN6(dev) || IS_GEN7(dev)) {
/* Workaround stalls observed on Sandy Bridge GPUs by /* Workaround stalls observed on Sandy Bridge GPUs by
* making the blitter command streamer generate a * making the blitter command streamer generate a
* write to the Hardware Status Page for * write to the Hardware Status Page for
......
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