kernel/drm-intel-big-hammer.patch

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2010-07-30 00:19:53 +00:00
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 37427e4..08af9db 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2553,6 +2553,11 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
mutex_lock(&dev->struct_mutex);
+ /* We don't get the flushing right for these chipsets, use the
+ * big hamer for now to avoid random crashiness. */
+ if (IS_I85X(dev) || IS_I865G(dev))
+ wbinvd();
+
i915_verify_inactive(dev, __FILE__, __LINE__);
if (dev_priv->mm.wedged) {