17 lines
561 B
Diff
17 lines
561 B
Diff
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
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index 6da2c6d..f508b86 100644
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--- a/drivers/gpu/drm/i915/i915_gem.c
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+++ b/drivers/gpu/drm/i915/i915_gem.c
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@@ -3738,6 +3738,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
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if (ret)
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goto pre_mutex_err;
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+ /* We don't get the flushing right for these chipsets, use the
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+ * big hammer for now to avoid random crashiness. */
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+ if (IS_I85X(dev) || IS_I865G(dev))
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+ wbinvd();
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+
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if (dev_priv->mm.suspended) {
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mutex_unlock(&dev->struct_mutex);
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ret = -EBUSY;
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