lkundrak / rpms / kernel

Forked from rpms/kernel 4 years ago
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Kyle McMartin 7b2f649
omgwtfbbqchainsaw?
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---
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 drivers/gpu/drm/i915/i915_gem.c |    5 +++++
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 1 files changed, 5 insertions(+), 0 deletions(-)
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Jesse Keating 7a32965
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
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index 8eb8453..36fa9d7 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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@@ -3692,6 +3692,11 @@ 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;