drm/i915: Undo gtt scratch pte unmapping again
It apparently blows up on some machines. This functionally reverts
commit 828c79087c
Author: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Wed Oct 16 09:21:30 2013 -0700
drm/i915: Disable GGTT PTEs on GEN6+ suspend
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=64841
Reported-and-Tested-by: Brad Jackson <bjackson0971@gmail.com>
Cc: stable@vger.kernel.org
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Todd Previte <tprevite@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -842,7 +842,7 @@ void i915_gem_suspend_gtt_mappings(struct drm_device *dev)
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dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
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dev_priv->gtt.base.start / PAGE_SIZE,
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dev_priv->gtt.base.total / PAGE_SIZE,
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false);
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true);
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}
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void i915_gem_restore_gtt_mappings(struct drm_device *dev)
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