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authorDave Airlie <airlied@redhat.com>2012-07-31 01:58:13 -0400
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-05 16:53:59 -0400
commitf00f979145756e39b5512d7d4e4050534d1c3d7f (patch)
tree0c061447ef0dd09e95b2c0e656b7a1d8bff95dd1 /drivers/gpu/drm/i915/i915_gem_gtt.c
parente47e9ad9186ff265ddf316d25cd4942bab019d57 (diff)
i915: don't map imported dma-bufs for dmar.
The exporter should have given us pages in the correct place, avoid the prepare object mapping phase on dmar systems. This fixes an oops on a GM45/R600 machine, when running the intel/radeon tests. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 9fd25a43553..ee9b68f6bc3 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -361,7 +361,8 @@ int i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj)
361 struct drm_device *dev = obj->base.dev; 361 struct drm_device *dev = obj->base.dev;
362 struct drm_i915_private *dev_priv = dev->dev_private; 362 struct drm_i915_private *dev_priv = dev->dev_private;
363 363
364 if (dev_priv->mm.gtt->needs_dmar) 364 /* don't map imported dma buf objects */
365 if (dev_priv->mm.gtt->needs_dmar && !obj->sg_table)
365 return intel_gtt_map_memory(obj->pages, 366 return intel_gtt_map_memory(obj->pages,
366 obj->base.size >> PAGE_SHIFT, 367 obj->base.size >> PAGE_SHIFT,
367 &obj->sg_list, 368 &obj->sg_list,