We do not yet support tiled objects bigger than the mappable
aperture size so reject them.
Reported-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b45f93b..6b09eff 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1670,6 +1670,11 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
/* Use a partial view if the object is bigger than the aperture. */
if (obj->base.size >= dev_priv->gtt.mappable_end) {
+ if (obj->tiling_mode != I915_TILING_NONE) {
+ ret = -ENOSPC;
+ goto unlock;
+ }
+
static const unsigned int chunk_size = 256; // 1 MiB
memset(&view, 0, sizeof(view));
view.type = I915_GGTT_VIEW_PARTIAL;
--
1.9.3
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