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-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 0597a73..a517b48 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -245,6 +245,17 @@ i915_gem_object_fence_ok(struct drm_gem_object *obj, int tiling_mode)
if (INTEL_INFO(obj->dev)->gen >= 4)
return true;
+ if (!obj_priv->gtt_space)
+ return true;
+
+ if (INTEL_INFO(obj->dev)->gen == 3) {
+ if (obj_priv->gtt_offset & ~I915_FENCE_START_MASK)
+ return false;
+ } else {
+ if (obj_priv->gtt_offset & ~I830_FENCE_START_MASK)
+ return false;
+ }
+
/*
* Previous chips need to be aligned to the size of the smallest
* fence register that can contain the object.
@@ -257,16 +268,11 @@ i915_gem_object_fence_ok(struct drm_gem_object *obj, int tiling_mode)
while (size < obj_priv->base.size)
size <<= 1;
- if (obj_priv->gtt_offset & (size - 1))
+ if (obj_priv->gtt_space->size != size)
return false;
- if (INTEL_INFO(obj->dev)->gen == 3) {
- if (obj_priv->gtt_offset & ~I915_FENCE_START_MASK)
- return false;
- } else {
- if (obj_priv->gtt_offset & ~I830_FENCE_START_MASK)
- return false;
- }
+ if (obj_priv->gtt_offset & (size - 1))
+ return false;
return true;
}
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