diff options
author | Eric Anholt <eric@anholt.net> | 2008-05-08 12:46:02 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2008-05-08 12:46:02 -0700 |
commit | 2f573e6df4890784124eea24ce168702574f0152 (patch) | |
tree | 5686fc99cc949fe5c68d1706a8cb3903dae6b738 | |
parent | 9af4c497433398fa4576a7c1c31036448cf4f24c (diff) |
GEM: Fix oops on NULL dereference when we try clflushing when we don't need to.
-rw-r--r-- | linux-core/i915_gem.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c index 861e7bb7..5c58032b 100644 --- a/linux-core/i915_gem.c +++ b/linux-core/i915_gem.c @@ -415,6 +415,13 @@ i915_gem_clflush_object (struct drm_gem_object *obj) { struct drm_i915_gem_object *obj_priv = obj->driver_private; + /* If we don't have a page list set up, then we're not pinned + * to GPU, and we can ignore the cache flush because it'll happen + * again at bind time. + */ + if (obj_priv->page_list == NULL) + return; + drm_ttm_cache_flush (obj_priv->page_list, obj->size / PAGE_SIZE); } |