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authorChris Wilson <chris@chris-wilson.co.uk>2009-06-18 00:52:49 +0400
committerEric Anholt <eric@anholt.net>2009-06-18 02:26:24 +0400
commitd78b47b9a527bf46cb6081555847facd6efd5f81 (patch)
treedee4127eda7743ee2370057394418e6a2d742a2d /drivers/gpu
parent76cff81ad1cfa3bd8b52b5e4510702ce2ed28335 (diff)
downloadlinux-d78b47b9a527bf46cb6081555847facd6efd5f81.tar.xz
drm/i915: detach/attach get/put pages symmetry
After performing an operation over the page list for a buffer retrieved by i915_gem_object_get_pages() the pages need to be returned with i915_gem_object_put_pages(). This was not being observed for the phys objects which were thus leaking references to their backing pages. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> CC: Dave Airlie <airlied@gmail.com> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c0ae6bbbd9b5..a5f95ad3c072 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4312,6 +4312,8 @@ void i915_gem_detach_phys_object(struct drm_device *dev,
}
drm_clflush_pages(obj_priv->pages, page_count);
drm_agp_chipset_flush(dev);
+
+ i915_gem_object_put_pages(obj);
out:
obj_priv->phys_obj->cur_obj = NULL;
obj_priv->phys_obj = NULL;
@@ -4369,6 +4371,8 @@ i915_gem_attach_phys_object(struct drm_device *dev,
kunmap_atomic(src, KM_USER0);
}
+ i915_gem_object_put_pages(obj);
+
return 0;
out:
return ret;