On Thu, Nov 17, 2016 at 08:20:05PM +0000, Matthew Auld wrote:
> We need to clean up the global_timeline in i915_gem_load_cleanup.
>
> v2: don't forget about the struct_mutex, and also WARN_ON if we have any
> remaining timelines before purging the global_timeline.
>
> Fixes: 73cb97010d4f ("drm/i915: Combine seqno + tracking into a global
> timeline struct")
> Cc: Chris Wilson <[email protected]>
> Signed-off-by: Matthew Auld <[email protected]>
> ---
> 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 3fb5e66e4d65..f507e14d6231 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -4556,6 +4556,11 @@ void i915_gem_load_cleanup(struct drm_device *dev)
> struct drm_i915_private *dev_priv = to_i915(dev);
>
> WARN_ON(!llist_empty(&dev_priv->mm.free_list));
> + WARN_ON(!list_empty(&dev_priv->gt.timelines));
> +
> + mutex_lock(&dev_priv->drm.struct_mutex);
> + i915_gem_timeline_fini(&dev_priv->gt.global_timeline);
> + mutex_unlock(&dev_priv->drm.struct_mutex);
Remove the global timeline from the list then warn... :)
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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