[Intel-gfx] [PATCH v3 7/7] drm/i915/perf: remove perf.hook_lock

[Matthew Auld]

On 04/05, Robert Bragg wrote:
> In earlier iterations of the i915-perf driver we had a number of
> callbacks/hooks from other parts of the i915 driver to e.g. notify us
> when a legacy context was pinned and these could run asynchronously with
> respect to the stream file operations and might also run in atomic
> context.
> 
> dev_priv->perf.hook_lock had been for serialising access to state needed
> within these callbacks, but as the code has evolved some of the hooks
> have gone away or are implemented to avoid needing to lock any state.
> 
> The remaining use of this lock was actually redundant considering how
> the gen7 oacontrol state used to be updated as part of a context pin
> hook.
> 
> Signed-off-by: Robert Bragg <robert at sixbynine.org>
Thanks for following up with a patch.

Reviewed-by: Matthew Auld <matthew.auld at intel.com>