drm/i915: kill dev_priv->mchdev_lock

It's only ever a pointer to the global mchdev_lock, and we don't use
it at all.

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e1439ae3556b..212b28e1b050 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3188,7 +3188,6 @@ void intel_gpu_ips_init(struct drm_i915_private *dev_priv)
          * set up, to avoid intel-ips sneaking in and reading bogus values. */
         spin_lock(&mchdev_lock);
         i915_mch_dev = dev_priv;
-        dev_priv->mchdev_lock = &mchdev_lock;
         spin_unlock(&mchdev_lock);
 
         ips_ping_for_i915_load();