[Intel-gfx] [PATCH 4/8] drm/i915: kill dev_priv->mchdev_lock

[Daniel Vetter]

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

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/i915_drv.h |    1 -
 drivers/gpu/drm/i915/intel_pm.c |    1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 2d354e4..d6072c0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -824,7 +824,6 @@ typedef struct drm_i915_private {
 	int c_m;
 	int r_t;
 	u8 corr;
-	spinlock_t *mchdev_lock;
 
 	enum no_fbc_reason no_fbc_reason;
 
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 3ab86bd..44d58e7 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3186,7 +3186,6 @@ void intel_gpu_ips_init(struct drm_i915_private *dev_priv)
 {
 	spin_lock(&mchdev_lock);
 	i915_mch_dev = dev_priv;
-	dev_priv->mchdev_lock = &mchdev_lock;
 	spin_unlock(&mchdev_lock);
 
 	ips_ping_for_i915_load();
-- 
1.7.10.4