drm/i915: s/dpio_lock/sb_lock/

Rename dpio_lock to sb_lock to inform the reader that its primary
purpose is to protect the sideband mailbox rather than some DPIO
state.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 148ebf5df811..c5914564939c 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4964,9 +4964,9 @@ static void cherryview_init_gt_powersave(struct drm_device *dev)
 
         mutex_lock(&dev_priv->rps.hw_lock);
 
-        mutex_lock(&dev_priv->dpio_lock);
+        mutex_lock(&dev_priv->sb_lock);
         val = vlv_cck_read(dev_priv, CCK_FUSE_REG);
-        mutex_unlock(&dev_priv->dpio_lock);
+        mutex_unlock(&dev_priv->sb_lock);
 
         switch ((val >> 2) & 0x7) {
         case 0: