diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 09cd7d76f6ae..4568e7d8a060 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1096,8 +1096,10 @@ static int gen6_drpc_info(struct seq_file *m) rpmodectl1 = I915_READ(GEN6_RP_CONTROL); rcctl1 = I915_READ(GEN6_RC_CONTROL); - sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); mutex_unlock(&dev->struct_mutex); + mutex_lock(&dev_priv->rps.hw_lock); + sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); + mutex_unlock(&dev_priv->rps.hw_lock); seq_printf(m, "Video Turbo Mode: %s\n", yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); |