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path: root/drivers/gpu/drm/i915/intel_uncore.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index b49a95a18da4..19d759ed7a30 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1299,9 +1299,11 @@ static void intel_uncore_fw_domains_init(struct drm_i915_private *dev_priv)
fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
FORCEWAKE_MT, FORCEWAKE_MT_ACK);
+ spin_lock_irq(&dev_priv->uncore.lock);
fw_domains_get_with_thread_status(dev_priv, FORCEWAKE_ALL);
ecobus = __raw_i915_read32(dev_priv, ECOBUS);
fw_domains_put_with_fifo(dev_priv, FORCEWAKE_ALL);
+ spin_unlock_irq(&dev_priv->uncore.lock);
if (!(ecobus & FORCEWAKE_MT_ENABLE)) {
DRM_INFO("No MT forcewake available on Ivybridge, this can result in issues\n");