drm/i915/irq: move locking inside vlv_display_irq_reset()

All users of vlv_display_irq_reset() have a lock/unlock pair. Move the
locking inside the function.

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/0f8176b777fa24921458996f7d6f982f955a52f6.1746536745.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Author: jnikula

drivers/gpu/drm/i915/display/intel_display_irq.c

@@ -1884,8 +1884,12 @@ static void _vlv_display_irq_reset(struct intel_display *display)
 
 void vlv_display_irq_reset(struct intel_display *display)
 {
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
+
+	spin_lock_irq(&dev_priv->irq_lock);
 	if (display->irq.vlv_display_irqs_enabled)
 		_vlv_display_irq_reset(display);
+	spin_unlock_irq(&dev_priv->irq_lock);
 }
 
 void i9xx_display_irq_reset(struct intel_display *display)

drivers/gpu/drm/i915/i915_irq.c

@@ -688,9 +688,7 @@ static void valleyview_irq_reset(struct drm_i915_private *dev_priv)
 
 	gen5_gt_irq_reset(to_gt(dev_priv));
 
-	spin_lock_irq(&dev_priv->irq_lock);
 	vlv_display_irq_reset(display);
-	spin_unlock_irq(&dev_priv->irq_lock);
 }
 
 static void gen8_irq_reset(struct drm_i915_private *dev_priv)
@@ -752,9 +750,7 @@ static void cherryview_irq_reset(struct drm_i915_private *dev_priv)
 
 	gen2_irq_reset(uncore, GEN8_PCU_IRQ_REGS);
 
-	spin_lock_irq(&dev_priv->irq_lock);
 	vlv_display_irq_reset(display);
-	spin_unlock_irq(&dev_priv->irq_lock);
 }
 
 static void ilk_irq_postinstall(struct drm_i915_private *dev_priv)