drm/i915: Add intel_hpd_irq_uninstall()

Add intel_hpd_irq_uninstall() which will cancel the hotplug re-enable
timer.

Also s/i915_reenable_hotplug_timer_func/intel_hpd_irq_reenable/

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index cb6a60a..b67ceeb 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -916,6 +916,11 @@ static void i915_hotplug_work_func(struct work_struct *work)
                drm_kms_helper_hotplug_event(dev);
 }
 
+static void intel_hpd_irq_uninstall(struct drm_i915_private *dev_priv)
+{
+       del_timer_sync(&dev_priv->hotplug_reenable_timer);
+}
+
 static void ironlake_rps_change_irq_handler(struct drm_device *dev)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
@@ -3050,7 +3055,7 @@ static void valleyview_irq_uninstall(struct drm_device *dev)
        if (!dev_priv)
                return;
 
-       del_timer_sync(&dev_priv->hotplug_reenable_timer);
+       intel_hpd_irq_uninstall(dev_priv);
 
        for_each_pipe(pipe)
                I915_WRITE(PIPESTAT(pipe), 0xffff);
@@ -3073,7 +3078,7 @@ static void ironlake_irq_uninstall(struct drm_device *dev)
        if (!dev_priv)
                return;
 
-       del_timer_sync(&dev_priv->hotplug_reenable_timer);
+       intel_hpd_irq_uninstall(dev_priv);
 
        I915_WRITE(HWSTAM, 0xffffffff);
 
@@ -3474,7 +3479,7 @@ static void i915_irq_uninstall(struct drm_device * dev)
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
        int pipe;
 
-       del_timer_sync(&dev_priv->hotplug_reenable_timer);
+       intel_hpd_irq_uninstall(dev_priv);
 
        if (I915_HAS_HOTPLUG(dev)) {
                I915_WRITE(PORT_HOTPLUG_EN, 0);
@@ -3730,7 +3735,7 @@ static void i965_irq_uninstall(struct drm_device * dev)
        if (!dev_priv)
                return;
 
-       del_timer_sync(&dev_priv->hotplug_reenable_timer);
+       intel_hpd_irq_uninstall(dev_priv);
 
        I915_WRITE(PORT_HOTPLUG_EN, 0);
        I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
@@ -3747,7 +3752,7 @@ static void i965_irq_uninstall(struct drm_device * dev)
        I915_WRITE(IIR, I915_READ(IIR));
 }
 
-static void i915_reenable_hotplug_timer_func(unsigned long data)
+static void intel_hpd_irq_reenable(unsigned long data)
 {
        drm_i915_private_t *dev_priv = (drm_i915_private_t *)data;
        struct drm_device *dev = dev_priv->dev;
@@ -3794,7 +3799,7 @@ void intel_irq_init(struct drm_device *dev)
        setup_timer(&dev_priv->gpu_error.hangcheck_timer,
                    i915_hangcheck_elapsed,
                    (unsigned long) dev);
-       setup_timer(&dev_priv->hotplug_reenable_timer, i915_reenable_hotplug_timer_func,
+       setup_timer(&dev_priv->hotplug_reenable_timer, intel_hpd_irq_reenable,
                    (unsigned long) dev_priv);
 
        pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE);