From b0c29a33fc80bec3ae0f5862d7733e3782878d6d Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Wed, 27 May 2015 15:03:41 +0300 Subject: [PATCH] drm/i915: reduce indent in intel_hpd_irq_handler Continue to loop early if there's nothing to do. No functional changes. Signed-off-by: Jani Nikula Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_irq.c | 49 +++++++++++++++++---------------- 1 file changed, 26 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 333b3d9dd5fc..48e5b79a7929 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1442,36 +1442,39 @@ static void intel_hpd_irq_handler(struct drm_device *dev, spin_lock(&dev_priv->irq_lock); for (i = 1; i < HPD_NUM_PINS; i++) { + bool long_hpd; + if (!(hpd[i] & hotplug_trigger)) continue; port = get_port_from_pin(i); - if (port && dev_priv->hpd_irq_port[port]) { - bool long_hpd; + if (!port || !dev_priv->hpd_irq_port[port]) + continue; - if (!HAS_GMCH_DISPLAY(dev_priv)) { - dig_shift = pch_port_to_hotplug_shift(port); - long_hpd = (dig_hotplug_reg >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT; - } else { - dig_shift = i915_port_to_hotplug_shift(port); - long_hpd = (hotplug_trigger >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT; - } + if (!HAS_GMCH_DISPLAY(dev_priv)) { + dig_shift = pch_port_to_hotplug_shift(port); + long_hpd = (dig_hotplug_reg >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT; + } else { + dig_shift = i915_port_to_hotplug_shift(port); + long_hpd = (hotplug_trigger >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT; + } - DRM_DEBUG_DRIVER("digital hpd port %c - %s\n", - port_name(port), - long_hpd ? "long" : "short"); - /* for long HPD pulses we want to have the digital queue happen, - but we still want HPD storm detection to function. */ - if (long_hpd) { - dev_priv->long_hpd_port_mask |= (1 << port); - dig_port_mask |= hpd[i]; - } else { - /* for short HPD just trigger the digital queue */ - dev_priv->short_hpd_port_mask |= (1 << port); - hotplug_trigger &= ~hpd[i]; - } - queue_dig = true; + DRM_DEBUG_DRIVER("digital hpd port %c - %s\n", port_name(port), + long_hpd ? "long" : "short"); + /* + * For long HPD pulses we want to have the digital queue happen, + * but we still want HPD storm detection to function. + */ + if (long_hpd) { + dev_priv->long_hpd_port_mask |= (1 << port); + dig_port_mask |= hpd[i]; + } else { + /* for short HPD just trigger the digital queue */ + dev_priv->short_hpd_port_mask |= (1 << port); + hotplug_trigger &= ~hpd[i]; } + + queue_dig = true; } for (i = 1; i < HPD_NUM_PINS; i++) { -- 2.30.2