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drm/i915: fold the no-irq check into intel_hpd_irq_handler 

The usual pattern for our sub-function irq_handlers is that they check
for the no-irq case themselves. This results in more streamlined code
in the upper irq handlers.

v2: Rebase on top of the i965g/gm sdvo hpd fix.

Cc: Egbert Eich <eich@suse.de>
Reviewed-by: Egbert Eich <eich@suse.de>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-06-27 17:52:14 +02:00
Родитель 5876fa0d9e
Коммит 91d131d21e
1 изменённых файлов: 17 добавлений и 16 удалений
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33
drivers/gpu/drm/i915/i915_irq.c
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@ -881,6 +881,9 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
int i;
bool storm_detected = false;
if (!hotplug_trigger)
return;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
for (i = 1; i < HPD_NUM_PINS; i++) {
@ -1018,9 +1021,9 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg)
DRM_DEBUG_DRIVER("hotplug event received, stat 0x%08x\n",
hotplug_status);
if (hotplug_trigger) {
intel_hpd_irq_handler(dev, hotplug_trigger, hpd_status_i915);
}
intel_hpd_irq_handler(dev, hotplug_trigger, hpd_status_i915);
I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status);
I915_READ(PORT_HOTPLUG_STAT);
}
@ -1046,9 +1049,8 @@ static void ibx_irq_handler(struct drm_device *dev, u32 pch_iir)
int pipe;
u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK;
if (hotplug_trigger) {
intel_hpd_irq_handler(dev, hotplug_trigger, hpd_ibx);
}
intel_hpd_irq_handler(dev, hotplug_trigger, hpd_ibx);
if (pch_iir & SDE_AUDIO_POWER_MASK) {
int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK) >>
SDE_AUDIO_POWER_SHIFT);
@ -1149,9 +1151,8 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir)
int pipe;
u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT;
if (hotplug_trigger) {
intel_hpd_irq_handler(dev, hotplug_trigger, hpd_cpt);
}
intel_hpd_irq_handler(dev, hotplug_trigger, hpd_cpt);
if (pch_iir & SDE_AUDIO_POWER_MASK_CPT) {
int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK_CPT) >>
SDE_AUDIO_POWER_SHIFT_CPT);
@ -3225,9 +3226,9 @@ static irqreturn_t i915_irq_handler(int irq, void *arg)
DRM_DEBUG_DRIVER("hotplug event received, stat 0x%08x\n",
hotplug_status);
if (hotplug_trigger) {
intel_hpd_irq_handler(dev, hotplug_trigger, hpd_status_i915);
}
intel_hpd_irq_handler(dev, hotplug_trigger, hpd_status_i915);
I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status);
POSTING_READ(PORT_HOTPLUG_STAT);
}
@ -3463,10 +3464,10 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
DRM_DEBUG_DRIVER("hotplug event received, stat 0x%08x\n",
hotplug_status);
if (hotplug_trigger) {
intel_hpd_irq_handler(dev, hotplug_trigger,
IS_G4X(dev) ? hpd_status_gen4 : hpd_status_i915);
}
intel_hpd_irq_handler(dev, hotplug_trigger,
IS_G4X(dev) ? hpd_status_gen4 : hpd_status_i915);
I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status);
I915_READ(PORT_HOTPLUG_STAT);
}