diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2015-08-27 23:55:57 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-02 17:51:04 +0300 |
| commit | 87a0210665eeca7c5fa237592da025650b216831 (patch) | |
| tree | 16c4c935c2f88662f0e64cb0ebb1749ec30ae0b5 /drivers/gpu/drm/i915/i915_irq.c | |
| parent | 40bfd7a3303b7c383493c80a250c59b61d812ce5 (diff) | |
| download | linux-87a0210665eeca7c5fa237592da025650b216831.tar.xz | |
drm/i915: Extract intel_hpd_enabled_irqs()
Eliminate a bunch of duplicated code that calculates the currently
enabled HPD interrupt bits.
v2: s/;/:/ in patch subject (Paulo)
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 8485bea966cc..de0edbdb05ed 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3002,27 +3002,34 @@ static void cherryview_irq_preinstall(struct drm_device *dev) vlv_display_irq_reset(dev_priv); } +static u32 intel_hpd_enabled_irqs(struct drm_device *dev, + const u32 hpd[HPD_NUM_PINS]) +{ + struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_encoder *encoder; + u32 enabled_irqs = 0; + + for_each_intel_encoder(dev, encoder) + if (dev_priv->hotplug.stats[encoder->hpd_pin].state == HPD_ENABLED) + enabled_irqs |= hpd[encoder->hpd_pin]; + + return enabled_irqs; +} + static void ibx_hpd_irq_setup(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_encoder *intel_encoder; - u32 hotplug_irqs, hotplug, enabled_irqs = 0; + u32 hotplug_irqs, hotplug, enabled_irqs; if (HAS_PCH_IBX(dev)) { hotplug_irqs = SDE_HOTPLUG_MASK; - for_each_intel_encoder(dev, intel_encoder) - if (dev_priv->hotplug.stats[intel_encoder->hpd_pin].state == HPD_ENABLED) - enabled_irqs |= hpd_ibx[intel_encoder->hpd_pin]; + enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_ibx); } else if (HAS_PCH_SPT(dev)) { hotplug_irqs = SDE_HOTPLUG_MASK_SPT; - for_each_intel_encoder(dev, intel_encoder) - if (dev_priv->hotplug.stats[intel_encoder->hpd_pin].state == HPD_ENABLED) - enabled_irqs |= hpd_spt[intel_encoder->hpd_pin]; + enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_spt); } else { hotplug_irqs = SDE_HOTPLUG_MASK_CPT; - for_each_intel_encoder(dev, intel_encoder) - if (dev_priv->hotplug.stats[intel_encoder->hpd_pin].state == HPD_ENABLED) - enabled_irqs |= hpd_cpt[intel_encoder->hpd_pin]; + enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_cpt); } ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs); @@ -3051,15 +3058,10 @@ static void ibx_hpd_irq_setup(struct drm_device *dev) static void bxt_hpd_irq_setup(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_encoder *intel_encoder; - u32 hotplug_port = 0; + u32 hotplug_port; u32 hotplug_ctrl; - for_each_intel_encoder(dev, intel_encoder) { - if (dev_priv->hotplug.stats[intel_encoder->hpd_pin].state - == HPD_ENABLED) - hotplug_port |= hpd_bxt[intel_encoder->hpd_pin]; - } + hotplug_port = intel_hpd_enabled_irqs(dev, hpd_bxt); hotplug_ctrl = I915_READ(BXT_HOTPLUG_CTL) & ~BXT_HOTPLUG_CTL_MASK; @@ -3935,7 +3937,6 @@ static int i965_irq_postinstall(struct drm_device *dev) static void i915_hpd_irq_setup(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_encoder *intel_encoder; u32 hotplug_en; assert_spin_locked(&dev_priv->irq_lock); @@ -3944,9 +3945,7 @@ static void i915_hpd_irq_setup(struct drm_device *dev) hotplug_en &= ~HOTPLUG_INT_EN_MASK; /* Note HDMI and DP share hotplug bits */ /* enable bits are the same for all generations */ - for_each_intel_encoder(dev, intel_encoder) - if (dev_priv->hotplug.stats[intel_encoder->hpd_pin].state == HPD_ENABLED) - hotplug_en |= hpd_mask_i915[intel_encoder->hpd_pin]; + hotplug_en |= intel_hpd_enabled_irqs(dev, hpd_mask_i915); /* Programming the CRT detection parameters tends to generate a spurious hotplug event about three seconds later. So just do it once. |