diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2015-01-09 14:21:13 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-01-13 00:45:07 +0100 |
| commit | 778eb3344ed1dcd2b1911cb43e3f950216b33d39 (patch) | |
| tree | aa8a0d6a2688160e5891e3be6253ea5684af5c97 /drivers/gpu/drm/i915/i915_irq.c | |
| parent | 7c7e10db4698c38403bae9af3b0a684724d93472 (diff) | |
| download | lwn-778eb3344ed1dcd2b1911cb43e3f950216b33d39.tar.gz lwn-778eb3344ed1dcd2b1911cb43e3f950216b33d39.zip | |
drm/i915: Remove I915_HAS_HOTPLUG() check from i915_hpd_irq_setup()
The dev_priv->display.hpd_irq_setup hook is optional, so we can move the
I915_HAS_HOTPLUG() check out of i915_hpd_irq_setup() and only set up the
hook when hotplug support is present.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@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 | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index c499126476c4..49b2eab67c0d 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -4129,26 +4129,24 @@ static void i915_hpd_irq_setup(struct drm_device *dev) assert_spin_locked(&dev_priv->irq_lock); - if (I915_HAS_HOTPLUG(dev)) { - hotplug_en = I915_READ(PORT_HOTPLUG_EN); - 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->hpd_stats[intel_encoder->hpd_pin].hpd_mark == HPD_ENABLED) - hotplug_en |= hpd_mask_i915[intel_encoder->hpd_pin]; - /* Programming the CRT detection parameters tends - to generate a spurious hotplug event about three - seconds later. So just do it once. - */ - if (IS_G4X(dev)) - hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; - hotplug_en &= ~CRT_HOTPLUG_VOLTAGE_COMPARE_MASK; - hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; - - /* Ignore TV since it's buggy */ - I915_WRITE(PORT_HOTPLUG_EN, hotplug_en); - } + hotplug_en = I915_READ(PORT_HOTPLUG_EN); + 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->hpd_stats[intel_encoder->hpd_pin].hpd_mark == HPD_ENABLED) + hotplug_en |= hpd_mask_i915[intel_encoder->hpd_pin]; + /* Programming the CRT detection parameters tends + to generate a spurious hotplug event about three + seconds later. So just do it once. + */ + if (IS_G4X(dev)) + hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; + hotplug_en &= ~CRT_HOTPLUG_VOLTAGE_COMPARE_MASK; + hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; + + /* Ignore TV since it's buggy */ + I915_WRITE(PORT_HOTPLUG_EN, hotplug_en); } static irqreturn_t i965_irq_handler(int irq, void *arg) @@ -4412,14 +4410,14 @@ void intel_irq_init(struct drm_i915_private *dev_priv) dev->driver->irq_postinstall = i915_irq_postinstall; dev->driver->irq_uninstall = i915_irq_uninstall; dev->driver->irq_handler = i915_irq_handler; - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; } else { dev->driver->irq_preinstall = i965_irq_preinstall; dev->driver->irq_postinstall = i965_irq_postinstall; dev->driver->irq_uninstall = i965_irq_uninstall; dev->driver->irq_handler = i965_irq_handler; - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; } + if (I915_HAS_HOTPLUG(dev_priv)) + dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; dev->driver->enable_vblank = i915_enable_vblank; dev->driver->disable_vblank = i915_disable_vblank; } |