diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 54 |
1 files changed, 26 insertions, 28 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 818ab4e9dabc..8fe5a87705f7 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -45,7 +45,7 @@ * and related files, but that will be described in separate chapters. */ -static const u32 hpd_ibx[] = { +static const u32 hpd_ibx[HPD_NUM_PINS] = { [HPD_CRT] = SDE_CRT_HOTPLUG, [HPD_SDVO_B] = SDE_SDVOB_HOTPLUG, [HPD_PORT_B] = SDE_PORTB_HOTPLUG, @@ -53,7 +53,7 @@ static const u32 hpd_ibx[] = { [HPD_PORT_D] = SDE_PORTD_HOTPLUG }; -static const u32 hpd_cpt[] = { +static const u32 hpd_cpt[HPD_NUM_PINS] = { [HPD_CRT] = SDE_CRT_HOTPLUG_CPT, [HPD_SDVO_B] = SDE_SDVOB_HOTPLUG_CPT, [HPD_PORT_B] = SDE_PORTB_HOTPLUG_CPT, @@ -61,7 +61,7 @@ static const u32 hpd_cpt[] = { [HPD_PORT_D] = SDE_PORTD_HOTPLUG_CPT }; -static const u32 hpd_mask_i915[] = { +static const u32 hpd_mask_i915[HPD_NUM_PINS] = { [HPD_CRT] = CRT_HOTPLUG_INT_EN, [HPD_SDVO_B] = SDVOB_HOTPLUG_INT_EN, [HPD_SDVO_C] = SDVOC_HOTPLUG_INT_EN, @@ -70,7 +70,7 @@ static const u32 hpd_mask_i915[] = { [HPD_PORT_D] = PORTD_HOTPLUG_INT_EN }; -static const u32 hpd_status_g4x[] = { +static const u32 hpd_status_g4x[HPD_NUM_PINS] = { [HPD_CRT] = CRT_HOTPLUG_INT_STATUS, [HPD_SDVO_B] = SDVOB_HOTPLUG_INT_STATUS_G4X, [HPD_SDVO_C] = SDVOC_HOTPLUG_INT_STATUS_G4X, @@ -79,7 +79,7 @@ static const u32 hpd_status_g4x[] = { [HPD_PORT_D] = PORTD_HOTPLUG_INT_STATUS }; -static const u32 hpd_status_i915[] = { /* i915 and valleyview are the same */ +static const u32 hpd_status_i915[HPD_NUM_PINS] = { /* i915 and valleyview are the same */ [HPD_CRT] = CRT_HOTPLUG_INT_STATUS, [HPD_SDVO_B] = SDVOB_HOTPLUG_INT_STATUS_I915, [HPD_SDVO_C] = SDVOC_HOTPLUG_INT_STATUS_I915, @@ -1522,7 +1522,7 @@ static inline enum port get_port_from_pin(enum hpd_pin pin) static inline void intel_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger, u32 dig_hotplug_reg, - const u32 *hpd) + const u32 hpd[HPD_NUM_PINS]) { struct drm_i915_private *dev_priv = dev->dev_private; int i; @@ -4145,26 +4145,24 @@ 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) @@ -4428,14 +4426,14 @@ 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; } |