diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 1118c39281f9..a2bceb70a3fd 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -61,6 +61,13 @@ static const u32 hpd_cpt[HPD_NUM_PINS] = { [HPD_PORT_D] = SDE_PORTD_HOTPLUG_CPT }; +static const u32 hpd_spt[HPD_NUM_PINS] = { + [HPD_PORT_B] = SDE_PORTB_HOTPLUG_CPT, + [HPD_PORT_C] = SDE_PORTC_HOTPLUG_CPT, + [HPD_PORT_D] = SDE_PORTD_HOTPLUG_CPT, + [HPD_PORT_E] = SDE_PORTE_HOTPLUG_SPT +}; + static const u32 hpd_mask_i915[HPD_NUM_PINS] = { [HPD_CRT] = CRT_HOTPLUG_INT_EN, [HPD_SDVO_B] = SDVOB_HOTPLUG_INT_EN, @@ -1252,6 +1259,8 @@ static bool pch_port_hotplug_long_detect(enum port port, u32 val) return val & PORTC_HOTPLUG_LONG_DETECT; case PORT_D: return val & PORTD_HOTPLUG_LONG_DETECT; + case PORT_E: + return val & PORTE_HOTPLUG_LONG_DETECT; default: return false; } @@ -1549,7 +1558,7 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev) u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915; intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, - hotplug_trigger, hpd_status_g4x, + hotplug_trigger, hpd_status_i915, i9xx_port_hotplug_long_detect); intel_hpd_irq_handler(dev, pin_mask, long_mask); } @@ -1752,7 +1761,12 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) { struct drm_i915_private *dev_priv = dev->dev_private; int pipe; - u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT; + u32 hotplug_trigger; + + if (HAS_PCH_SPT(dev)) + hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_SPT; + else + hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT; if (hotplug_trigger) { u32 dig_hotplug_reg, pin_mask, long_mask; @@ -1760,9 +1774,23 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG); I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg); - intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, - dig_hotplug_reg, hpd_cpt, - pch_port_hotplug_long_detect); + if (HAS_PCH_SPT(dev)) { + intel_get_hpd_pins(&pin_mask, &long_mask, + hotplug_trigger, + dig_hotplug_reg, hpd_spt, + pch_port_hotplug_long_detect); + + /* detect PORTE HP event */ + dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG2); + if (pch_port_hotplug_long_detect(PORT_E, + dig_hotplug_reg)) + long_mask |= 1 << HPD_PORT_E; + } else + intel_get_hpd_pins(&pin_mask, &long_mask, + hotplug_trigger, + dig_hotplug_reg, hpd_cpt, + pch_port_hotplug_long_detect); + intel_hpd_irq_handler(dev, pin_mask, long_mask); } @@ -2984,6 +3012,11 @@ static void ibx_hpd_irq_setup(struct drm_device *dev) 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]; + } 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]; } else { hotplug_irqs = SDE_HOTPLUG_MASK_CPT; for_each_intel_encoder(dev, intel_encoder) @@ -3005,6 +3038,13 @@ static void ibx_hpd_irq_setup(struct drm_device *dev) hotplug |= PORTC_HOTPLUG_ENABLE | PORTC_PULSE_DURATION_2ms; hotplug |= PORTB_HOTPLUG_ENABLE | PORTB_PULSE_DURATION_2ms; I915_WRITE(PCH_PORT_HOTPLUG, hotplug); + + /* enable SPT PORTE hot plug */ + if (HAS_PCH_SPT(dev)) { + hotplug = I915_READ(PCH_PORT_HOTPLUG2); + hotplug |= PORTE_HOTPLUG_ENABLE; + I915_WRITE(PCH_PORT_HOTPLUG2, hotplug); + } } static void bxt_hpd_irq_setup(struct drm_device *dev) |
