diff options
Diffstat (limited to 'shared-core/i915_irq.c')
| -rw-r--r-- | shared-core/i915_irq.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index 28f9f6af..d7fa47d3 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -474,15 +474,33 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) } if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) { pipeb_stats = I915_READ(PIPEBSTAT); + /* Ack the event */ + I915_WRITE(PIPEBSTAT, pipeb_stats); + + /* The vblank interrupt gets enabled even if we didn't ask for + it, so make sure it's shut down again */ + if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)) + pipeb_stats &= ~(I915_VBLANK_INTERRUPT_ENABLE); + if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS| PIPE_VBLANK_INTERRUPT_STATUS)) { vblank++; drm_handle_vblank(dev, i915_get_plane(dev, 1)); } + +#ifdef __linux__ + if (pipeb_stats & I915_LEGACY_BLC_EVENT_ENABLE) + opregion_asle_intr(dev); +#endif I915_WRITE(PIPEBSTAT, pipeb_stats); } +#ifdef __linux__ + if (iir & I915_ASLE_INTERRUPT) + opregion_asle_intr(dev); +#endif + if (dev_priv->sarea_priv) dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); @@ -703,6 +721,10 @@ static void i915_enable_interrupt (struct drm_device *dev) dev_priv->irq_enable_reg |= I915_USER_INTERRUPT; +#ifdef __linux__ + opregion_enable_asle(dev); +#endif + I915_WRITE(IER, dev_priv->irq_enable_reg); dev_priv->irq_enabled = 1; } |