diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 64 |
1 files changed, 38 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index f94cd7ffd74d..237b8bdb5994 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -293,6 +293,19 @@ static void i915_handle_rps_change(struct drm_device *dev) return; } +static void notify_ring(struct drm_device *dev, + struct intel_ring_buffer *ring) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 seqno = ring->get_seqno(dev, ring); + ring->irq_gem_seqno = seqno; + trace_i915_gem_request_complete(dev, seqno); + wake_up_all(&ring->irq_queue); + dev_priv->hangcheck_count = 0; + mod_timer(&dev_priv->hangcheck_timer, + jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)); +} + static irqreturn_t ironlake_irq_handler(struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; @@ -300,7 +313,6 @@ static irqreturn_t ironlake_irq_handler(struct drm_device *dev) u32 de_iir, gt_iir, de_ier, pch_iir; u32 hotplug_mask; struct drm_i915_master_private *master_priv; - struct intel_ring_buffer *render_ring = &dev_priv->render_ring; u32 bsd_usr_interrupt = GT_BSD_USER_INTERRUPT; if (IS_GEN6(dev)) @@ -332,17 +344,12 @@ static irqreturn_t ironlake_irq_handler(struct drm_device *dev) READ_BREADCRUMB(dev_priv); } - if (gt_iir & GT_PIPE_NOTIFY) { - u32 seqno = render_ring->get_seqno(dev, render_ring); - render_ring->irq_gem_seqno = seqno; - trace_i915_gem_request_complete(dev, seqno); - wake_up_all(&dev_priv->render_ring.irq_queue); - dev_priv->hangcheck_count = 0; - mod_timer(&dev_priv->hangcheck_timer, - jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)); - } + if (gt_iir & GT_PIPE_NOTIFY) + notify_ring(dev, &dev_priv->render_ring); if (gt_iir & bsd_usr_interrupt) - wake_up_all(&dev_priv->bsd_ring.irq_queue); + notify_ring(dev, &dev_priv->bsd_ring); + if (HAS_BLT(dev) && gt_iir & GT_BLT_USER_INTERRUPT) + notify_ring(dev, &dev_priv->blt_ring); if (de_iir & DE_GSE) intel_opregion_gse_intr(dev); @@ -881,6 +888,8 @@ static void i915_handle_error(struct drm_device *dev, bool wedged) wake_up_all(&dev_priv->render_ring.irq_queue); if (HAS_BSD(dev)) wake_up_all(&dev_priv->bsd_ring.irq_queue); + if (HAS_BLT(dev)) + wake_up_all(&dev_priv->blt_ring.irq_queue); } queue_work(dev_priv->wq, &dev_priv->error_work); @@ -941,7 +950,6 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) unsigned long irqflags; int irq_received; int ret = IRQ_NONE; - struct intel_ring_buffer *render_ring = &dev_priv->render_ring; atomic_inc(&dev_priv->irq_received); @@ -1018,18 +1026,10 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) READ_BREADCRUMB(dev_priv); } - if (iir & I915_USER_INTERRUPT) { - u32 seqno = render_ring->get_seqno(dev, render_ring); - render_ring->irq_gem_seqno = seqno; - trace_i915_gem_request_complete(dev, seqno); - wake_up_all(&dev_priv->render_ring.irq_queue); - dev_priv->hangcheck_count = 0; - mod_timer(&dev_priv->hangcheck_timer, - jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)); - } - + if (iir & I915_USER_INTERRUPT) + notify_ring(dev, &dev_priv->render_ring); if (HAS_BSD(dev) && (iir & I915_BSD_USER_INTERRUPT)) - wake_up_all(&dev_priv->bsd_ring.irq_queue); + notify_ring(dev, &dev_priv->bsd_ring); if (iir & I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT) { intel_prepare_page_flip(dev, 0); @@ -1358,6 +1358,12 @@ void i915_hangcheck_elapsed(unsigned long data) missed_wakeup = true; } + if (dev_priv->blt_ring.waiting_gem_seqno && + waitqueue_active(&dev_priv->blt_ring.irq_queue)) { + wake_up_all(&dev_priv->blt_ring.irq_queue); + missed_wakeup = true; + } + if (missed_wakeup) DRM_ERROR("Hangcheck timer elapsed... GPU idle, missed IRQ.\n"); return; @@ -1443,8 +1449,12 @@ static int ironlake_irq_postinstall(struct drm_device *dev) I915_WRITE(DEIER, dev_priv->de_irq_enable_reg); (void) I915_READ(DEIER); - if (IS_GEN6(dev)) - render_mask = GT_PIPE_NOTIFY | GT_GEN6_BSD_USER_INTERRUPT; + if (IS_GEN6(dev)) { + render_mask = + GT_PIPE_NOTIFY | + GT_GEN6_BSD_USER_INTERRUPT | + GT_BLT_USER_INTERRUPT; + } dev_priv->gt_irq_mask_reg = ~render_mask; dev_priv->gt_irq_enable_reg = render_mask; @@ -1454,6 +1464,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev) if (IS_GEN6(dev)) { I915_WRITE(GEN6_RENDER_IMR, ~GEN6_RENDER_PIPE_CONTROL_NOTIFY_INTERRUPT); I915_WRITE(GEN6_BSD_IMR, ~GEN6_BSD_IMR_USER_INTERRUPT); + I915_WRITE(GEN6_BLITTER_IMR, ~GEN6_BLITTER_USER_INTERRUPT); } I915_WRITE(GTIER, dev_priv->gt_irq_enable_reg); @@ -1523,9 +1534,10 @@ int i915_driver_irq_postinstall(struct drm_device *dev) u32 error_mask; DRM_INIT_WAITQUEUE(&dev_priv->render_ring.irq_queue); - if (HAS_BSD(dev)) DRM_INIT_WAITQUEUE(&dev_priv->bsd_ring.irq_queue); + if (HAS_BLT(dev)) + DRM_INIT_WAITQUEUE(&dev_priv->blt_ring.irq_queue); dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; |