X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fi915_irq.c;h=729fd0c91d7b2c1f30de2afacae4227238ccdbd5;hb=0671b7674f42ab3a200401ea0e48d6f47d34acae;hp=64c07c24e3001af891f8ed659a2ecfc4aad7026b;hpb=2fa772f34042cd4ddfb4ffaf5c24f0ce8c1025e9;p=pandora-kernel.git diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 64c07c24e300..729fd0c91d7b 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -293,13 +293,26 @@ 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; int ret = IRQ_NONE; 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)) @@ -317,6 +330,11 @@ static irqreturn_t ironlake_irq_handler(struct drm_device *dev) if (de_iir == 0 && gt_iir == 0 && pch_iir == 0) goto done; + if (HAS_PCH_CPT(dev)) + hotplug_mask = SDE_HOTPLUG_MASK_CPT; + else + hotplug_mask = SDE_HOTPLUG_MASK; + ret = IRQ_HANDLED; if (dev->primary->master) { @@ -326,17 +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); @@ -358,10 +371,8 @@ static irqreturn_t ironlake_irq_handler(struct drm_device *dev) drm_handle_vblank(dev, 1); /* check event from PCH */ - if ((de_iir & DE_PCH_EVENT) && - (pch_iir & SDE_HOTPLUG_MASK)) { + if ((de_iir & DE_PCH_EVENT) && (pch_iir & hotplug_mask)) queue_work(dev_priv->wq, &dev_priv->hotplug_work); - } if (de_iir & DE_PCU_EVENT) { I915_WRITE16(MEMINTRSTS, I915_READ(MEMINTRSTS)); @@ -445,10 +456,9 @@ i915_error_object_create(struct drm_device *dev, local_irq_save(flags); s = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping, - reloc_offset, - KM_IRQ0); + reloc_offset); memcpy_fromio(d, s, PAGE_SIZE); - io_mapping_unmap_atomic(s, KM_IRQ0); + io_mapping_unmap_atomic(s); local_irq_restore(flags); dst->pages[page] = d; @@ -604,9 +614,7 @@ static void i915_capture_error_state(struct drm_device *dev) batchbuffer[0] = NULL; batchbuffer[1] = NULL; count = 0; - list_for_each_entry(obj_priv, - &dev_priv->render_ring.active_list, list) { - + list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) { struct drm_gem_object *obj = &obj_priv->base; if (batchbuffer[0] == NULL && @@ -623,7 +631,7 @@ static void i915_capture_error_state(struct drm_device *dev) } /* Scan the other lists for completeness for those bizarre errors. */ if (batchbuffer[0] == NULL || batchbuffer[1] == NULL) { - list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, list) { + list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, mm_list) { struct drm_gem_object *obj = &obj_priv->base; if (batchbuffer[0] == NULL && @@ -641,7 +649,7 @@ static void i915_capture_error_state(struct drm_device *dev) } } if (batchbuffer[0] == NULL || batchbuffer[1] == NULL) { - list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) { + list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, mm_list) { struct drm_gem_object *obj = &obj_priv->base; if (batchbuffer[0] == NULL && @@ -660,7 +668,7 @@ static void i915_capture_error_state(struct drm_device *dev) } /* We need to copy these to an anonymous buffer as the simplest - * method to avoid being overwritten by userpace. + * method to avoid being overwritten by userspace. */ error->batchbuffer[0] = i915_error_object_create(dev, batchbuffer[0]); if (batchbuffer[1] != batchbuffer[0]) @@ -682,8 +690,7 @@ static void i915_capture_error_state(struct drm_device *dev) if (error->active_bo) { int i = 0; - list_for_each_entry(obj_priv, - &dev_priv->render_ring.active_list, list) { + list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) { struct drm_gem_object *obj = &obj_priv->base; error->active_bo[i].size = obj->size; @@ -880,6 +887,8 @@ 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); @@ -940,7 +949,6 @@ 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); @@ -1017,18 +1025,10 @@ 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); @@ -1357,6 +1357,12 @@ 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; @@ -1431,8 +1437,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev) u32 display_mask = DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT | DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE; u32 render_mask = GT_PIPE_NOTIFY | GT_BSD_USER_INTERRUPT; - u32 hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG | - SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG; + u32 hotplug_mask; dev_priv->irq_mask_reg = ~display_mask; dev_priv->de_irq_enable_reg = display_mask | DE_PIPEA_VBLANK | DE_PIPEB_VBLANK; @@ -1443,8 +1448,12 @@ 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; @@ -1454,11 +1463,20 @@ 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); (void) I915_READ(GTIER); + if (HAS_PCH_CPT(dev)) { + hotplug_mask = SDE_CRT_HOTPLUG_CPT | SDE_PORTB_HOTPLUG_CPT | + SDE_PORTC_HOTPLUG_CPT | SDE_PORTD_HOTPLUG_CPT ; + } else { + hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG | + SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG; + } + dev_priv->pch_irq_mask_reg = ~hotplug_mask; dev_priv->pch_irq_enable_reg = hotplug_mask; @@ -1515,9 +1533,10 @@ 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;