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(ring);
+ ring->irq_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;
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))
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);
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;
DRM_DEBUG_DRIVER("generating error event\n");
error->seqno =
- dev_priv->render_ring.get_seqno(dev, &dev_priv->render_ring);
+ dev_priv->render_ring.get_seqno(&dev_priv->render_ring);
error->eir = I915_READ(EIR);
error->pgtbl_er = I915_READ(PGTBL_ER);
error->pipeastat = I915_READ(PIPEASTAT);
error->pipebstat = I915_READ(PIPEBSTAT);
error->instpm = I915_READ(INSTPM);
- if (INTEL_INFO(dev)->gen < 4) {
- error->ipeir = I915_READ(IPEIR);
- error->ipehr = I915_READ(IPEHR);
- error->instdone = I915_READ(INSTDONE);
- error->acthd = I915_READ(ACTHD);
- error->bbaddr = 0;
- } else {
+ error->error = 0;
+ if (INTEL_INFO(dev)->gen >= 6) {
+ error->error = I915_READ(ERROR_GEN6);
+
+ error->bcs_acthd = I915_READ(BCS_ACTHD);
+ error->bcs_ipehr = I915_READ(BCS_IPEHR);
+ error->bcs_ipeir = I915_READ(BCS_IPEIR);
+ error->bcs_instdone = I915_READ(BCS_INSTDONE);
+ error->bcs_seqno = 0;
+ if (dev_priv->blt_ring.get_seqno)
+ error->bcs_seqno = dev_priv->blt_ring.get_seqno(&dev_priv->blt_ring);
+
+ error->vcs_acthd = I915_READ(VCS_ACTHD);
+ error->vcs_ipehr = I915_READ(VCS_IPEHR);
+ error->vcs_ipeir = I915_READ(VCS_IPEIR);
+ error->vcs_instdone = I915_READ(VCS_INSTDONE);
+ error->vcs_seqno = 0;
+ if (dev_priv->bsd_ring.get_seqno)
+ error->vcs_seqno = dev_priv->bsd_ring.get_seqno(&dev_priv->bsd_ring);
+ }
+ if (INTEL_INFO(dev)->gen >= 4) {
error->ipeir = I915_READ(IPEIR_I965);
error->ipehr = I915_READ(IPEHR_I965);
error->instdone = I915_READ(INSTDONE_I965);
error->instdone1 = I915_READ(INSTDONE1);
error->acthd = I915_READ(ACTHD_I965);
error->bbaddr = I915_READ64(BB_ADDR);
+ } else {
+ error->ipeir = I915_READ(IPEIR);
+ error->ipehr = I915_READ(IPEHR);
+ error->instdone = I915_READ(INSTDONE);
+ error->acthd = I915_READ(ACTHD);
+ error->bbaddr = 0;
}
bbaddr = i915_ringbuffer_last_batch(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 &&
}
/* 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 &&
}
}
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 &&
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;
error->active_bo[i].tiling = obj_priv->tiling_mode;
error->active_bo[i].dirty = obj_priv->dirty;
error->active_bo[i].purgeable = obj_priv->madv != I915_MADV_WILLNEED;
+ error->active_bo[i].ring = obj_priv->ring->id;
if (++i == count)
break;
* so userspace knows something bad happened (should trigger collection
* of a ring dump etc.).
*/
-static void i915_handle_error(struct drm_device *dev, bool wedged)
+void i915_handle_error(struct drm_device *dev, bool wedged)
{
struct drm_i915_private *dev_priv = dev->dev_private;
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);
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);
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);
if (master_priv->sarea_priv)
master_priv->sarea_priv->last_enqueue = dev_priv->counter;
- BEGIN_LP_RING(4);
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->counter);
- OUT_RING(MI_USER_INTERRUPT);
- ADVANCE_LP_RING();
+ if (BEGIN_LP_RING(4) == 0) {
+ OUT_RING(MI_STORE_DWORD_INDEX);
+ OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(MI_USER_INTERRUPT);
+ ADVANCE_LP_RING();
+ }
return dev_priv->counter;
}
struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
if (dev_priv->trace_irq_seqno == 0)
- render_ring->user_irq_get(dev, render_ring);
+ render_ring->user_irq_get(render_ring);
dev_priv->trace_irq_seqno = seqno;
}
if (master_priv->sarea_priv)
master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
- render_ring->user_irq_get(dev, render_ring);
+ render_ring->user_irq_get(render_ring);
DRM_WAIT_ON(ret, dev_priv->render_ring.irq_queue, 3 * DRM_HZ,
READ_BREADCRUMB(dev_priv) >= irq_nr);
- render_ring->user_irq_put(dev, render_ring);
+ render_ring->user_irq_put(render_ring);
if (ret == -EBUSY) {
DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
return -EINVAL;
}
-static struct drm_i915_gem_request *
-i915_get_tail_request(struct drm_device *dev)
+static u32
+ring_last_seqno(struct intel_ring_buffer *ring)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- return list_entry(dev_priv->render_ring.request_list.prev,
- struct drm_i915_gem_request, list);
+ return list_entry(ring->request_list.prev,
+ struct drm_i915_gem_request, list)->seqno;
+}
+
+static bool i915_hangcheck_ring_idle(struct intel_ring_buffer *ring, bool *err)
+{
+ if (list_empty(&ring->request_list) ||
+ i915_seqno_passed(ring->get_seqno(ring), ring_last_seqno(ring))) {
+ /* Issue a wake-up to catch stuck h/w. */
+ if (ring->waiting_seqno && waitqueue_active(&ring->irq_queue)) {
+ DRM_ERROR("Hangcheck timer elapsed... %s idle [waiting on %d, at %d], missed IRQ?\n",
+ ring->name,
+ ring->waiting_seqno,
+ ring->get_seqno(ring));
+ wake_up_all(&ring->irq_queue);
+ *err = true;
+ }
+ return true;
+ }
+ return false;
}
/**
struct drm_device *dev = (struct drm_device *)data;
drm_i915_private_t *dev_priv = dev->dev_private;
uint32_t acthd, instdone, instdone1;
+ bool err = false;
+
+ /* If all work is done then ACTHD clearly hasn't advanced. */
+ if (i915_hangcheck_ring_idle(&dev_priv->render_ring, &err) &&
+ i915_hangcheck_ring_idle(&dev_priv->bsd_ring, &err) &&
+ i915_hangcheck_ring_idle(&dev_priv->blt_ring, &err)) {
+ dev_priv->hangcheck_count = 0;
+ if (err)
+ goto repeat;
+ return;
+ }
if (INTEL_INFO(dev)->gen < 4) {
acthd = I915_READ(ACTHD);
instdone1 = I915_READ(INSTDONE1);
}
- /* If all work is done then ACTHD clearly hasn't advanced. */
- if (list_empty(&dev_priv->render_ring.request_list) ||
- i915_seqno_passed(dev_priv->render_ring.get_seqno(dev, &dev_priv->render_ring),
- i915_get_tail_request(dev)->seqno)) {
- bool missed_wakeup = false;
-
- dev_priv->hangcheck_count = 0;
-
- /* Issue a wake-up to catch stuck h/w. */
- if (dev_priv->render_ring.waiting_gem_seqno &&
- waitqueue_active(&dev_priv->render_ring.irq_queue)) {
- wake_up_all(&dev_priv->render_ring.irq_queue);
- missed_wakeup = true;
- }
-
- if (dev_priv->bsd_ring.waiting_gem_seqno &&
- waitqueue_active(&dev_priv->bsd_ring.irq_queue)) {
- wake_up_all(&dev_priv->bsd_ring.irq_queue);
- missed_wakeup = true;
- }
-
- if (missed_wakeup)
- DRM_ERROR("Hangcheck timer elapsed... GPU idle, missed IRQ.\n");
- return;
- }
-
if (dev_priv->last_acthd == acthd &&
dev_priv->last_instdone == instdone &&
dev_priv->last_instdone1 == instdone1) {
if (tmp & RING_WAIT) {
I915_WRITE(PRB0_CTL, tmp);
POSTING_READ(PRB0_CTL);
- goto out;
+ goto repeat;
}
}
dev_priv->last_instdone1 = instdone1;
}
-out:
+repeat:
/* Reset timer case chip hangs without another request being added */
mod_timer(&dev_priv->hangcheck_timer,
jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
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;
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);
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;