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-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c6
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h4
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c7
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 4ebca6d..f3fe2f8 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -721,8 +721,14 @@ static void i915_ring_error_state(struct seq_file *m,
if (INTEL_INFO(dev)->gen >= 6) {
seq_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]);
seq_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]);
+ seq_printf(m, " SYNC_0: 0x%08x\n",
+ error->semaphore_mboxes[ring][0]);
+ seq_printf(m, " SYNC_1: 0x%08x\n",
+ error->semaphore_mboxes[ring][1]);
}
seq_printf(m, " seqno: 0x%08x\n", error->seqno[ring]);
+ seq_printf(m, " ring->head: 0x%08x\n", error->cpu_ring_head[ring]);
+ seq_printf(m, " ring->tail: 0x%08x\n", error->cpu_ring_tail[ring]);
}
static int i915_error_state(struct seq_file *m, void *unused)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0845419..28740bc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -159,6 +159,10 @@ struct drm_i915_error_state {
u32 ipehr[I915_NUM_RINGS];
u32 instdone[I915_NUM_RINGS];
u32 acthd[I915_NUM_RINGS];
+ u32 semaphore_mboxes[I915_NUM_RINGS][I915_NUM_RINGS - 1];
+ /* our own tracking of ring head and tail */
+ u32 cpu_ring_head[I915_NUM_RINGS];
+ u32 cpu_ring_tail[I915_NUM_RINGS];
u32 error; /* gen6+ */
u32 instpm[I915_NUM_RINGS];
u32 instps[I915_NUM_RINGS];
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8ea1ca4..cde1ce9 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -903,6 +903,10 @@ static void i915_record_ring_state(struct drm_device *dev,
if (INTEL_INFO(dev)->gen >= 6) {
error->faddr[ring->id] = I915_READ(RING_DMA_FADD(ring->mmio_base));
error->fault_reg[ring->id] = I915_READ(RING_FAULT_REG(ring));
+ error->semaphore_mboxes[ring->id][0]
+ = I915_READ(RING_SYNC_0(ring->mmio_base));
+ error->semaphore_mboxes[ring->id][1]
+ = I915_READ(RING_SYNC_1(ring->mmio_base));
}
if (INTEL_INFO(dev)->gen >= 4) {
@@ -925,6 +929,9 @@ static void i915_record_ring_state(struct drm_device *dev,
error->acthd[ring->id] = intel_ring_get_active_head(ring);
error->head[ring->id] = I915_READ_HEAD(ring);
error->tail[ring->id] = I915_READ_TAIL(ring);
+
+ error->cpu_ring_head[ring->id] = ring->head;
+ error->cpu_ring_tail[ring->id] = ring->tail;
}
/**
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