So that we can tally the request against the command sequence in the
ringbuffer, or merely jump to the interesting locations.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_debugfs.c | 5 +++--
drivers/gpu/drm/i915/i915_drv.h | 1 +
drivers/gpu/drm/i915/i915_irq.c | 1 +
3 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 28089f7..4c1c47d 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -810,9 +810,10 @@ static int i915_error_state(struct seq_file *m, void *unused)
dev_priv->ring[i].name,
error->ring[i].num_requests);
for (j = 0; j < error->ring[i].num_requests; j++) {
- seq_printf(m, "%d: emitted %ld\n",
+ seq_printf(m, "%d: emitted %ld, tail %d\n",
error->ring[i].requests[j].seqno,
- error->ring[i].requests[j].jiffies);
+ error->ring[i].requests[j].jiffies,
+ error->ring[i].requests[j].tail);
}
}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8f6ae11..3ab593b 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -181,6 +181,7 @@ struct drm_i915_error_state {
struct drm_i915_error_request {
long jiffies;
u32 seqno;
+ u32 tail;
} *requests;
int num_requests;
} ring[I915_NUM_RINGS];
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 24f8928..0d28e87 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -966,6 +966,7 @@ static void i915_gem_record_rings(struct drm_device *dev,
erq = &error->ring[i].requests[count++];
erq->seqno = request->seqno;
erq->jiffies = request->emitted_jiffies;
+ erq->tail = request->tail;
}
}
}
--
1.7.9
