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drm/i915: Record the position of the request upon error

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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@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2012-02-15 11:25:38 +00:00 committed by Daniel Vetter
parent 52d39a2135
commit ee4f42b10b
3 changed files with 5 additions and 2 deletions
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5
drivers/gpu/drm/i915/i915_debugfs.c
View file

@ -799,9 +799,10 @@ 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, " seqno 0x%08x, emitted %ld\n",
seq_printf(m, " seqno 0x%08x, emitted %ld, tail 0x%08x\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);
}
}

1
drivers/gpu/drm/i915/i915_drv.h
View file

@ -183,6 +183,7 @@ struct drm_i915_error_state {
struct drm_i915_error_request {
long jiffies;
u32 seqno;
u32 tail;
} *requests;
int num_requests;
} ring[I915_NUM_RINGS];

1
drivers/gpu/drm/i915/i915_irq.c
View file

@ -975,6 +975,7 @@ 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;
}
}
}