drm/i915: Include the last semaphore sync point in the error-state

Should be useful to know what the driver thought the other ring's seqno
was when it last used a semaphore.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 45491c1ac7de..79589bbff3db 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -197,6 +197,7 @@ struct drm_i915_error_state {
         u32 instdone[I915_NUM_RINGS];
         u32 acthd[I915_NUM_RINGS];
         u32 semaphore_mboxes[I915_NUM_RINGS][I915_NUM_RINGS - 1];
+        u32 semaphore_seqno[I915_NUM_RINGS][I915_NUM_RINGS - 1];
         u32 rc_psmi[I915_NUM_RINGS]; /* sleep state */
         /* our own tracking of ring head and tail */
         u32 cpu_ring_head[I915_NUM_RINGS];