After resetting, show the requests that each engine restarts from in the
debug log.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_lrc.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index ad55564350b4..39a4eaadd0a7 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1257,6 +1257,11 @@ static int intel_init_workaround_bb(struct intel_engine_cs *engine)
return ret;
}
+static u32 port_seqno(struct execlist_port *port)
+{
+ return port->request ? port->request->global_seqno : 0;
+}
+
static int gen8_init_common_ring(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
@@ -1282,6 +1287,10 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine)
/* After a GPU reset, we may have requests to replay */
clear_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
if (!i915.enable_guc_submission && !execlists_elsp_idle(engine)) {
+ DRM_DEBUG_DRIVER("Restarting %s from requests [0x%x, 0x%x]\n",
+ engine->name,
+ port_seqno(&engine->execlist_port[0]),
+ port_seqno(&engine->execlist_port[1]));
engine->execlist_port[0].count = 0;
engine->execlist_port[1].count = 0;
execlists_submit_ports(engine);
--
2.11.0
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