From 22cc440eae52d805ced3b9c3fcd42713d748140f Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sat, 4 Feb 2017 11:05:19 +0000 Subject: [PATCH] drm/i915: Print execlists restart after reset After resetting, show the requests that each engine restarts from in the debug log. Signed-off-by: Chris Wilson Cc: Mika Kuoppala Link: http://patchwork.freedesktop.org/patch/msgid/20170204110519.7645-1-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala --- 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 44a92ea464ba..754f77c394fb 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1254,6 +1254,11 @@ out: 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; @@ -1279,6 +1284,10 @@ 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 (!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); -- 2.20.1