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Commit 22cc440e authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Print execlists restart after reset 



After resetting, show the requests that each engine restarts from in the
debug log.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170204110519.7645-1-chris@chris-wilson.co.uk


Reviewed-by: default avatarMika Kuoppala <mika.kuoppala@intel.com>
parent ba318c61

drivers/gpu/drm/i915/intel_lrc.c

+9 −0
Original line number Diff line number Diff line
@@ -1254,6 +1254,11 @@ 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;
@@ -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);