Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e084039b authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915/execlists: Move the GEM_BUG_ON context matches CSB later 



Print out the current request/context before doing the GEM_BUG_ON, so
that we can inspect the values in the ftrace.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180221152301.9178-1-chris@chris-wilson.co.uk
parent 65cb8c0f

drivers/gpu/drm/i915/intel_lrc.c

+4 −3
Original line number Diff line number Diff line
@@ -863,14 +863,15 @@ static void execlists_submission_tasklet(unsigned long data) 
			GEM_BUG_ON(!execlists_is_active(execlists,

							EXECLISTS_ACTIVE_USER));



			/* Check the context/desc id for this event matches */

			GEM_DEBUG_BUG_ON(buf[2 * head + 1] != port->context_id);



			rq = port_unpack(port, &count);

			GEM_TRACE("%s out[0]: ctx=%d.%d, seqno=%x\n",

				  engine->name,

				  port->context_id, count,

				  rq ? rq->global_seqno : 0);



			/* Check the context/desc id for this event matches */

			GEM_DEBUG_BUG_ON(buf[2 * head + 1] != port->context_id);



			GEM_BUG_ON(count == 0);

			if (--count == 0) {

				GEM_BUG_ON(status & GEN8_CTX_STATUS_PREEMPTED);