提交 16a87394 编写于 作者: C Chris Wilson

drm/i915: Tidy up GEM_TRACE around execlists

Looking at the coordination of resets with the submission of execlists,
it will be useful to have a GEM_TRACE for when we issue the reset.
Whilst there tidy up the other GEM_TRACE to always include the engine
name, and be careful not to trust any pointers prior to asserts.
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: NTvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171220090626.31643-1-chris@chris-wilson.co.uk
上级 14c6547d
......@@ -504,7 +504,7 @@ static void inject_preempt_context(struct intel_engine_cs *engine)
ce->ring->tail &= (ce->ring->size - 1);
ce->lrc_reg_state[CTX_RING_TAIL+1] = ce->ring->tail;
GEM_TRACE("\n");
GEM_TRACE("%s\n", engine->name);
for (n = execlists_num_ports(&engine->execlists); --n; )
elsp_write(0, engine->execlists.elsp);
......@@ -906,7 +906,7 @@ static void execlists_submission_tasklet(unsigned long data)
GEM_TRACE("%s out[0]: ctx=%d.%d, seqno=%x\n",
engine->name,
port->context_id, count,
rq->global_seqno);
rq ? rq->global_seqno : 0);
GEM_BUG_ON(count == 0);
if (--count == 0) {
GEM_BUG_ON(status & GEN8_CTX_STATUS_PREEMPTED);
......@@ -1555,6 +1555,8 @@ static void reset_common_ring(struct intel_engine_cs *engine,
struct intel_context *ce;
unsigned long flags;
GEM_TRACE("%s seqno=%x\n",
engine->name, request ? request->global_seqno : 0);
spin_lock_irqsave(&engine->timeline->lock, flags);
/*
......
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