drm/i915/selftests: Use friendly request names for live_timeslice_rewind

Rather than mixing [012] and (A1, A2, B2) for the request indices, use
the enums throughout.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200616185518.11948-2-chris@chris-wilson.co.uk

diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index ad8692eccd6592087ee20452ea4ea20ae24f131c..b8b7b91019f462b037a04dd747e7ae6836c3297b 100644 (file)
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -1177,18 +1177,18 @@ static int live_timeslice_rewind(void *arg)
                        goto err;
                }
 
-               rq[0] = create_rewinder(ce, NULL, slot, X);
-               if (IS_ERR(rq[0])) {
+               rq[A1] = create_rewinder(ce, NULL, slot, X);
+               if (IS_ERR(rq[A1])) {
                        intel_context_put(ce);
                        goto err;
                }
 
-               rq[1] = create_rewinder(ce, NULL, slot, Y);
+               rq[A2] = create_rewinder(ce, NULL, slot, Y);
                intel_context_put(ce);
-               if (IS_ERR(rq[1]))
+               if (IS_ERR(rq[A2]))
                        goto err;
 
-               err = wait_for_submit(engine, rq[1], HZ / 2);
+               err = wait_for_submit(engine, rq[A2], HZ / 2);
                if (err) {
                        pr_err("%s: failed to submit first context\n",
                               engine->name);
@@ -1201,12 +1201,12 @@ static int live_timeslice_rewind(void *arg)
                        goto err;
                }
 
-               rq[2] = create_rewinder(ce, rq[0], slot, Z);
+               rq[B1] = create_rewinder(ce, rq[A1], slot, Z);
                intel_context_put(ce);
                if (IS_ERR(rq[2]))
                        goto err;
 
-               err = wait_for_submit(engine, rq[2], HZ / 2);
+               err = wait_for_submit(engine, rq[B1], HZ / 2);
                if (err) {
                        pr_err("%s: failed to submit second context\n",
                               engine->name);
@@ -1214,6 +1214,7 @@ static int live_timeslice_rewind(void *arg)
                }
 
                /* ELSP[] = { { A:rq1, A:rq2 }, { B:rq1 } } */
+               ENGINE_TRACE(engine, "forcing tasklet for rewind\n");
                if (i915_request_is_active(rq[A2])) { /* semaphore yielded! */
                        /* Wait for the timeslice to kick in */
                        del_timer(&engine->execlists.timer);