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path: root/drivers/gpu/drm/i915/gt/selftest_lrc.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_lrc.c')
-rw-r--r--drivers/gpu/drm/i915/gt/selftest_lrc.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 6f06ba750a0a..f95ae15ce865 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -929,7 +929,7 @@ create_rewinder(struct intel_context *ce,
goto err;
}
- cs = intel_ring_begin(rq, 10);
+ cs = intel_ring_begin(rq, 14);
if (IS_ERR(cs)) {
err = PTR_ERR(cs);
goto err;
@@ -941,8 +941,8 @@ create_rewinder(struct intel_context *ce,
*cs++ = MI_SEMAPHORE_WAIT |
MI_SEMAPHORE_GLOBAL_GTT |
MI_SEMAPHORE_POLL |
- MI_SEMAPHORE_SAD_NEQ_SDD;
- *cs++ = 0;
+ MI_SEMAPHORE_SAD_GTE_SDD;
+ *cs++ = idx;
*cs++ = offset;
*cs++ = 0;
@@ -951,6 +951,11 @@ create_rewinder(struct intel_context *ce,
*cs++ = offset + idx * sizeof(u32);
*cs++ = 0;
+ *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
+ *cs++ = offset;
+ *cs++ = 0;
+ *cs++ = idx + 1;
+
intel_ring_advance(rq, cs);
rq->sched.attr.priority = I915_PRIORITY_MASK;
@@ -984,7 +989,7 @@ static int live_timeslice_rewind(void *arg)
for_each_engine(engine, gt, id) {
enum { A1, A2, B1 };
- enum { X = 1, Y, Z };
+ enum { X = 1, Z, Y };
struct i915_request *rq[3] = {};
struct intel_context *ce;
unsigned long heartbeat;
@@ -1017,13 +1022,13 @@ static int live_timeslice_rewind(void *arg)
goto err;
}
- rq[0] = create_rewinder(ce, NULL, slot, 1);
+ rq[0] = create_rewinder(ce, NULL, slot, X);
if (IS_ERR(rq[0])) {
intel_context_put(ce);
goto err;
}
- rq[1] = create_rewinder(ce, NULL, slot, 2);
+ rq[1] = create_rewinder(ce, NULL, slot, Y);
intel_context_put(ce);
if (IS_ERR(rq[1]))
goto err;
@@ -1041,7 +1046,7 @@ static int live_timeslice_rewind(void *arg)
goto err;
}
- rq[2] = create_rewinder(ce, rq[0], slot, 3);
+ rq[2] = create_rewinder(ce, rq[0], slot, Z);
intel_context_put(ce);
if (IS_ERR(rq[2]))
goto err;
@@ -1055,15 +1060,12 @@ static int live_timeslice_rewind(void *arg)
GEM_BUG_ON(!timer_pending(&engine->execlists.timer));
/* ELSP[] = { { A:rq1, A:rq2 }, { B:rq1 } } */
- GEM_BUG_ON(!i915_request_is_active(rq[A1]));
- GEM_BUG_ON(!i915_request_is_active(rq[A2]));
- GEM_BUG_ON(!i915_request_is_active(rq[B1]));
-
- /* Wait for the timeslice to kick in */
- del_timer(&engine->execlists.timer);
- tasklet_hi_schedule(&engine->execlists.tasklet);
- intel_engine_flush_submission(engine);
-
+ if (i915_request_is_active(rq[A2])) { /* semaphore yielded! */
+ /* Wait for the timeslice to kick in */
+ del_timer(&engine->execlists.timer);
+ tasklet_hi_schedule(&engine->execlists.tasklet);
+ intel_engine_flush_submission(engine);
+ }
/* -> ELSP[] = { { A:rq1 }, { B:rq1 } } */
GEM_BUG_ON(!i915_request_is_active(rq[A1]));
GEM_BUG_ON(!i915_request_is_active(rq[B1]));