Check that we do not submit two contexts into ELSP with the same CCID [upper portion of the descriptor]. References: https://gitlab.freedesktop.org/drm/intel/-/issues/1793 Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/gt/intel_lrc.c | 37 ++++++++++++++++++++++------- 1 file changed, 28 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index e84d277d1f02..8fffbeaef8b0 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -1621,9 +1621,12 @@ static __maybe_unused bool assert_pending_valid(const struct intel_engine_execlists *execlists, const char *msg) { + struct intel_engine_cs *engine = + container_of(execlists, typeof(*engine), execlists); struct i915_request * const *port, *rq; struct intel_context *ce = NULL; bool sentinel = false; + u32 ccid = -1; trace_ports(execlists, msg, execlists->pending); @@ -1632,13 +1635,14 @@ assert_pending_valid(const struct intel_engine_execlists *execlists, return true; if (!execlists->pending[0]) { - GEM_TRACE_ERR("Nothing pending for promotion!\n"); + GEM_TRACE_ERR("%s: Nothing pending for promotion!\n", + engine->name); return false; } if (execlists->pending[execlists_num_ports(execlists)]) { - GEM_TRACE_ERR("Excess pending[%d] for promotion!\n", - execlists_num_ports(execlists)); + GEM_TRACE_ERR("%s: Excess pending[%d] for promotion!\n", + engine->name, execlists_num_ports(execlists)); return false; } @@ -1650,20 +1654,31 @@ assert_pending_valid(const struct intel_engine_execlists *execlists, GEM_BUG_ON(!i915_request_is_active(rq)); if (ce == rq->context) { - GEM_TRACE_ERR("Dup context:%llx in pending[%zd]\n", + GEM_TRACE_ERR("%s: Dup context:%llx in pending[%zd]\n", + engine->name, ce->timeline->fence_context, port - execlists->pending); return false; } ce = rq->context; + if (ccid == upper_32_bits(ce->lrc_desc)) { + GEM_TRACE_ERR("%s: Dup ccid:%x context:%llx in pending[%zd]\n", + engine->name, + ccid, ce->timeline->fence_context, + port - execlists->pending); + return false; + } + ccid = upper_32_bits(ce->lrc_desc); + /* * Sentinels are supposed to be lonely so they flush the * current exection off the HW. Check that they are the * only request in the pending submission. */ if (sentinel) { - GEM_TRACE_ERR("context:%llx after sentinel in pending[%zd]\n", + GEM_TRACE_ERR("%s: context:%llx after sentinel in pending[%zd]\n", + engine->name, ce->timeline->fence_context, port - execlists->pending); return false; @@ -1671,7 +1686,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists, sentinel = i915_request_has_sentinel(rq); if (sentinel && port != execlists->pending) { - GEM_TRACE_ERR("sentinel context:%llx not in prime position[%zd]\n", + GEM_TRACE_ERR("%s: sentinel context:%llx not in prime position[%zd]\n", + engine->name, ce->timeline->fence_context, port - execlists->pending); return false; @@ -1686,7 +1702,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists, if (i915_active_is_idle(&ce->active) && !intel_context_is_barrier(ce)) { - GEM_TRACE_ERR("Inactive context:%llx in pending[%zd]\n", + GEM_TRACE_ERR("%s: Inactive context:%llx in pending[%zd]\n", + engine->name, ce->timeline->fence_context, port - execlists->pending); ok = false; @@ -1694,7 +1711,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists, } if (!i915_vma_is_pinned(ce->state)) { - GEM_TRACE_ERR("Unpinned context:%llx in pending[%zd]\n", + GEM_TRACE_ERR("%s: Unpinned context:%llx in pending[%zd]\n", + engine->name, ce->timeline->fence_context, port - execlists->pending); ok = false; @@ -1702,7 +1720,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists, } if (!i915_vma_is_pinned(ce->ring->vma)) { - GEM_TRACE_ERR("Unpinned ring:%llx in pending[%zd]\n", + GEM_TRACE_ERR("%s: Unpinned ring:%llx in pending[%zd]\n", + engine->name, ce->timeline->fence_context, port - execlists->pending); ok = false; -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
