From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0CB38C25B78 for ; Wed, 22 May 2024 20:52:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8471F10EF91; Wed, 22 May 2024 20:52:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="BGt27tR3"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id 36A4110F23A for ; Wed, 22 May 2024 20:52:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716411160; x=1747947160; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=u9X8wip/L3+0Os+/Z7dhS8fsDL1VPtUDSF6sePCETDI=; b=BGt27tR33TxSSUzYvJnLz/p6QB2NkTf0Bry0HKOK8zzrnbRhx2LQ1j6M QLu8W1JFr5kdNkpfp3Mx6KpC5n3olCK1LOG5gcC32Tm/SVd3M44mcHFl4 uazfYQerNoyTvy1MFdVtezaxTu3wiHkJikWPJreJdtDPZWFoE1pnWnVPP qIzz3bXTJxqFwVo8MumZAaUt83FRagd/NgFqa5lel9kGNrAaVHwFSMfxC OUEAYGKsrjALTEV4mpSA8CjXBPqMqBpUyeM0vJqCrZPVwi4jdVt1DNW9w 2/XRXoXnkmBwN+7IAuEtHw75K1PWlrVQ5ie+tV2s1B8iHRUDMOLLrObUN Q==; X-CSE-ConnectionGUID: LGm4iD7HSOu9VRX49vXmnQ== X-CSE-MsgGUID: cd+HTVB2Q0OTLD0cTweM8w== X-IronPort-AV: E=McAfee;i="6600,9927,11080"; a="38073517" X-IronPort-AV: E=Sophos;i="6.08,181,1712646000"; d="scan'208";a="38073517" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 May 2024 13:52:39 -0700 X-CSE-ConnectionGUID: lC0ZWo8gSUeHqix1OmL8lw== X-CSE-MsgGUID: lTF6x0ONT2CxV2d8KtZR3g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,181,1712646000"; d="scan'208";a="37804778" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 May 2024 13:52:39 -0700 From: Matthew Brost To: Cc: Matthew Brost , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= , Matthew Brost Subject: [RFC PATCH] drm/xe: Docouple job seqno and lrc seqno Date: Wed, 22 May 2024 13:52:50 -0700 Message-Id: <20240522205250.1578514-1-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Tightly coupling these seqno presents problems if alternative fences for jobs are used. Best to decouple these for correctness. Cc: Thomas Hellström Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_exec_queue.c | 2 +- drivers/gpu/drm/xe/xe_guc_submit.c | 5 +++-- drivers/gpu/drm/xe/xe_ring_ops.c | 10 +++++----- drivers/gpu/drm/xe/xe_sched_job.c | 12 ++++++------ drivers/gpu/drm/xe/xe_sched_job.h | 5 +++++ drivers/gpu/drm/xe/xe_sched_job_types.h | 2 ++ drivers/gpu/drm/xe/xe_trace.h | 7 +++++-- 7 files changed, 27 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index 395de93579fa..e4607f0e3456 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -98,7 +98,7 @@ static struct xe_exec_queue *__xe_exec_queue_alloc(struct xe_device *xe, if (xe_exec_queue_is_parallel(q)) { q->parallel.composite_fence_ctx = dma_fence_context_alloc(1); - q->parallel.composite_fence_seqno = XE_FENCE_INITIAL_SEQNO; + q->parallel.composite_fence_seqno = 0; } return q; diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c index 4efb88e3e056..0a6a9471f1ce 100644 --- a/drivers/gpu/drm/xe/xe_guc_submit.c +++ b/drivers/gpu/drm/xe/xe_guc_submit.c @@ -973,8 +973,9 @@ guc_exec_queue_timedout_job(struct drm_sched_job *drm_job) return DRM_GPU_SCHED_STAT_NOMINAL; } - drm_notice(&xe->drm, "Timedout job: seqno=%u, guc_id=%d, flags=0x%lx", - xe_sched_job_seqno(job), q->guc->id, q->flags); + drm_notice(&xe->drm, "Timedout job: seqno=%u, lrc_seqno=%d, guc_id=%d, flags=0x%lx", + xe_sched_job_seqno(job), xe_sched_job_lrc_seqno(job), + q->guc->id, q->flags); xe_gt_WARN(q->gt, q->flags & EXEC_QUEUE_FLAG_KERNEL, "Kernel-submitted job timed out\n"); xe_gt_WARN(q->gt, q->flags & EXEC_QUEUE_FLAG_VM && !exec_queue_killed(q), diff --git a/drivers/gpu/drm/xe/xe_ring_ops.c b/drivers/gpu/drm/xe/xe_ring_ops.c index a3ca718456f6..78bec455b714 100644 --- a/drivers/gpu/drm/xe/xe_ring_ops.c +++ b/drivers/gpu/drm/xe/xe_ring_ops.c @@ -398,7 +398,7 @@ static void emit_job_gen12_gsc(struct xe_sched_job *job) __emit_job_gen12_simple(job, job->q->lrc, job->batch_addr[0], - xe_sched_job_seqno(job)); + xe_sched_job_lrc_seqno(job)); } static void emit_job_gen12_copy(struct xe_sched_job *job) @@ -407,14 +407,14 @@ static void emit_job_gen12_copy(struct xe_sched_job *job) if (xe_sched_job_is_migration(job->q)) { emit_migration_job_gen12(job, job->q->lrc, - xe_sched_job_seqno(job)); + xe_sched_job_lrc_seqno(job)); return; } for (i = 0; i < job->q->width; ++i) __emit_job_gen12_simple(job, job->q->lrc + i, job->batch_addr[i], - xe_sched_job_seqno(job)); + xe_sched_job_lrc_seqno(job)); } static void emit_job_gen12_video(struct xe_sched_job *job) @@ -425,7 +425,7 @@ static void emit_job_gen12_video(struct xe_sched_job *job) for (i = 0; i < job->q->width; ++i) __emit_job_gen12_video(job, job->q->lrc + i, job->batch_addr[i], - xe_sched_job_seqno(job)); + xe_sched_job_lrc_seqno(job)); } static void emit_job_gen12_render_compute(struct xe_sched_job *job) @@ -435,7 +435,7 @@ static void emit_job_gen12_render_compute(struct xe_sched_job *job) for (i = 0; i < job->q->width; ++i) __emit_job_gen12_render_compute(job, job->q->lrc + i, job->batch_addr[i], - xe_sched_job_seqno(job)); + xe_sched_job_lrc_seqno(job)); } static const struct xe_ring_ops ring_ops_gen12_gsc = { diff --git a/drivers/gpu/drm/xe/xe_sched_job.c b/drivers/gpu/drm/xe/xe_sched_job.c index cd8a2fba5438..b7b1669d0bea 100644 --- a/drivers/gpu/drm/xe/xe_sched_job.c +++ b/drivers/gpu/drm/xe/xe_sched_job.c @@ -117,6 +117,7 @@ struct xe_sched_job *xe_sched_job_create(struct xe_exec_queue *q, err = PTR_ERR(job->fence); goto err_sched_job; } + job->lrc_seqno = job->fence->seqno; } else { struct dma_fence_array *cf; @@ -132,6 +133,8 @@ struct xe_sched_job *xe_sched_job_create(struct xe_exec_queue *q, err = PTR_ERR(fences[j]); goto err_fences; } + if (!j) + job->lrc_seqno = fences[0]->seqno; } cf = dma_fence_array_create(q->width, fences, @@ -144,10 +147,6 @@ struct xe_sched_job *xe_sched_job_create(struct xe_exec_queue *q, goto err_fences; } - /* Sanity check */ - for (j = 0; j < q->width; ++j) - xe_assert(job_to_xe(job), cf->base.seqno == fences[j]->seqno); - job->fence = &cf->base; } @@ -233,7 +232,7 @@ bool xe_sched_job_started(struct xe_sched_job *job) { struct xe_lrc *lrc = job->q->lrc; - return !__dma_fence_is_later(xe_sched_job_seqno(job), + return !__dma_fence_is_later(xe_sched_job_lrc_seqno(job), xe_lrc_start_seqno(lrc), job->fence->ops); } @@ -247,7 +246,8 @@ bool xe_sched_job_completed(struct xe_sched_job *job) * parallel handshake is done. */ - return !__dma_fence_is_later(xe_sched_job_seqno(job), xe_lrc_seqno(lrc), + return !__dma_fence_is_later(xe_sched_job_lrc_seqno(job), + xe_lrc_seqno(lrc), job->fence->ops); } diff --git a/drivers/gpu/drm/xe/xe_sched_job.h b/drivers/gpu/drm/xe/xe_sched_job.h index c75018f4660d..002c3b5c0a5c 100644 --- a/drivers/gpu/drm/xe/xe_sched_job.h +++ b/drivers/gpu/drm/xe/xe_sched_job.h @@ -73,6 +73,11 @@ static inline u32 xe_sched_job_seqno(struct xe_sched_job *job) return job->fence->seqno; } +static inline u32 xe_sched_job_lrc_seqno(struct xe_sched_job *job) +{ + return job->lrc_seqno; +} + static inline void xe_sched_job_add_migrate_flush(struct xe_sched_job *job, u32 flags) { diff --git a/drivers/gpu/drm/xe/xe_sched_job_types.h b/drivers/gpu/drm/xe/xe_sched_job_types.h index 5e12724219fd..990ddac55ed6 100644 --- a/drivers/gpu/drm/xe/xe_sched_job_types.h +++ b/drivers/gpu/drm/xe/xe_sched_job_types.h @@ -37,6 +37,8 @@ struct xe_sched_job { /** @user_fence.value: write back value */ u64 value; } user_fence; + /** @lrc_seqno: LRC seqno */ + u32 lrc_seqno; /** @migrate_flush_flags: Additional flush flags for migration jobs */ u32 migrate_flush_flags; /** @ring_ops_flush_tlb: The ring ops need to flush TLB before payload. */ diff --git a/drivers/gpu/drm/xe/xe_trace.h b/drivers/gpu/drm/xe/xe_trace.h index f18ae1c63031..657e2f1f4c31 100644 --- a/drivers/gpu/drm/xe/xe_trace.h +++ b/drivers/gpu/drm/xe/xe_trace.h @@ -254,6 +254,7 @@ DECLARE_EVENT_CLASS(xe_sched_job, TP_STRUCT__entry( __field(u32, seqno) + __field(u32, lrc_seqno) __field(u16, guc_id) __field(u32, guc_state) __field(u32, flags) @@ -264,6 +265,7 @@ DECLARE_EVENT_CLASS(xe_sched_job, TP_fast_assign( __entry->seqno = xe_sched_job_seqno(job); + __entry->lrc_seqno = xe_sched_job_lrc_seqno(job); __entry->guc_id = job->q->guc->id; __entry->guc_state = atomic_read(&job->q->guc->state); @@ -273,8 +275,9 @@ DECLARE_EVENT_CLASS(xe_sched_job, __entry->batch_addr = (u64)job->batch_addr[0]; ), - TP_printk("fence=%p, seqno=%u, guc_id=%d, batch_addr=0x%012llx, guc_state=0x%x, flags=0x%x, error=%d", - __entry->fence, __entry->seqno, __entry->guc_id, + TP_printk("fence=%p, seqno=%u, lrc_seqno=%u, guc_id=%d, batch_addr=0x%012llx, guc_state=0x%x, flags=0x%x, error=%d", + __entry->fence, __entry->seqno, + __entry->lrc_seqno, __entry->guc_id, __entry->batch_addr, __entry->guc_state, __entry->flags, __entry->error) ); -- 2.34.1