From patchwork Tue Sep 19 05:01:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Brost X-Patchwork-Id: 13390819 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 D5C87CD3439 for ; Tue, 19 Sep 2023 05:01:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E9D1410E3B3; Tue, 19 Sep 2023 05:01:43 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4CD4610E153; Tue, 19 Sep 2023 05:01:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695099702; x=1726635702; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ea7l+GV5Or44Aw0+JSQbMkHkHBgBlqpft4+wytl/S1k=; b=Bn7A6NjtmTozDl+136HJdOGi0X2X7/wbrcJ1KH4tJmYkk/93zf2/vf8W 6E/9qxomBrJVlHRup9SSBpVTS4bKaUUvLOwh0V0UOxUVIDK/+6B4LhHYh CQvhpYbQdss3ySYZYdfjPJLxQ9M3wnbf83GF4NcQPDXNJ+qcTqfY/O6N9 wUSP3rI8zV5wsYUR6rflea5/2oHJ4FWEPl6SI95J+/hS+Zhjyy/zLEUHE oRDtW8BydMz9YqJT2DUw9Bd0lg/AwZy5Oq4B9fKl79CmSMbHJbhlE4LQT oW2IIbTyXq9bY+FVgk3yg3U+UImLYPDf77xU3oyACqYnl0HxcfoMW1ozr A==; X-IronPort-AV: E=McAfee;i="6600,9927,10837"; a="377163423" X-IronPort-AV: E=Sophos;i="6.02,158,1688454000"; d="scan'208";a="377163423" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2023 22:01:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10837"; a="775409055" X-IronPort-AV: E=Sophos;i="6.02,158,1688454000"; d="scan'208";a="775409055" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2023 22:01:40 -0700 From: Matthew Brost To: dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org Subject: [PATCH v4 01/10] drm/sched: Add drm_sched_submit_* helpers Date: Mon, 18 Sep 2023 22:01:46 -0700 Message-Id: <20230919050155.2647172-2-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230919050155.2647172-1-matthew.brost@intel.com> References: <20230919050155.2647172-1-matthew.brost@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: robdclark@chromium.org, thomas.hellstrom@linux.intel.com, Matthew Brost , lina@asahilina.net, sarah.walker@imgtec.com, ketil.johnsen@arm.com, Liviu.Dudau@arm.com, mcanal@igalia.com, luben.tuikov@amd.com, dakr@redhat.com, donald.robson@imgtec.com, boris.brezillon@collabora.com, christian.koenig@amd.com, faith.ekstrand@collabora.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add scheduler submit ready, stop, and start helpers to hide the implementation details of the scheduler from the drivers. Signed-off-by: Matthew Brost Reviewed-by: Christian König for this one. Reviewed-by: Luben Tuikov --- .../drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 15 +++---- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 12 +++--- drivers/gpu/drm/msm/adreno/adreno_device.c | 6 ++- drivers/gpu/drm/scheduler/sched_main.c | 40 ++++++++++++++++++- include/drm/gpu_scheduler.h | 3 ++ 6 files changed, 60 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c index 625db444df1c..36a1accbc846 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c @@ -290,7 +290,7 @@ static int suspend_resume_compute_scheduler(struct amdgpu_device *adev, bool sus for (i = 0; i < adev->gfx.num_compute_rings; i++) { struct amdgpu_ring *ring = &adev->gfx.compute_ring[i]; - if (!(ring && ring->sched.thread)) + if (!(ring && drm_sched_submit_ready(&ring->sched))) continue; /* stop secheduler and drain ring. */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index a4faea4fa0b5..fb5dad687168 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -1659,9 +1659,9 @@ static int amdgpu_debugfs_test_ib_show(struct seq_file *m, void *unused) for (i = 0; i < AMDGPU_MAX_RINGS; i++) { struct amdgpu_ring *ring = adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!ring || !drm_sched_submit_ready(&ring->sched)) continue; - kthread_park(ring->sched.thread); + drm_sched_submit_stop(&ring->sched); } seq_puts(m, "run ib test:\n"); @@ -1675,9 +1675,9 @@ static int amdgpu_debugfs_test_ib_show(struct seq_file *m, void *unused) for (i = 0; i < AMDGPU_MAX_RINGS; i++) { struct amdgpu_ring *ring = adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!ring || !drm_sched_submit_ready(&ring->sched)) continue; - kthread_unpark(ring->sched.thread); + drm_sched_submit_start(&ring->sched); } up_write(&adev->reset_domain->sem); @@ -1897,7 +1897,8 @@ static int amdgpu_debugfs_ib_preempt(void *data, u64 val) ring = adev->rings[val]; - if (!ring || !ring->funcs->preempt_ib || !ring->sched.thread) + if (!ring || !ring->funcs->preempt_ib || + !drm_sched_submit_ready(&ring->sched)) return -EINVAL; /* the last preemption failed */ @@ -1915,7 +1916,7 @@ static int amdgpu_debugfs_ib_preempt(void *data, u64 val) goto pro_end; /* stop the scheduler */ - kthread_park(ring->sched.thread); + drm_sched_submit_stop(&ring->sched); /* preempt the IB */ r = amdgpu_ring_preempt_ib(ring); @@ -1949,7 +1950,7 @@ static int amdgpu_debugfs_ib_preempt(void *data, u64 val) failure: /* restart the scheduler */ - kthread_unpark(ring->sched.thread); + drm_sched_submit_start(&ring->sched); up_read(&adev->reset_domain->sem); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 30c4f5cca02c..e366f61c3aed 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4588,7 +4588,7 @@ bool amdgpu_device_has_job_running(struct amdgpu_device *adev) for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!ring || !drm_sched_submit_ready(&ring->sched)) continue; spin_lock(&ring->sched.job_list_lock); @@ -4727,7 +4727,7 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!ring || !drm_sched_submit_ready(&ring->sched)) continue; /* Clear job fence from fence drv to avoid force_completion @@ -5266,7 +5266,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = tmp_adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!ring || !drm_sched_submit_ready(&ring->sched)) continue; drm_sched_stop(&ring->sched, job ? &job->base : NULL); @@ -5341,7 +5341,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = tmp_adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!ring || !drm_sched_submit_ready(&ring->sched)) continue; drm_sched_start(&ring->sched, true); @@ -5667,7 +5667,7 @@ pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_sta for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!ring || !drm_sched_submit_ready(&ring->sched)) continue; drm_sched_stop(&ring->sched, NULL); @@ -5795,7 +5795,7 @@ void amdgpu_pci_resume(struct pci_dev *pdev) for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; - if (!ring || !ring->sched.thread) + if (!ring || !drm_sched_submit_ready(&ring->sched)) continue; drm_sched_start(&ring->sched, true); diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index fa527935ffd4..e046dc5ff72a 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -809,7 +809,8 @@ static void suspend_scheduler(struct msm_gpu *gpu) */ for (i = 0; i < gpu->nr_rings; i++) { struct drm_gpu_scheduler *sched = &gpu->rb[i]->sched; - kthread_park(sched->thread); + + drm_sched_submit_stop(sched); } } @@ -819,7 +820,8 @@ static void resume_scheduler(struct msm_gpu *gpu) for (i = 0; i < gpu->nr_rings; i++) { struct drm_gpu_scheduler *sched = &gpu->rb[i]->sched; - kthread_unpark(sched->thread); + + drm_sched_submit_start(sched); } } diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 506371c42745..e4fa62abca41 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -439,7 +439,7 @@ void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad) { struct drm_sched_job *s_job, *tmp; - kthread_park(sched->thread); + drm_sched_submit_stop(sched); /* * Reinsert back the bad job here - now it's safe as @@ -552,7 +552,7 @@ void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery) spin_unlock(&sched->job_list_lock); } - kthread_unpark(sched->thread); + drm_sched_submit_start(sched); } EXPORT_SYMBOL(drm_sched_start); @@ -1206,3 +1206,39 @@ void drm_sched_increase_karma(struct drm_sched_job *bad) } } EXPORT_SYMBOL(drm_sched_increase_karma); + +/** + * drm_sched_submit_ready - scheduler ready for submission + * + * @sched: scheduler instance + * + * Returns true if submission is ready + */ +bool drm_sched_submit_ready(struct drm_gpu_scheduler *sched) +{ + return !!sched->thread; + +} +EXPORT_SYMBOL(drm_sched_submit_ready); + +/** + * drm_sched_submit_stop - stop scheduler submission + * + * @sched: scheduler instance + */ +void drm_sched_submit_stop(struct drm_gpu_scheduler *sched) +{ + kthread_park(sched->thread); +} +EXPORT_SYMBOL(drm_sched_submit_stop); + +/** + * drm_sched_submit_start - start scheduler submission + * + * @sched: scheduler instance + */ +void drm_sched_submit_start(struct drm_gpu_scheduler *sched) +{ + kthread_unpark(sched->thread); +} +EXPORT_SYMBOL(drm_sched_submit_start); diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index f9544d9b670d..f12c5aea5294 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -550,6 +550,9 @@ void drm_sched_entity_modify_sched(struct drm_sched_entity *entity, void drm_sched_job_cleanup(struct drm_sched_job *job); void drm_sched_wakeup_if_can_queue(struct drm_gpu_scheduler *sched); +bool drm_sched_submit_ready(struct drm_gpu_scheduler *sched); +void drm_sched_submit_stop(struct drm_gpu_scheduler *sched); +void drm_sched_submit_start(struct drm_gpu_scheduler *sched); void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad); void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery); void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched);