From patchwork Tue Aug 1 20:51:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Brost X-Patchwork-Id: 13337252 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 CDD61C0015E for ; Tue, 1 Aug 2023 20:51:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D4D7D10E429; Tue, 1 Aug 2023 20:51:18 +0000 (UTC) Received: from mgamail.intel.com (unknown [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 976BA10E1E1; Tue, 1 Aug 2023 20:51:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690923073; x=1722459073; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JDicnaBt5OskT5ZGlrFYCSlynmRxlR1jYycrLI7/7pE=; b=lFYgHZMyD3yWZ4KoDGL29j/S5EozkvUu3DAFHFyfB37K/BmuaABmlHMh TkEI22t/O06CGe+dZwJF7f2Wgtu45rDZJsOPyHhEMwp0QZKj6xff5H897 G/bajWO032f0mcahhOf/LIx6yQYOY3szvp5qZMJBsnjO9FJ/mSmiUzPm3 LfY8zV/GtkjHfb3OFbT4C6s52qCTaZOc1XocpnbZjB5TNxvCiIcWxAlHc RBIw7GMeH6lrpoogFttgQgS/fjgYC4NtYKqrDX5sWjzfAbx1inHpCHA/O KiBAYN/kzN1Jj5iVwThfYkEx6Np4FWcuHrl73cC0LDhBEhmnXSChTAxkq Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10789"; a="373051744" X-IronPort-AV: E=Sophos;i="6.01,248,1684825200"; d="scan'208";a="373051744" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Aug 2023 13:51:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.01,202,1684825200"; d="scan'208";a="872215411" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Aug 2023 13:51:13 -0700 From: Matthew Brost To: dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org Subject: [PATCH 5/8] drm/sched: Add drm_sched_start_timeout_unlocked helper Date: Tue, 1 Aug 2023 13:51:00 -0700 Message-Id: <20230801205103.627779-6-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230801205103.627779-1-matthew.brost@intel.com> References: <20230801205103.627779-1-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 , sarah.walker@imgtec.com, ketil.johnsen@arm.com, Liviu.Dudau@arm.com, luben.tuikov@amd.com, lina@asahilina.net, 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" Also add a lockdep assert to drm_sched_start_timeout. Signed-off-by: Matthew Brost --- drivers/gpu/drm/scheduler/sched_main.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 84821a124ca2..be963d68a733 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -360,11 +360,20 @@ static void drm_sched_job_done_cb(struct dma_fence *f, struct dma_fence_cb *cb) */ static void drm_sched_start_timeout(struct drm_gpu_scheduler *sched) { + lockdep_assert_held(&sched->job_list_lock); + if (sched->timeout != MAX_SCHEDULE_TIMEOUT && !list_empty(&sched->pending_list)) queue_delayed_work(sched->timeout_wq, &sched->work_tdr, sched->timeout); } +static void drm_sched_start_timeout_unlocked(struct drm_gpu_scheduler *sched) +{ + spin_lock(&sched->job_list_lock); + drm_sched_start_timeout(sched); + spin_unlock(&sched->job_list_lock); +} + /** * drm_sched_fault - immediately start timeout handler * @@ -476,11 +485,8 @@ static void drm_sched_job_timedout(struct work_struct *work) spin_unlock(&sched->job_list_lock); } - if (status != DRM_GPU_SCHED_STAT_ENODEV) { - spin_lock(&sched->job_list_lock); - drm_sched_start_timeout(sched); - spin_unlock(&sched->job_list_lock); - } + if (status != DRM_GPU_SCHED_STAT_ENODEV) + drm_sched_start_timeout_unlocked(sched); } /** @@ -606,11 +612,8 @@ void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery) drm_sched_job_done(s_job); } - if (full_recovery) { - spin_lock(&sched->job_list_lock); - drm_sched_start_timeout(sched); - spin_unlock(&sched->job_list_lock); - } + if (full_recovery) + drm_sched_start_timeout_unlocked(sched); drm_sched_run_wq_start(sched); }