From patchwork Thu Oct 26 04:12:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Brost X-Patchwork-Id: 13437210 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 94DADC25B67 for ; Thu, 26 Oct 2023 04:12:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 58C9010E754; Thu, 26 Oct 2023 04:12:21 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id CF2A510E752; Thu, 26 Oct 2023 04:12:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698293531; x=1729829531; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wXhRjD8bhY6NT+38KZgUuP1KP13tqPmUjPZ9sQ4u8U4=; b=HFd6MalepM2oNwA+94MjzTjQ0o0oWDuUFUMObof1fKunN6RUX9J8FAUZ ebFHApXZ0qHTM6oZ3PMsop+06wi8cNm2aATYmbbKVauRHpL0V6jK4KV9F 7fSx6kD6kbNByJ8/G0Xcm7gE0IkB23teWep696E4Nr05WPi+imhkJ9qYe tmFl5VK6hZ4XeDBKR2mg3UJQjANN03aHjnoZtvoq7Jz1uglCyJsl5oWyJ WZG9iR+7qwzeRQm83KqSxUgXIkfl3dRQikg8ILZg3iXHyb/t6pwD41hZq fj8pF0p9bp4bQVpNhdYVvwQlHVADj9qLnXABS7qV2FNSlCZX9OYuKzHlM w==; X-IronPort-AV: E=McAfee;i="6600,9927,10874"; a="377823052" X-IronPort-AV: E=Sophos;i="6.03,252,1694761200"; d="scan'208";a="377823052" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 21:12:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10874"; a="762685142" X-IronPort-AV: E=Sophos;i="6.03,252,1694761200"; d="scan'208";a="762685142" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2023 21:12:10 -0700 From: Matthew Brost To: dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org Subject: [PATCH v7 5/6] drm/sched: Add drm_sched_start_timeout_unlocked helper Date: Wed, 25 Oct 2023 21:12:35 -0700 Message-Id: <20231026041236.1273694-6-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231026041236.1273694-1-matthew.brost@intel.com> References: <20231026041236.1273694-1-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" Also add a lockdep assert to drm_sched_start_timeout. Signed-off-by: Matthew Brost Reviewed-by: Luben Tuikov --- 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 3d89420d4ffb..ae66cabc3162 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -385,11 +385,20 @@ 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 * @@ -502,11 +511,8 @@ 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); } /** @@ -632,11 +638,8 @@ void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery) drm_sched_job_done(s_job, -ECANCELED); } - 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_wqueue_start(sched); }