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CAT:NONE; SFS:(4636009)(346002)(39860400002)(376002)(396003)(136003)(46966006)(36840700001)(4326008)(81166007)(186003)(2906002)(356005)(82310400003)(478600001)(36860700001)(2616005)(8936002)(6666004)(26005)(82740400003)(426003)(336012)(83380400001)(47076005)(8676002)(70586007)(70206006)(6916009)(7696005)(450100002)(36756003)(86362001)(316002)(5660300002)(54906003)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Aug 2021 10:35:48.6324 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 44b2abc8-a0b5-4a5e-6fb3-08d96c6b1919 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT010.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1932 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" tested-by: jingwen chen Signed-off-by: Monk Liu Signed-off-by: jingwen chen --- drivers/gpu/drm/scheduler/sched_main.c | 24 ++++-------------------- 1 file changed, 4 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index ecf8140..894fdb24 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -319,19 +319,17 @@ static void drm_sched_job_timedout(struct work_struct *work) sched = container_of(work, struct drm_gpu_scheduler, work_tdr.work); /* Protects against concurrent deletion in drm_sched_get_cleanup_job */ + if (!__kthread_should_park(sched->thread)) + kthread_park(sched->thread); + spin_lock(&sched->job_list_lock); job = list_first_entry_or_null(&sched->pending_list, struct drm_sched_job, list); if (job) { - /* - * Remove the bad job so it cannot be freed by concurrent - * drm_sched_cleanup_jobs. It will be reinserted back after sched->thread - * is parked at which point it's safe. - */ - list_del_init(&job->list); spin_unlock(&sched->job_list_lock); + /* vendor's timeout_job should call drm_sched_start() */ status = job->sched->ops->timedout_job(job); /* @@ -393,20 +391,6 @@ void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad) kthread_park(sched->thread); /* - * Reinsert back the bad job here - now it's safe as - * drm_sched_get_cleanup_job cannot race against us and release the - * bad job at this point - we parked (waited for) any in progress - * (earlier) cleanups and drm_sched_get_cleanup_job will not be called - * now until the scheduler thread is unparked. - */ - if (bad && bad->sched == sched) - /* - * Add at the head of the queue to reflect it was the earliest - * job extracted. - */ - list_add(&bad->list, &sched->pending_list); - - /* * Iterate the job list from later to earlier one and either deactive * their HW callbacks or remove them from pending list if they already * signaled. -- 2.7.4