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Message-Id: <20240809222827.3211998-6-matthew.brost@intel.com>
Date: Fri, 9 Aug 2024 15:28:27 -0700
From: Matthew Brost <matthew.brost@...el.com>
To: intel-xe@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Cc: tj@...nel.org,
jiangshanlai@...il.com,
christian.koenig@....com,
ltuikov89@...il.com,
daniel@...ll.ch
Subject: [PATCH v3 5/5] drm/xe: Drop GuC submit_wq pool
Now that drm sched uses a single lockdep map for all submit_wq, drop the
GuC submit_wq pool hack.
Signed-off-by: Matthew Brost <matthew.brost@...el.com>
---
drivers/gpu/drm/xe/xe_guc_submit.c | 60 +-----------------------------
drivers/gpu/drm/xe/xe_guc_types.h | 7 ----
2 files changed, 1 insertion(+), 66 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index 460808507947..882cef3a10dc 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -224,64 +224,11 @@ static bool exec_queue_killed_or_banned_or_wedged(struct xe_exec_queue *q)
EXEC_QUEUE_STATE_BANNED));
}
-#ifdef CONFIG_PROVE_LOCKING
-static int alloc_submit_wq(struct xe_guc *guc)
-{
- int i;
-
- for (i = 0; i < NUM_SUBMIT_WQ; ++i) {
- guc->submission_state.submit_wq_pool[i] =
- alloc_ordered_workqueue("submit_wq", 0);
- if (!guc->submission_state.submit_wq_pool[i])
- goto err_free;
- }
-
- return 0;
-
-err_free:
- while (i)
- destroy_workqueue(guc->submission_state.submit_wq_pool[--i]);
-
- return -ENOMEM;
-}
-
-static void free_submit_wq(struct xe_guc *guc)
-{
- int i;
-
- for (i = 0; i < NUM_SUBMIT_WQ; ++i)
- destroy_workqueue(guc->submission_state.submit_wq_pool[i]);
-}
-
-static struct workqueue_struct *get_submit_wq(struct xe_guc *guc)
-{
- int idx = guc->submission_state.submit_wq_idx++ % NUM_SUBMIT_WQ;
-
- return guc->submission_state.submit_wq_pool[idx];
-}
-#else
-static int alloc_submit_wq(struct xe_guc *guc)
-{
- return 0;
-}
-
-static void free_submit_wq(struct xe_guc *guc)
-{
-
-}
-
-static struct workqueue_struct *get_submit_wq(struct xe_guc *guc)
-{
- return NULL;
-}
-#endif
-
static void guc_submit_fini(struct drm_device *drm, void *arg)
{
struct xe_guc *guc = arg;
xa_destroy(&guc->submission_state.exec_queue_lookup);
- free_submit_wq(guc);
}
static void guc_submit_wedged_fini(struct drm_device *drm, void *arg)
@@ -337,10 +284,6 @@ int xe_guc_submit_init(struct xe_guc *guc, unsigned int num_ids)
if (err)
return err;
- err = alloc_submit_wq(guc);
- if (err)
- return err;
-
gt->exec_queue_ops = &guc_exec_queue_ops;
xa_init(&guc->submission_state.exec_queue_lookup);
@@ -1445,8 +1388,7 @@ static int guc_exec_queue_init(struct xe_exec_queue *q)
timeout = (q->vm && xe_vm_in_lr_mode(q->vm)) ? MAX_SCHEDULE_TIMEOUT :
msecs_to_jiffies(q->sched_props.job_timeout_ms);
err = xe_sched_init(&ge->sched, &drm_sched_ops, &xe_sched_ops,
- get_submit_wq(guc),
- q->lrc[0]->ring.size / MAX_JOB_SIZE_BYTES, 64,
+ NULL, q->lrc[0]->ring.size / MAX_JOB_SIZE_BYTES, 64,
timeout, guc_to_gt(guc)->ordered_wq, NULL,
q->name, gt_to_xe(q->gt)->drm.dev);
if (err)
diff --git a/drivers/gpu/drm/xe/xe_guc_types.h b/drivers/gpu/drm/xe/xe_guc_types.h
index 546ac6350a31..585f5c274f09 100644
--- a/drivers/gpu/drm/xe/xe_guc_types.h
+++ b/drivers/gpu/drm/xe/xe_guc_types.h
@@ -72,13 +72,6 @@ struct xe_guc {
atomic_t stopped;
/** @submission_state.lock: protects submission state */
struct mutex lock;
-#ifdef CONFIG_PROVE_LOCKING
-#define NUM_SUBMIT_WQ 256
- /** @submission_state.submit_wq_pool: submission ordered workqueues pool */
- struct workqueue_struct *submit_wq_pool[NUM_SUBMIT_WQ];
- /** @submission_state.submit_wq_idx: submission ordered workqueue index */
- int submit_wq_idx;
-#endif
/** @submission_state.enabled: submission is enabled */
bool enabled;
} submission_state;
--
2.34.1
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