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Diffstat (limited to 'drivers/gpu/drm/i915/gt')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_context_types.h4
-rw-r--r--drivers/gpu/drm/i915/gt/intel_execlists_submission.h2
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt.c3
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt.h2
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_requests.c28
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_types.h7
6 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h
index e10d78601bbd..b457d6c49325 100644
--- a/drivers/gpu/drm/i915/gt/intel_context_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_context_types.h
@@ -97,6 +97,10 @@ struct intel_context {
#define CONTEXT_FORCE_SINGLE_SUBMISSION 7
#define CONTEXT_NOPREEMPT 8
+ struct {
+ u64 timeout_us;
+ } watchdog;
+
u32 *lrc_reg_state;
union {
struct {
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.h b/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
index a8fd7adefd82..fd61dae820e9 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.h
@@ -6,6 +6,7 @@
#ifndef __INTEL_EXECLISTS_SUBMISSION_H__
#define __INTEL_EXECLISTS_SUBMISSION_H__
+#include <linux/llist.h>
#include <linux/types.h>
struct drm_printer;
@@ -13,6 +14,7 @@ struct drm_printer;
struct i915_request;
struct intel_context;
struct intel_engine_cs;
+struct intel_gt;
enum {
INTEL_CONTEXT_SCHEDULE_IN = 0,
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index d8e1ab412634..ff63034cff9c 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -29,6 +29,9 @@ void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915)
INIT_LIST_HEAD(&gt->closed_vma);
spin_lock_init(&gt->closed_lock);
+ init_llist_head(&gt->watchdog.list);
+ INIT_WORK(&gt->watchdog.work, intel_gt_watchdog_work);
+
intel_gt_init_buffer_pool(gt);
intel_gt_init_reset(gt);
intel_gt_init_requests(gt);
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h
index 9157c7411f60..35d3bb13372f 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt.h
@@ -77,4 +77,6 @@ static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
void intel_gt_info_print(const struct intel_gt_info *info,
struct drm_printer *p);
+void intel_gt_watchdog_work(struct work_struct *work);
+
#endif /* __INTEL_GT_H__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
index dc06c78c9eeb..f7e5ce2e2291 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
@@ -9,6 +9,7 @@
#include "i915_drv.h" /* for_each_engine() */
#include "i915_request.h"
#include "intel_engine_heartbeat.h"
+#include "intel_execlists_submission.h"
#include "intel_gt.h"
#include "intel_gt_pm.h"
#include "intel_gt_requests.h"
@@ -243,4 +244,31 @@ void intel_gt_fini_requests(struct intel_gt *gt)
{
/* Wait until the work is marked as finished before unloading! */
cancel_delayed_work_sync(&gt->requests.retire_work);
+
+ flush_work(&gt->watchdog.work);
+}
+
+void intel_gt_watchdog_work(struct work_struct *work)
+{
+ struct intel_gt *gt =
+ container_of(work, typeof(*gt), watchdog.work);
+ struct i915_request *rq, *rn;
+ struct llist_node *first;
+
+ first = llist_del_all(&gt->watchdog.list);
+ if (!first)
+ return;
+
+ llist_for_each_entry_safe(rq, rn, first, watchdog.link) {
+ if (!i915_request_completed(rq)) {
+ struct dma_fence *f = &rq->fence;
+
+ pr_notice("Fence expiration time out i915-%s:%s:%llx!\n",
+ f->ops->get_driver_name(f),
+ f->ops->get_timeline_name(f),
+ f->seqno);
+ i915_request_cancel(rq, -EINTR);
+ }
+ i915_request_put(rq);
+ }
}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index f7dab4fc926c..0caf6ca0a784 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -8,10 +8,12 @@
#include <linux/ktime.h>
#include <linux/list.h>
+#include <linux/llist.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/spinlock.h>
#include <linux/types.h>
+#include <linux/workqueue.h>
#include "uc/intel_uc.h"
@@ -52,6 +54,11 @@ struct intel_gt {
struct delayed_work retire_work;
} requests;
+ struct {
+ struct llist_head list;
+ struct work_struct work;
+ } watchdog;
+
struct intel_wakeref wakeref;
atomic_t user_wakeref;