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-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt.h6
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_types.h2
-rw-r--r--drivers/gpu/drm/i915/gt/intel_reset.c12
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c7
4 files changed, 24 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h
index b5e114d284ad..b73555889d50 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt.h
@@ -208,4 +208,10 @@ enum i915_map_type intel_gt_coherent_map_type(struct intel_gt *gt,
void intel_gt_bind_context_set_ready(struct intel_gt *gt);
void intel_gt_bind_context_set_unready(struct intel_gt *gt);
bool intel_gt_is_bind_context_ready(struct intel_gt *gt);
+
+static inline void intel_gt_set_wedged_async(struct intel_gt *gt)
+{
+ queue_work(system_highpri_wq, &gt->wedge);
+}
+
#endif /* __INTEL_GT_H__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index cfdd2ad5e954..bcee084b1f27 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -292,6 +292,8 @@ struct intel_gt {
struct gt_defaults defaults;
struct kobject *sysfs_defaults;
+ struct work_struct wedge;
+
struct i915_perf_gt perf;
/** link: &ggtt.gt_list */
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 6161f7a3ff70..76810ebb5e83 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -1013,6 +1013,15 @@ static void __intel_gt_set_wedged(struct intel_gt *gt)
GT_TRACE(gt, "end\n");
}
+static void set_wedged_work(struct work_struct *w)
+{
+ struct intel_gt *gt = container_of(w, struct intel_gt, wedge);
+ intel_wakeref_t wf;
+
+ with_intel_runtime_pm(gt->uncore->rpm, wf)
+ __intel_gt_set_wedged(gt);
+}
+
void intel_gt_set_wedged(struct intel_gt *gt)
{
intel_wakeref_t wakeref;
@@ -1614,6 +1623,7 @@ void intel_gt_init_reset(struct intel_gt *gt)
init_waitqueue_head(&gt->reset.queue);
mutex_init(&gt->reset.mutex);
init_srcu_struct(&gt->reset.backoff_srcu);
+ INIT_WORK(&gt->wedge, set_wedged_work);
/*
* While undesirable to wait inside the shrinker, complain anyway.
@@ -1640,7 +1650,7 @@ static void intel_wedge_me(struct work_struct *work)
struct intel_wedge_me *w = container_of(work, typeof(*w), work.work);
gt_err(w->gt, "%s timed out, cancelling all in-flight rendering.\n", w->name);
- intel_gt_set_wedged(w->gt);
+ set_wedged_work(&w->gt->wedge);
}
void __intel_init_wedge(struct intel_wedge_me *w,
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 2eba289d88ad..6aa179a3e92a 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -24,6 +24,7 @@
#include <drm/drm_managed.h>
#include <linux/pm_runtime.h>
+#include "gt/intel_gt.h"
#include "gt/intel_engine_regs.h"
#include "gt/intel_gt_regs.h"
@@ -180,14 +181,16 @@ fw_domain_wait_ack_clear(const struct intel_uncore_forcewake_domain *d)
if (!wait_ack_clear(d, FORCEWAKE_KERNEL))
return;
- if (fw_ack(d) == ~0)
+ if (fw_ack(d) == ~0) {
drm_err(&d->uncore->i915->drm,
"%s: MMIO unreliable (forcewake register returns 0xFFFFFFFF)!\n",
intel_uncore_forcewake_domain_to_str(d->id));
- else
+ intel_gt_set_wedged_async(d->uncore->gt);
+ } else {
drm_err(&d->uncore->i915->drm,
"%s: timed out waiting for forcewake ack to clear.\n",
intel_uncore_forcewake_domain_to_str(d->id));
+ }
add_taint_for_CI(d->uncore->i915, TAINT_WARN); /* CI now unreliable */
}