diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h index b5e114d284ad3f4139724b1c8a5bfa525e19b363..b73555889d50befffe4fb71e4fdcc82ac6dd0e91 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, >->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 cfdd2ad5e9549c3b50bfcbba9a02eb67d185a163..bcee084b1f272b7813b0c51645028be7547549cd 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 6161f7a3ff708bf4452f7a0fb2d816aa43c69671..76810ebb5e83957aa13ef83d35c817153879a2bf 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(>->reset.queue); mutex_init(>->reset.mutex); init_srcu_struct(>->reset.backoff_srcu); + INIT_WORK(>->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 2eba289d88ad116f4e8ae292e3e5672c240caaf5..6aa179a3e92aac46f805461ed6eac3ce271049b8 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 */ }