diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc_log.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_log.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c index 1c2127bc3878..1e209fcf90e1 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.c +++ b/drivers/gpu/drm/i915/intel_guc_log.c @@ -73,6 +73,22 @@ static int guc_log_control(struct intel_guc *guc, bool enable, u32 verbosity) return intel_guc_send(guc, action, ARRAY_SIZE(action)); } +static void guc_flush_log_msg_enable(struct intel_guc *guc) +{ + spin_lock_irq(&guc->irq_lock); + guc->msg_enabled_mask |= INTEL_GUC_RECV_MSG_FLUSH_LOG_BUFFER | + INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED; + spin_unlock_irq(&guc->irq_lock); +} + +static void guc_flush_log_msg_disable(struct intel_guc *guc) +{ + spin_lock_irq(&guc->irq_lock); + guc->msg_enabled_mask &= ~(INTEL_GUC_RECV_MSG_FLUSH_LOG_BUFFER | + INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED); + spin_unlock_irq(&guc->irq_lock); +} + static inline struct intel_guc *log_to_guc(struct intel_guc_log *log) { return container_of(log, struct intel_guc, log); @@ -709,12 +725,7 @@ int intel_guc_log_register(struct intel_guc_log *log) if (ret) goto err_runtime; - /* GuC logging is currently the only user of Guc2Host interrupts */ - mutex_lock(&i915->drm.struct_mutex); - intel_runtime_pm_get(i915); - gen9_enable_guc_interrupts(i915); - intel_runtime_pm_put(i915); - mutex_unlock(&i915->drm.struct_mutex); + guc_flush_log_msg_enable(guc); return 0; @@ -733,6 +744,8 @@ void intel_guc_log_unregister(struct intel_guc_log *log) struct intel_guc *guc = log_to_guc(log); struct drm_i915_private *i915 = guc_to_i915(guc); + guc_flush_log_msg_disable(guc); + /* * Once logging is disabled, GuC won't generate logs & send an * interrupt. But there could be some data in the log buffer @@ -742,12 +755,6 @@ void intel_guc_log_unregister(struct intel_guc_log *log) guc_flush_logs(log); mutex_lock(&i915->drm.struct_mutex); - - /* GuC logging is currently the only user of Guc2Host interrupts */ - intel_runtime_pm_get(i915); - gen9_disable_guc_interrupts(i915); - intel_runtime_pm_put(i915); - guc_log_runtime_destroy(log); mutex_unlock(&i915->drm.struct_mutex); |