diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_request.c | 2 |
3 files changed, 12 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 80dc679c0f01..338735252e23 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2717,7 +2717,8 @@ static int i915_runtime_pm_status(struct seq_file *m, void *unused) if (!HAS_RUNTIME_PM(dev_priv)) seq_puts(m, "Runtime power management not supported\n"); - seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->gt.awake)); + seq_printf(m, "GPU idle: %s (epoch %u)\n", + yesno(!dev_priv->gt.awake), dev_priv->gt.epoch); seq_printf(m, "IRQs disabled: %s\n", yesno(!intel_irqs_enabled(dev_priv))); #ifdef CONFIG_PM @@ -3150,8 +3151,8 @@ static int i915_engine_info(struct seq_file *m, void *unused) intel_runtime_pm_get(dev_priv); - seq_printf(m, "GT awake? %s\n", - yesno(dev_priv->gt.awake)); + seq_printf(m, "GT awake? %s (epoch %u)\n", + yesno(dev_priv->gt.awake), dev_priv->gt.epoch); seq_printf(m, "Global active requests: %d\n", dev_priv->gt.active_requests); seq_printf(m, "CS timestamp frequency: %u kHz\n", diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c707eee2102b..1f9df2861d54 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2313,6 +2313,12 @@ struct drm_i915_private { bool awake; /** + * The number of times we have woken up. + */ + unsigned int epoch; +#define I915_EPOCH_INVALID 0 + + /** * We leave the user IRQ off as much as possible, * but this means that requests will finish and never * be retired once the system goes idle. Set a timer to diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index a0f451b4a4e8..06ec27a68f5c 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -274,6 +274,8 @@ static void mark_busy(struct drm_i915_private *i915) intel_display_power_get(i915, POWER_DOMAIN_GT_IRQ); i915->gt.awake = true; + if (unlikely(++i915->gt.epoch == 0)) /* keep 0 as invalid */ + i915->gt.epoch = 1; intel_enable_gt_powersave(i915); i915_update_gfx_val(i915); |