Disabling GuC interrupts involves access to GuC IRQ control registers
hence ensure device is RPM awake.
v2: Add comment about need to synchronize flush work and log runtime
destroy
v3: Moved patch earlier in the series and removed comment about future
work. (Tvrtko)
v4-v5: Rebase.
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_guc_log.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
index 9e5600355..4039912 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/intel_guc_log.c
@@ -694,7 +694,10 @@ void i915_guc_log_unregister(struct drm_i915_private *dev_priv)
mutex_lock(&dev_priv->drm.struct_mutex);
/* GuC logging is currently the only user of Guc2Host interrupts */
+ intel_runtime_pm_get(dev_priv);
gen9_disable_guc_interrupts(dev_priv);
+ intel_runtime_pm_put(dev_priv);
+
guc_log_runtime_destroy(guc);
mutex_unlock(&dev_priv->drm.struct_mutex);
--
1.9.1
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