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 <[email protected]>
Cc: Michal Wajdeczko <[email protected]>
Cc: Daniele Ceraolo Spurio <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Cc: Chris Wilson <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
---
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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