[PATCH 10/11] drm/i915/guc: Skip interrupt enabling if logging is already enabled

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To balance the GuC interrupt references we don't allow enabling interrupts
If logging was enabled earlier with different verbosity.
We allow request to change log parameters to be sent to GuC though as
user may want to just update the verbosity level at runtime.

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 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
index 8c41d9a..90b8caf 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/intel_guc_log.c
@@ -613,6 +613,11 @@ int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val)
 	}
 
 	if (log_param.logging_enabled) {
+		if (i915_modparams.guc_log_level >= 0) {
+			i915_modparams.guc_log_level = log_param.verbosity;
+			return 0;
+		}
+
 		i915_modparams.guc_log_level = log_param.verbosity;
 
 		/* If log_level was set as -1 at boot time, then the relay channel file
-- 
1.9.1

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