3 files changed, 10 insertions, 27 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 5fb7f957edf9..f74ba4750a94 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -241,12 +241,14 @@ static void ctch_disable(struct intel_guc *guc,
 
 	ctch->enabled = false;
 
-	guc_action_deregister_ct_buffer(guc,
-					ctch->owner,
-					INTEL_GUC_CT_BUFFER_TYPE_SEND);
-	guc_action_deregister_ct_buffer(guc,
-					ctch->owner,
-					INTEL_GUC_CT_BUFFER_TYPE_RECV);
+	if (intel_guc_is_running(guc)) {
+		guc_action_deregister_ct_buffer(guc,
+						ctch->owner,
+						INTEL_GUC_CT_BUFFER_TYPE_SEND);
+		guc_action_deregister_ct_buffer(guc,
+						ctch->owner,
+						INTEL_GUC_CT_BUFFER_TYPE_RECV);
+	}
 }
 
 static u32 ctch_get_next_fence(struct intel_guc_ct_channel *ctch)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
index 7c24d83f5c24..77c80d6cc25d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
@@ -81,11 +81,6 @@ void intel_guc_ct_fini(struct intel_guc_ct *ct);
 int intel_guc_ct_enable(struct intel_guc_ct *ct);
 void intel_guc_ct_disable(struct intel_guc_ct *ct);
 
-static inline void intel_guc_ct_stop(struct intel_guc_ct *ct)
-{
-	ct->host_channel.enabled = false;
-}
-
 int intel_guc_send_ct(struct intel_guc *guc, const u32 *action, u32 len,
 		      u32 *response_buf, u32 response_buf_size);
 void intel_guc_to_host_event_handler_ct(struct intel_guc *guc);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
index f42952403c0b..6e17e449e0a8 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
@@ -224,7 +224,7 @@ static int guc_enable_communication(struct intel_guc *guc)
 	return 0;
 }
 
-static void __guc_stop_communication(struct intel_guc *guc)
+static void guc_disable_communication(struct intel_guc *guc)
 {
 	/*
 	 * Events generated during or after CT disable are logged by guc in
@@ -237,20 +237,6 @@ static void __guc_stop_communication(struct intel_guc *guc)
 
 	guc->send = intel_guc_send_nop;
 	guc->handler = intel_guc_to_host_event_handler_nop;
-}
-
-static void guc_stop_communication(struct intel_guc *guc)
-{
-	intel_guc_ct_stop(&guc->ct);
-
-	__guc_stop_communication(guc);
-
-	DRM_INFO("GuC communication stopped\n");
-}
-
-static void guc_disable_communication(struct intel_guc *guc)
-{
-	__guc_stop_communication(guc);
 
 	intel_guc_ct_disable(&guc->ct);
 
@@ -556,7 +542,7 @@ void intel_uc_reset_prepare(struct intel_uc *uc)
 	if (!intel_guc_is_running(guc))
 		return;
 
-	guc_stop_communication(guc);
+	guc_disable_communication(guc);
 	__uc_sanitize(uc);
 }