drm/i915/guc/rc: Use i915_probe_error instead of drm_error

To avoid false positives in error injection cases.
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220506054142.5025-1-vinay.belgaumkar@intel.com

drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c

@@ -49,7 +49,6 @@ static int guc_action_control_gucrc(struct intel_guc *guc, bool enable)
 static int __guc_rc_control(struct intel_guc *guc, bool enable)
 {
 	struct intel_gt *gt = guc_to_gt(guc);
-	struct drm_device *drm = &guc_to_gt(guc)->i915->drm;
 	int ret;
 
 	if (!intel_uc_uses_guc_rc(&gt->uc))
@@ -60,7 +59,7 @@ static int __guc_rc_control(struct intel_guc *guc, bool enable)
 
 	ret = guc_action_control_gucrc(guc, enable);
 	if (ret) {
-		drm_err(drm, "Failed to %s GuC RC (%pe)\n",
+		i915_probe_error(guc_to_gt(guc)->i915, "Failed to %s GuC RC (%pe)\n",
 				 str_enable_disable(enable), ERR_PTR(ret));
 		return ret;
 	}