diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index 0325f071046c..b5ad9caa5537 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -1035,9 +1035,9 @@ get_reg_and_bit(const struct intel_engine_cs *engine, const bool gen8,
 static int wait_for_invalidate(struct intel_gt *gt, struct reg_and_bit rb)
 {
 	if (GRAPHICS_VER_FULL(gt->i915) >= IP_VER(12, 50))
-		return intel_gt_mcr_wait_for_reg_fw(gt, rb.mcr_reg, rb.bit, 0,
-						    TLB_INVAL_TIMEOUT_US,
-						    TLB_INVAL_TIMEOUT_MS);
+		return intel_gt_mcr_wait_for_reg(gt, rb.mcr_reg, rb.bit, 0,
+						 TLB_INVAL_TIMEOUT_US,
+						 TLB_INVAL_TIMEOUT_MS);
 	else
 		return __intel_wait_for_register_fw(gt->uncore, rb.reg, rb.bit, 0,
 						    TLB_INVAL_TIMEOUT_US,
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
index 830edffe88cc..d9a8ff9e5e57 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
@@ -730,17 +730,19 @@ void intel_gt_mcr_get_ss_steering(struct intel_gt *gt, unsigned int dss,
  *
  * Return: 0 if the register matches the desired condition, or -ETIMEDOUT.
  */
-int intel_gt_mcr_wait_for_reg_fw(struct intel_gt *gt,
-				 i915_mcr_reg_t reg,
-				 u32 mask,
-				 u32 value,
-				 unsigned int fast_timeout_us,
-				 unsigned int slow_timeout_ms)
+int intel_gt_mcr_wait_for_reg(struct intel_gt *gt,
+			      i915_mcr_reg_t reg,
+			      u32 mask,
+			      u32 value,
+			      unsigned int fast_timeout_us,
+			      unsigned int slow_timeout_ms)
 {
-	u32 reg_value = 0;
-#define done (((reg_value = intel_gt_mcr_read_any_fw(gt, reg)) & mask) == value)
 	int ret;
 
+	lockdep_assert_not_held(&gt->uncore->lock);
+
+#define done ((intel_gt_mcr_read_any(gt, reg) & mask) == value)
+
 	/* Catch any overuse of this function */
 	might_sleep_if(slow_timeout_ms);
 	GEM_BUG_ON(fast_timeout_us > 20000);
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_mcr.h b/drivers/gpu/drm/i915/gt/intel_gt_mcr.h
index 3fb0502bff22..ae93b20e1c17 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_mcr.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_mcr.h
@@ -37,12 +37,12 @@ void intel_gt_mcr_report_steering(struct drm_printer *p, struct intel_gt *gt,
 void intel_gt_mcr_get_ss_steering(struct intel_gt *gt, unsigned int dss,
 				  unsigned int *group, unsigned int *instance);
 
-int intel_gt_mcr_wait_for_reg_fw(struct intel_gt *gt,
-				 i915_mcr_reg_t reg,
-				 u32 mask,
-				 u32 value,
-				 unsigned int fast_timeout_us,
-				 unsigned int slow_timeout_ms);
+int intel_gt_mcr_wait_for_reg(struct intel_gt *gt,
+			      i915_mcr_reg_t reg,
+			      u32 mask,
+			      u32 value,
+			      unsigned int fast_timeout_us,
+			      unsigned int slow_timeout_ms);
 
 /*
  * Helper for for_each_ss_steering loop.  On pre-Xe_HP platforms, subslice