intel_uncore_write_fw(gt->uncore, MTL_STEER_SEMAPHORE, 0x1);
}
+/**
+ * intel_gt_mcr_lock_sanitize - Sanitize MCR steering lock
+ * @gt: GT structure
+ *
+ * This will be used to sanitize the initial status of the hardware lock
+ * during driver load and resume since there won't be any concurrent access
+ * from other agents at those times, but it's possible that boot firmware
+ * may have left the lock in a bad state.
+ *
+ */
+void intel_gt_mcr_lock_sanitize(struct intel_gt *gt)
+{
+ /*
+ * This gets called at load/resume time, so we shouldn't be
+ * racing with other driver threads grabbing the mcr lock.
+ */
+ lockdep_assert_not_held(>->mcr_lock);
+
+ if (GRAPHICS_VER_FULL(gt->i915) >= IP_VER(12, 70))
+ intel_uncore_write_fw(gt->uncore, MTL_STEER_SEMAPHORE, 0x1);
+}
+
/**
* intel_gt_mcr_read - read a specific instance of an MCR register
* @gt: GT structure
void intel_gt_mcr_init(struct intel_gt *gt);
void intel_gt_mcr_lock(struct intel_gt *gt, unsigned long *flags);
void intel_gt_mcr_unlock(struct intel_gt *gt, unsigned long flags);
+void intel_gt_mcr_lock_sanitize(struct intel_gt *gt);
u32 intel_gt_mcr_read(struct intel_gt *gt,
i915_mcr_reg_t reg,