diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index 352110f..eefdfc2 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -202,7 +202,7 @@ static void post_xfer(struct i2c_adapter *i2c_adap)
 
 static u32 radeon_get_i2c_prescale(struct radeon_device *rdev)
 {
-	u32 sclk = radeon_get_engine_clock(rdev);
+	u32 sclk = rdev->clock.default_sclk;
 	u32 prescale = 0;
 	u32 nm;
 	u8 n, m, loop;