drm/i915: Clarify CHV swing margin/deemph bits

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / intel_dp.c

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 33a45a8195250a0ffb254d2349d0dcecfc53b6be..95b97273673324c6a144c56645607ebcbfaf8604 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2649,8 +2649,8 @@ static uint32_t intel_chv_signal_levels(struct intel_dp *intel_dp)
        /* Program swing margin */
        for (i = 0; i < 4; i++) {
                val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW2(ch, i));
-               val &= ~DPIO_SWING_MARGIN_MASK;
-               val |= margin_reg_value << DPIO_SWING_MARGIN_SHIFT;
+               val &= ~DPIO_SWING_MARGIN000_MASK;
+               val |= margin_reg_value << DPIO_SWING_MARGIN000_SHIFT;
                vlv_dpio_write(dev_priv, pipe, CHV_TX_DW2(ch, i), val);
        }