drm/i915: Clarify CHV swing margin/deemph bits
CHV display PHY registes have two swing margin/deemph settings. Make it
clear which ones we're using.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 33a45a8..95b9727 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2649,8 +2649,8 @@
/* 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);
}