diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dpio_phy.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c index 3d1295da1106..377963c0ed5f 100644 --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c @@ -613,19 +613,13 @@ void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder, bxt_port_to_phy_channel(dev_priv, port, &phy, &ch); for (lane = 0; lane < 4; lane++) { - u32 val = intel_de_read(dev_priv, - BXT_PORT_TX_DW14_LN(phy, ch, lane)); - /* * Note that on CHV this flag is called UPAR, but has * the same function. */ - val &= ~LATENCY_OPTIM; - if (lane_lat_optim_mask & BIT(lane)) - val |= LATENCY_OPTIM; - - intel_de_write(dev_priv, BXT_PORT_TX_DW14_LN(phy, ch, lane), - val); + intel_de_rmw(dev_priv, BXT_PORT_TX_DW14_LN(phy, ch, lane), + LATENCY_OPTIM, + lane_lat_optim_mask & BIT(lane) ? LATENCY_OPTIM : 0); } } |