diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 324211ac9c55..b042ee5c4070 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -301,7 +301,7 @@ static void intel_ddi_mode_set(struct drm_encoder *encoder, struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); - intel_dp->DP = intel_dig_port->port_reversal | + intel_dp->DP = intel_dig_port->saved_port_bits | DDI_BUF_CTL_ENABLE | DDI_BUF_EMP_400MV_0DB_HSW; intel_dp->DP |= DDI_PORT_WIDTH(intel_dp->lane_count); @@ -1109,7 +1109,8 @@ static void intel_enable_ddi(struct intel_encoder *intel_encoder) * enabling the port. */ I915_WRITE(DDI_BUF_CTL(port), - intel_dig_port->port_reversal | DDI_BUF_CTL_ENABLE); + intel_dig_port->saved_port_bits | + DDI_BUF_CTL_ENABLE); } else if (type == INTEL_OUTPUT_EDP) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); @@ -1347,8 +1348,9 @@ void intel_ddi_init(struct drm_device *dev, enum port port) intel_encoder->get_config = intel_ddi_get_config; intel_dig_port->port = port; - intel_dig_port->port_reversal = I915_READ(DDI_BUF_CTL(port)) & - DDI_BUF_PORT_REVERSAL; + intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & + (DDI_BUF_PORT_REVERSAL | + DDI_A_4_LANES); intel_dig_port->dp.output_reg = DDI_BUF_CTL(port); intel_encoder->type = INTEL_OUTPUT_UNKNOWN; |