Merge remote-tracking branch 'lsk/v3.10/topic/arm64-hmp' into linux-linaro-lsk

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

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index fb961bb81903c95550289845a846bd0308c448d7..7ce38344e484941e26b64bdbeba006867dc3622f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -684,7 +684,7 @@ 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;
                switch (intel_dp->lane_count) {
                case 1:
@@ -1193,12 +1193,18 @@ void intel_ddi_setup_hw_pll_state(struct drm_device *dev)
        enum pipe pipe;
        struct intel_crtc *intel_crtc;
 
+       dev_priv->ddi_plls.spll_refcount = 0;
+       dev_priv->ddi_plls.wrpll1_refcount = 0;
+       dev_priv->ddi_plls.wrpll2_refcount = 0;
+
        for_each_pipe(pipe) {
                intel_crtc =
                        to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
 
-               if (!intel_crtc->active)
+               if (!intel_crtc->active) {
+                       intel_crtc->ddi_pll_sel = PORT_CLK_SEL_NONE;
                        continue;
+               }
 
                intel_crtc->ddi_pll_sel = intel_ddi_get_crtc_pll(dev_priv,
                                                                 pipe);
@@ -1324,7 +1330,8 @@ 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);
 
@@ -1543,8 +1550,9 @@ void intel_ddi_init(struct drm_device *dev, enum port port)
        intel_encoder->get_hw_state = intel_ddi_get_hw_state;
 
        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);
        if (hdmi_connector)
                intel_dig_port->hdmi.hdmi_reg = DDI_BUF_CTL(port);
        intel_dig_port->dp.output_reg = DDI_BUF_CTL(port);