drm/i915: Configure eDP PLL freq from ironlake_edp_pll_on()

ironlake_set_pll_cpu_edp() only gets called just before
ironlake_edp_pll_on(), so just pull the code into ironlake_edp_pll_on().

Also toss in a debug print into ironlake_edp_pll_off() to match the one
we have in ironlake_edp_pll_on().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446146763-31821-15-git-send-email-ville.syrjala@linux.intel.com
Reviewed-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 d93f9f31bfd94f1d90d8cb9e2e161898ee946673..99b7f1d51415a2be9ae691314af0320f50d24d4a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1545,28 +1545,6 @@ found:
        return true;
 }
 
-static void ironlake_set_pll_cpu_edp(struct intel_dp *intel_dp)
-{
-       struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
-       struct intel_crtc *crtc = to_intel_crtc(dig_port->base.base.crtc);
-       struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-
-       DRM_DEBUG_KMS("eDP PLL enable for clock %d\n",
-                     crtc->config->port_clock);
-
-       intel_dp->DP &= ~DP_PLL_FREQ_MASK;
-
-       if (crtc->config->port_clock == 162000)
-               intel_dp->DP |= DP_PLL_FREQ_162MHZ;
-       else
-               intel_dp->DP |= DP_PLL_FREQ_270MHZ;
-
-       I915_WRITE(DP_A, intel_dp->DP);
-       POSTING_READ(DP_A);
-       udelay(500);
-}
-
 void intel_dp_set_link_params(struct intel_dp *intel_dp,
                              const struct intel_crtc_state *pipe_config)
 {
@@ -2176,7 +2154,20 @@ static void ironlake_edp_pll_on(struct intel_dp *intel_dp)
        assert_dp_port_disabled(intel_dp);
        assert_edp_pll_disabled(dev_priv);
 
-       DRM_DEBUG_KMS("\n");
+       DRM_DEBUG_KMS("enabling eDP PLL for clock %d\n",
+                     crtc->config->port_clock);
+
+       intel_dp->DP &= ~DP_PLL_FREQ_MASK;
+
+       if (crtc->config->port_clock == 162000)
+               intel_dp->DP |= DP_PLL_FREQ_162MHZ;
+       else
+               intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+
+       I915_WRITE(DP_A, intel_dp->DP);
+       POSTING_READ(DP_A);
+       udelay(500);
+
        intel_dp->DP |= DP_PLL_ENABLE;
 
        I915_WRITE(DP_A, intel_dp->DP);
@@ -2194,6 +2185,8 @@ static void ironlake_edp_pll_off(struct intel_dp *intel_dp)
        assert_dp_port_disabled(intel_dp);
        assert_edp_pll_enabled(dev_priv);
 
+       DRM_DEBUG_KMS("disabling eDP PLL\n");
+
        intel_dp->DP &= ~DP_PLL_ENABLE;
 
        I915_WRITE(DP_A, intel_dp->DP);
@@ -2393,6 +2386,8 @@ static void ilk_post_disable_dp(struct intel_encoder *encoder)
        enum port port = dp_to_dig_port(intel_dp)->port;
 
        intel_dp_link_down(intel_dp);
+
+       /* Only ilk+ has port A */
        if (port == PORT_A)
                ironlake_edp_pll_off(intel_dp);
 }
@@ -2673,10 +2668,8 @@ static void g4x_pre_enable_dp(struct intel_encoder *encoder)
        }
 
        /* Only ilk+ has port A */
-       if (port == PORT_A) {
-               ironlake_set_pll_cpu_edp(intel_dp);
+       if (port == PORT_A)
                ironlake_edp_pll_on(intel_dp);
-       }
 }
 
 static void vlv_detach_power_sequencer(struct intel_dp *intel_dp)