[Intel-gfx] [RFCv2 DP-typeC 3/6] drm/i915/dp: Abstract all get_ddi_pll methods

[Durgadoss R]

This patch wraps the get_ddi_pll() methods for
SKL/BXT/HSW+ with a common intel_get_ddi_pll()
method, and exports it, so that it can be shared
by other users also.

Signed-off-by: Durgadoss R <durgadoss.r at intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 18 ++++++++++++------
 drivers/gpu/drm/i915/intel_drv.h     |  2 ++
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5c2b4ce..e3f1201 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9738,6 +9738,17 @@ static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
 	}
 }
 
+void intel_get_ddi_pll(struct drm_i915_private *dev_priv, enum port port,
+			struct intel_crtc_state *pipe_config)
+{
+	if (IS_SKYLAKE(dev_priv))
+		skylake_get_ddi_pll(dev_priv, port, pipe_config);
+	else if (IS_BROXTON(dev_priv))
+		bxt_get_ddi_pll(dev_priv, port, pipe_config);
+	else
+		haswell_get_ddi_pll(dev_priv, port, pipe_config);
+}
+
 static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
 				       struct intel_crtc_state *pipe_config)
 {
@@ -9751,12 +9762,7 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
 
 	port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT;
 
-	if (IS_SKYLAKE(dev))
-		skylake_get_ddi_pll(dev_priv, port, pipe_config);
-	else if (IS_BROXTON(dev))
-		bxt_get_ddi_pll(dev_priv, port, pipe_config);
-	else
-		haswell_get_ddi_pll(dev_priv, port, pipe_config);
+	intel_get_ddi_pll(dev_priv, port, pipe_config);
 
 	if (pipe_config->shared_dpll >= 0) {
 		pll = &dev_priv->shared_dplls[pipe_config->shared_dpll];
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index cbcfa14..ee36ddf 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -991,6 +991,8 @@ void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc);
 bool intel_ddi_pll_select(struct intel_crtc *crtc,
 			  struct intel_crtc_state *crtc_state,
 			  struct intel_encoder *encoder, bool find_dpll);
+void intel_get_ddi_pll(struct drm_i915_private *dev_priv, enum port port,
+			struct intel_crtc_state *pipe_config);
 void intel_ddi_set_pipe_settings(struct drm_crtc *crtc);
 void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder);
 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
-- 
1.9.1