[Intel-gfx] [PATCH 03/10] drm/i915: Extract the HSW DDI selection code into its own function

[Damien Lespiau]

Future platform will slightly change that.

Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 0147652..5678c68 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7573,6 +7573,22 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc,
        return 0;
 }
 
+static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
+                               enum port port,
+                               struct intel_crtc_config *pipe_config)
+{
+       pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
+
+       switch (pipe_config->ddi_pll_sel) {
+       case PORT_CLK_SEL_WRPLL1:
+               pipe_config->shared_dpll = DPLL_ID_WRPLL1;
+               break;
+       case PORT_CLK_SEL_WRPLL2:
+               pipe_config->shared_dpll = DPLL_ID_WRPLL2;
+               break;
+       }
+}
+
 static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
                                       struct intel_crtc_config *pipe_config)
 {
@@ -7586,16 +7602,7 @@ static void haswell_get_ddi_port_state(struct intel_crtc 
*crtc,
 
        port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT;
 
-       pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
-
-       switch (pipe_config->ddi_pll_sel) {
-       case PORT_CLK_SEL_WRPLL1:
-               pipe_config->shared_dpll = DPLL_ID_WRPLL1;
-               break;
-       case PORT_CLK_SEL_WRPLL2:
-               pipe_config->shared_dpll = DPLL_ID_WRPLL2;
-               break;
-       }
+       haswell_get_ddi_pll(dev_priv, port, pipe_config);
 
        if (pipe_config->shared_dpll >= 0) {
                pll = &dev_priv->shared_dplls[pipe_config->shared_dpll];
-- 
1.8.3.1

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