drm/i915: Eliminate {vlv,bxt}_configure_dsi_pll()

Fold the DSI PLL configuration functions into the DSI PLL
enable functions since they are small and not called from anywhere else.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460488478-18311-4-git-send-email-ville.syrjala@linux.intel.com
Tested-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c
index 115f596..1765e6e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dsi_pll.c
+++ b/drivers/gpu/drm/i915/intel_dsi_pll.c
@@ -141,17 +141,6 @@ static int vlv_compute_dsi_pll(struct intel_encoder *encoder,
        return 0;
 }
 
-static void vlv_configure_dsi_pll(struct intel_encoder *encoder,
-                                 const struct intel_crtc_state *config)
-{
-       struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
-       vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL, 0);
-       vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_DIVIDER, config->dsi_pll.div);
-       vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL,
-                     config->dsi_pll.ctrl & ~DSI_PLL_VCO_EN);
-}
-
 static void vlv_enable_dsi_pll(struct intel_encoder *encoder,
                               const struct intel_crtc_state *config)
 {
@@ -161,7 +150,10 @@ static void vlv_enable_dsi_pll(struct intel_encoder *encoder,
 
        mutex_lock(&dev_priv->sb_lock);
 
-       vlv_configure_dsi_pll(encoder, config);
+       vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL, 0);
+       vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_DIVIDER, config->dsi_pll.div);
+       vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL,
+                     config->dsi_pll.ctrl & ~DSI_PLL_VCO_EN);
 
        /* wait at least 0.5 us after ungating before enabling VCO */
        usleep_range(1, 10);
@@ -470,15 +462,6 @@ static int bxt_compute_dsi_pll(struct intel_encoder *encoder,
        return 0;
 }
 
-static void bxt_configure_dsi_pll(struct intel_encoder *encoder,
-                                 const struct intel_crtc_state *config)
-{
-       struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
-       I915_WRITE(BXT_DSI_PLL_CTL, config->dsi_pll.ctrl);
-       POSTING_READ(BXT_DSI_PLL_CTL);
-}
-
 static void bxt_enable_dsi_pll(struct intel_encoder *encoder,
                               const struct intel_crtc_state *config)
 {
@@ -490,7 +473,8 @@ static void bxt_enable_dsi_pll(struct intel_encoder *encoder,
        DRM_DEBUG_KMS("\n");
 
        /* Configure PLL vales */
-       bxt_configure_dsi_pll(encoder, config);
+       I915_WRITE(BXT_DSI_PLL_CTL, config->dsi_pll.ctrl);
+       POSTING_READ(BXT_DSI_PLL_CTL);
 
        /* Program TX, RX, Dphy clocks */
        for_each_dsi_port(port, intel_dsi->ports)