drm/i915/dsi: move dsi pll modeset asserts to vlv_dsi_pll.c

Keep the functionality and the assert code together.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0a5fa9b8d4d4615d4e6503b6bb33541c0bccffbb.1632992608.git.jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_color.c

@@ -26,6 +26,7 @@
 #include "intel_de.h"
 #include "intel_display_types.h"
 #include "intel_dpll.h"
+#include "intel_dsi.h"
 
 #define CTM_COEFF_SIGN	(1ULL << 63)
 

drivers/gpu/drm/i915/display/intel_display.c

@@ -398,22 +398,6 @@ intel_wait_for_pipe_off(const struct intel_crtc_state *old_crtc_state)
 	}
 }
 
-/* XXX: the dsi pll is shared between MIPI DSI ports */
-void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state)
-{
-	u32 val;
-	bool cur_state;
-
-	vlv_cck_get(dev_priv);
-	val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL);
-	vlv_cck_put(dev_priv);
-
-	cur_state = val & DSI_PLL_VCO_EN;
-	I915_STATE_WARN(cur_state != state,
-	     "DSI PLL state assertion failure (expected %s, current %s)\n",
-			onoff(state), onoff(cur_state));
-}
-
 void assert_transcoder(struct drm_i915_private *dev_priv,
 		       enum transcoder cpu_transcoder, bool state)
 {

drivers/gpu/drm/i915/display/intel_display.h

@@ -645,9 +645,6 @@ void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
 int intel_modeset_all_pipes(struct intel_atomic_state *state);
 
 /* modesetting asserts */
-void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state);
-#define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true)
-#define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false)
 void assert_transcoder(struct drm_i915_private *dev_priv,
 		       enum transcoder cpu_transcoder, bool state);
 #define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true)

drivers/gpu/drm/i915/display/intel_dsi.h

@@ -207,6 +207,9 @@ u32 bxt_dsi_get_pclk(struct intel_encoder *encoder,
 		     struct intel_crtc_state *config);
 void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port);
 
+void assert_dsi_pll_enabled(struct drm_i915_private *i915);
+void assert_dsi_pll_disabled(struct drm_i915_private *i915);
+
 /* intel_dsi_vbt.c */
 bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id);
 void intel_dsi_vbt_gpio_init(struct intel_dsi *intel_dsi, bool panel_is_on);

drivers/gpu/drm/i915/display/vlv_dsi_pll.c

@@ -568,3 +568,26 @@ void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port)
 	}
 	intel_de_write(dev_priv, MIPI_EOT_DISABLE(port), CLOCKSTOP);
 }
+
+static void assert_dsi_pll(struct drm_i915_private *i915, bool state)
+{
+	bool cur_state;
+
+	vlv_cck_get(i915);
+	cur_state = vlv_cck_read(i915, CCK_REG_DSI_PLL_CONTROL) & DSI_PLL_VCO_EN;
+	vlv_cck_put(i915);
+
+	I915_STATE_WARN(cur_state != state,
+			"DSI PLL state assertion failure (expected %s, current %s)\n",
+			onoff(state), onoff(cur_state));
+}
+
+void assert_dsi_pll_enabled(struct drm_i915_private *i915)
+{
+	assert_dsi_pll(i915, true);
+}
+
+void assert_dsi_pll_disabled(struct drm_i915_private *i915)
+{
+	assert_dsi_pll(i915, false);
+}