drm/i915: use funcs from intel_shared_dpll.info

Replace all users of pll->funcs.* to use
pll->info->funcs->*. The extra indirection here is not on any critical
path and we can leave all const data together.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180320220637.21480-4-lucas.demarchi@intel.com

drivers/gpu/drm/i915/intel_display.c

@@ -8763,8 +8763,8 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
 			intel_get_shared_dpll_by_id(dev_priv, pll_id);
 		pll = pipe_config->shared_dpll;
 
-		WARN_ON(!pll->funcs.get_hw_state(dev_priv, pll,
-						 &pipe_config->dpll_hw_state));
+		WARN_ON(!pll->info->funcs->get_hw_state(dev_priv, pll,
+						&pipe_config->dpll_hw_state));
 
 		tmp = pipe_config->dpll_hw_state.dpll;
 		pipe_config->pixel_multiplier =
@@ -9240,8 +9240,8 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
 
 	pll = pipe_config->shared_dpll;
 	if (pll) {
-		WARN_ON(!pll->funcs.get_hw_state(dev_priv, pll,
-						 &pipe_config->dpll_hw_state));
+		WARN_ON(!pll->info->funcs->get_hw_state(dev_priv, pll,
+						&pipe_config->dpll_hw_state));
 	}
 
 	/*
@@ -11655,7 +11655,7 @@ verify_single_dpll_state(struct drm_i915_private *dev_priv,
 
 	DRM_DEBUG_KMS("%s\n", pll->name);
 
-	active = pll->funcs.get_hw_state(dev_priv, pll, &dpll_hw_state);
+	active = pll->info->funcs->get_hw_state(dev_priv, pll, &dpll_hw_state);
 
 	if (!(pll->flags & INTEL_DPLL_ALWAYS_ON)) {
 		I915_STATE_WARN(!pll->on && pll->active_mask,
@@ -15128,8 +15128,8 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
 	for (i = 0; i < dev_priv->num_shared_dpll; i++) {
 		struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
 
-		pll->on = pll->funcs.get_hw_state(dev_priv, pll,
-						  &pll->state.hw_state);
+		pll->on = pll->info->funcs->get_hw_state(dev_priv, pll,
+							&pll->state.hw_state);
 		pll->state.crtc_mask = 0;
 		for_each_intel_crtc(dev, crtc) {
 			struct intel_crtc_state *crtc_state =
@@ -15318,7 +15318,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev,
 
 		DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name);
 
-		pll->funcs.disable(dev_priv, pll);
+		pll->info->funcs->disable(dev_priv, pll);
 		pll->on = false;
 	}
 

drivers/gpu/drm/i915/intel_dpll_mgr.c

@@ -118,7 +118,7 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv,
 	if (WARN(!pll, "asserting DPLL %s with no DPLL\n", onoff(state)))
 		return;
 
-	cur_state = pll->funcs.get_hw_state(dev_priv, pll, &hw_state);
+	cur_state = pll->info->funcs->get_hw_state(dev_priv, pll, &hw_state);
 	I915_STATE_WARN(cur_state != state,
 	     "%s assertion failure (expected %s, current %s)\n",
 			pll->name, onoff(state), onoff(cur_state));
@@ -147,7 +147,7 @@ void intel_prepare_shared_dpll(struct intel_crtc *crtc)
 		WARN_ON(pll->on);
 		assert_shared_dpll_disabled(dev_priv, pll);
 
-		pll->funcs.prepare(dev_priv, pll);
+		pll->info->funcs->prepare(dev_priv, pll);
 	}
 	mutex_unlock(&dev_priv->dpll_lock);
 }
@@ -190,7 +190,7 @@ void intel_enable_shared_dpll(struct intel_crtc *crtc)
 	WARN_ON(pll->on);
 
 	DRM_DEBUG_KMS("enabling %s\n", pll->name);
-	pll->funcs.enable(dev_priv, pll);
+	pll->info->funcs->enable(dev_priv, pll);
 	pll->on = true;
 
 out:
@@ -232,7 +232,7 @@ void intel_disable_shared_dpll(struct intel_crtc *crtc)
 		goto out;
 
 	DRM_DEBUG_KMS("disabling %s\n", pll->name);
-	pll->funcs.disable(dev_priv, pll);
+	pll->info->funcs->disable(dev_priv, pll);
 	pll->on = false;
 
 out:
@@ -2414,7 +2414,6 @@ void intel_shared_dpll_init(struct drm_device *dev)
 
 		dev_priv->shared_dplls[i].id = dpll_info[i].id;
 		dev_priv->shared_dplls[i].name = dpll_info[i].name;
-		dev_priv->shared_dplls[i].funcs = *dpll_info[i].funcs;
 		dev_priv->shared_dplls[i].flags = dpll_info[i].flags;
 	}
 

drivers/gpu/drm/i915/intel_dpll_mgr.h

@@ -211,6 +211,9 @@ struct intel_shared_dpll_funcs {
 struct dpll_info {
 	const char *name;
 	const int id;
+	/**
+	 * @funcs: platform specific hooks
+	 */
 	const struct intel_shared_dpll_funcs *funcs;
 	uint32_t flags;
 };
@@ -248,11 +251,6 @@ struct intel_shared_dpll {
 	 */
 	enum intel_dpll_id id;
 
-	/**
-	 * @funcs: platform specific hooks
-	 */
-	struct intel_shared_dpll_funcs funcs;
-
 	/**
 	 * @info: platform specific info
 	 */