intel_frontbuffer_flip(dev_priv, new_crtc_state->fb_bits);
 
        if (new_crtc_state->update_wm_post && new_crtc_state->hw.active)
-               intel_update_watermarks(crtc);
+               intel_update_watermarks(dev_priv);
 
        if (hsw_post_update_enable_ips(old_crtc_state, new_crtc_state))
                hsw_enable_ips(new_crtc_state);
                if (dev_priv->display.initial_watermarks)
                        dev_priv->display.initial_watermarks(state, crtc);
                else if (new_crtc_state->update_wm_pre)
-                       intel_update_watermarks(crtc);
+                       intel_update_watermarks(dev_priv);
        }
 
        /*
        if (dev_priv->display.initial_watermarks)
                dev_priv->display.initial_watermarks(state, crtc);
        else
-               intel_update_watermarks(crtc);
+               intel_update_watermarks(dev_priv);
        intel_enable_transcoder(new_crtc_state);
 
        intel_crtc_vblank_on(new_crtc_state);
                intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
 
        if (!dev_priv->display.initial_watermarks)
-               intel_update_watermarks(crtc);
+               intel_update_watermarks(dev_priv);
 
        /* clock the pipe down to 640x480@60 to potentially save power */
        if (IS_I830(dev_priv))
                encoder->base.crtc = NULL;
 
        intel_fbc_disable(crtc);
-       intel_update_watermarks(crtc);
+       intel_update_watermarks(dev_priv);
        intel_disable_shared_dpll(crtc_state);
 
        intel_display_power_put_all_in_set(dev_priv, &crtc->enabled_power_domains);
 
        void (*optimize_watermarks)(struct intel_atomic_state *state,
                                    struct intel_crtc *crtc);
        int (*compute_global_watermarks)(struct intel_atomic_state *state);
-       void (*update_wm)(struct intel_crtc *crtc);
+       void (*update_wm)(struct drm_i915_private *dev_priv);
        int (*modeset_calc_cdclk)(struct intel_cdclk_state *state);
        u8 (*calc_voltage_level)(int cdclk);
        /* Returns the active state of the crtc, and if the crtc is active,
 
        return enabled;
 }
 
-static void pnv_update_wm(struct intel_crtc *unused_crtc)
+static void pnv_update_wm(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev);
        struct intel_crtc *crtc;
        const struct cxsr_latency *latency;
        u32 reg;
        mutex_unlock(&dev_priv->wm.wm_mutex);
 }
 
-static void i965_update_wm(struct intel_crtc *unused_crtc)
+static void i965_update_wm(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev);
        struct intel_crtc *crtc;
        int srwm = 1;
        int cursor_sr = 16;
 
 #undef FW_WM
 
-static void i9xx_update_wm(struct intel_crtc *unused_crtc)
+static void i9xx_update_wm(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev);
        const struct intel_watermark_params *wm_info;
        u32 fwater_lo;
        u32 fwater_hi;
                intel_set_memory_cxsr(dev_priv, true);
 }
 
-static void i845_update_wm(struct intel_crtc *unused_crtc)
+static void i845_update_wm(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = to_i915(unused_crtc->base.dev);
        struct intel_crtc *crtc;
        const struct drm_display_mode *pipe_mode;
        u32 fwater_lo;
 
 /**
  * intel_update_watermarks - update FIFO watermark values based on current modes
- * @crtc: the #intel_crtc on which to compute the WM
+ * @dev_priv: i915 device
  *
  * Calculate watermark values for the various WM regs based on current mode
  * and plane configuration.
  * We don't use the sprite, so we can ignore that.  And on Crestline we have
  * to set the non-SR watermarks to 8.
  */
-void intel_update_watermarks(struct intel_crtc *crtc)
+void intel_update_watermarks(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-
        if (dev_priv->display.update_wm)
-               dev_priv->display.update_wm(crtc);
+               dev_priv->display.update_wm(dev_priv);
 }
 
 void intel_enable_ipc(struct drm_i915_private *dev_priv)
 
 void intel_init_clock_gating(struct drm_i915_private *dev_priv);
 void intel_suspend_hw(struct drm_i915_private *dev_priv);
 int ilk_wm_max_level(const struct drm_i915_private *dev_priv);
-void intel_update_watermarks(struct intel_crtc *crtc);
+void intel_update_watermarks(struct drm_i915_private *dev_priv);
 void intel_init_pm(struct drm_i915_private *dev_priv);
 void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv);
 void intel_pm_setup(struct drm_i915_private *dev_priv);