From: Daniel Vetter <daniel.vet...@ffwll.ch>

The WRPLLs won't use them.

Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Reviewed-by: Damien Lespiau <damien.lesp...@intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7b0cbe4..650a5ad 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -206,6 +206,8 @@ struct intel_shared_dpll {
        /* should match the index in the dev_priv->shared_dplls array */
        enum intel_dpll_id id;
        struct intel_dpll_hw_state hw_state;
+       /* The mode_set hook is optional and should be used together with the
+        * intel_prepare_shared_dpll function. */
        void (*mode_set)(struct drm_i915_private *dev_priv,
                         struct intel_shared_dpll *pll);
        void (*enable)(struct drm_i915_private *dev_priv,
-- 
1.8.4

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