From 96f6128cbb1cf020e5b4c53656fd6b2f588727d9 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 25 Jun 2014 22:01:58 +0300
Subject: [PATCH] drm/i915: Document that the pll->mode_set hook is optional
The WRPLLs won't use them.
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
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 3d8783831e85..26982d12039f 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,
--
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