[PATCH 60/66] drm/i915: Document that the pll->mode_set hook is optional

Daniel Vetter
2014-04-24T21:57:15Z

The WRPLLs won't use them.

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 babeb7e92ee4..b01ee265310f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -198,6 +198,8 @@ 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,
--
1.8.1.4