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drm/i915: Support not having an init clock gating function defined 

When enabling new platforms, we may not have any W/A to apply,
especially that, now, a bunch of them have to be done from the ring.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2015-02-09 19:33:05 +00:00 committed by Daniel Vetter
parent e35fef211b
commit c57e355122
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/intel_pm.c
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@ -6386,7 +6386,8 @@ void intel_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
dev_priv->display.init_clock_gating(dev);
if (dev_priv->display.init_clock_gating)
dev_priv->display.init_clock_gating(dev);
}
void intel_suspend_hw(struct drm_device *dev)