On Wed, Jun 05, 2013 at 01:34:19PM +0200, Daniel Vetter wrote:
> Now that we have proper hw state reconstruction we should never have a
> case where we don't have the software dpll state properly set up. So
> add WARNs to the respective !pll cases in enable/disabel_shared_dpll.
> 
> Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>

Reviewed-by: Damien Lespiau <damien.lesp...@intel.com>

-- 
Damien

> ---
>  drivers/gpu/drm/i915/intel_display.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c 
> b/drivers/gpu/drm/i915/intel_display.c
> index c42b87b..388ac54 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -1371,7 +1371,7 @@ static void ironlake_enable_shared_dpll(struct 
> intel_crtc *crtc)
>  
>       /* PCH PLLs only available on ILK, SNB and IVB */
>       BUG_ON(dev_priv->info->gen < 5);
> -     if (pll == NULL)
> +     if (WARN_ON(pll == NULL))
>               return;
>  
>       if (WARN_ON(pll->refcount == 0))
> @@ -1399,7 +1399,7 @@ static void intel_disable_shared_dpll(struct intel_crtc 
> *crtc)
>  
>       /* PCH only available on ILK+ */
>       BUG_ON(dev_priv->info->gen < 5);
> -     if (pll == NULL)
> +     if (WARN_ON(pll == NULL))
>              return;
>  
>       if (WARN_ON(pll->refcount == 0))
> -- 
> 1.7.11.7
> 
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