[PATCH 09/14] drm/i915: enable display messages to GT on ValleyView

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On Fri, Jun 15, 2012 at 11:55:21AM -0700, Jesse Barnes wrote:
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---
>  drivers/gpu/drm/i915/intel_pm.c |    7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index d0ce2a5..4fa1a78 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -3474,6 +3474,13 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
>  
>  	I915_WRITE(CACHE_MODE_1,
>  		   _MASKED_BIT_ENABLE(PIXEL_SUBSPAN_COLLECT_OPT_DISABLE));
> +
> +	/*
> +	 * On ValleyView, the GUnit needs to signal the GT
> +	 * when flip and other events complete.  So enable
> +	 * all the GUnit->GT interrupts here
> +	 */
> +	I915_WRITE(VLV_DPFLIPSTAT, 0x3f7f0000);

... can we have less magic here, please? Not that anyone but you seems to
have access to docs :(
-Daniel

>  }
>  
>  static void g4x_init_clock_gating(struct drm_device *dev)
> -- 
> 1.7.9.5
> 
> _______________________________________________
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> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48


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