[Intel-gfx] [PATCH 10/14] drm/i915: Disable LP1+ watermarks safely in init

[Chris Wilson]

On Thu, Dec 05, 2013 at 03:51:37PM +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> ILK doesn't like if we just write the LP1+ watermarks registers with 0.
> We need to just disable the watermarks by clearing the enable bit. Use
> that method also when disabling LP1+ watermarks in init_clock_gating.

Mind clarifying what error is reported under the current method? I
presume this patch removes another cause of underruns.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre