Re: [Intel-gfx] [PATCH 01/12] drm/i915: Reduce CHV DDL multiplier to 16/8

2015-03-02 Thread Arun R Murthy
From: Ville Syrjälä Apparently we must yet halve the DDL drain latency from what we're using currently. This little nugget is not in any spec, but came down through the grapevine. This makes the displays a bit more stable. Not quite fully stable but at least they don't fall over immediately o

Re: [Intel-gfx] [PATCH 01/12] drm/i915: Reduce CHV DDL multiplier to 16/8

2015-02-27 Thread Ville Syrjälä
On Fri, Feb 27, 2015 at 09:36:58AM -0800, Jesse Barnes wrote: > On 02/10/2015 05:28 AM, ville.syrj...@linux.intel.com wrote: > > From: Ville Syrjälä > > > > Apparently we must yet halve the DDL drain latency from what we're > > using currently. This little nugget is not in any spec, but came > >

Re: [Intel-gfx] [PATCH 01/12] drm/i915: Reduce CHV DDL multiplier to 16/8

2015-02-27 Thread Jesse Barnes
On 02/10/2015 05:28 AM, ville.syrj...@linux.intel.com wrote: > From: Ville Syrjälä > > Apparently we must yet halve the DDL drain latency from what we're > using currently. This little nugget is not in any spec, but came > down through the grapevine. > > This makes the displays a bit more stable

[Intel-gfx] [PATCH 01/12] drm/i915: Reduce CHV DDL multiplier to 16/8

2015-02-10 Thread ville . syrjala
From: Ville Syrjälä Apparently we must yet halve the DDL drain latency from what we're using currently. This little nugget is not in any spec, but came down through the grapevine. This makes the displays a bit more stable. Not quite fully stable but at least they don't fall over immediately on d