Re: [Intel-gfx] [PATCH v5 3/3] drm/i915: DP channel EQ check for use of DP link training optimization

2016-01-11 Thread Ville Syrjälä
On Tue, Jan 05, 2016 at 01:08:13PM +0200, Mika Kahola wrote: > On Mon, 2016-01-04 at 18:53 +0200, Ville Syrjälä wrote: > > On Mon, Jan 04, 2016 at 06:44:09PM +0200, Ville Syrjälä wrote: > > > On Mon, Jan 04, 2016 at 01:21:24PM +0200, Mika Kahola wrote: > > > > Don't use DP link training

Re: [Intel-gfx] [PATCH v5 3/3] drm/i915: DP channel EQ check for use of DP link training optimization

2016-01-05 Thread Mika Kahola
On Mon, 2016-01-04 at 18:44 +0200, Ville Syrjälä wrote: > On Mon, Jan 04, 2016 at 01:21:24PM +0200, Mika Kahola wrote: > > Don't use DP link training optimization if channel EQ is not ok. It has > > been reported that in case of failure in channel EQ check the link training > > optimization can be

Re: [Intel-gfx] [PATCH v5 3/3] drm/i915: DP channel EQ check for use of DP link training optimization

2016-01-05 Thread Mika Kahola
On Mon, 2016-01-04 at 18:53 +0200, Ville Syrjälä wrote: > On Mon, Jan 04, 2016 at 06:44:09PM +0200, Ville Syrjälä wrote: > > On Mon, Jan 04, 2016 at 01:21:24PM +0200, Mika Kahola wrote: > > > Don't use DP link training optimization if channel EQ is not ok. It has > > > been reported that in case

Re: [Intel-gfx] [PATCH v5 3/3] drm/i915: DP channel EQ check for use of DP link training optimization

2016-01-04 Thread Ville Syrjälä
On Mon, Jan 04, 2016 at 06:44:09PM +0200, Ville Syrjälä wrote: > On Mon, Jan 04, 2016 at 01:21:24PM +0200, Mika Kahola wrote: > > Don't use DP link training optimization if channel EQ is not ok. It has > > been reported that in case of failure in channel EQ check the link training > > optimization

Re: [Intel-gfx] [PATCH v5 3/3] drm/i915: DP channel EQ check for use of DP link training optimization

2016-01-04 Thread Ville Syrjälä
On Mon, Jan 04, 2016 at 01:21:24PM +0200, Mika Kahola wrote: > Don't use DP link training optimization if channel EQ is not ok. It has > been reported that in case of failure in channel EQ check the link training > optimization can be enabled and therefore may not be able to reuse the > previously