Re: [Intel-gfx] [PATCH v5 2/2] drm/i915: Check DP no aux transaction bit on link training

2016-01-05 Thread Mika Kahola
On Mon, 2016-01-04 at 18:27 +0100, Thierry Reding wrote: > On Tue, Dec 22, 2015 at 04:53:41PM +0100, Lukas Wunner wrote: > > Hi Mika, > > > > On Mon, Dec 21, 2015 at 01:39:15PM +0200, Mika Kahola wrote: > > > Check if no AUX transactions are required on DP link training. > > > If this bit is set,

Re: [Intel-gfx] [PATCH v5 2/2] drm/i915: Check DP no aux transaction bit on link training

2016-01-04 Thread Thierry Reding
On Tue, Dec 22, 2015 at 04:53:41PM +0100, Lukas Wunner wrote: > Hi Mika, > > On Mon, Dec 21, 2015 at 01:39:15PM +0200, Mika Kahola wrote: > > Check if no AUX transactions are required on DP link training. > > If this bit is set, we can reuse the known good drive current > > and pre-emphasis level

Re: [Intel-gfx] [PATCH v5 2/2] drm/i915: Check DP no aux transaction bit on link training

2015-12-23 Thread Mika Kahola
On Tue, 2015-12-22 at 16:53 +0100, Lukas Wunner wrote: > Hi Mika, > > On Mon, Dec 21, 2015 at 01:39:15PM +0200, Mika Kahola wrote: > > Check if no AUX transactions are required on DP link training. > > If this bit is set, we can reuse the known good drive current > > and pre-emphasis level from th

Re: [Intel-gfx] [PATCH v5 2/2] drm/i915: Check DP no aux transaction bit on link training

2015-12-23 Thread Jani Nikula
On Tue, 22 Dec 2015, Lukas Wunner wrote: > Hi Mika, > > On Mon, Dec 21, 2015 at 01:39:15PM +0200, Mika Kahola wrote: >> Check if no AUX transactions are required on DP link training. >> If this bit is set, we can reuse the known good drive current >> and pre-emphasis level from the last "full" lin

Re: [Intel-gfx] [PATCH v5 2/2] drm/i915: Check DP no aux transaction bit on link training

2015-12-22 Thread Lukas Wunner
Hi Mika, On Mon, Dec 21, 2015 at 01:39:15PM +0200, Mika Kahola wrote: > Check if no AUX transactions are required on DP link training. > If this bit is set, we can reuse the known good drive current > and pre-emphasis level from the last "full" link training. > > Bugzilla: https://bugs.freedeskto

[Intel-gfx] [PATCH v5 2/2] drm/i915: Check DP no aux transaction bit on link training

2015-12-21 Thread Mika Kahola
Check if no AUX transactions are required on DP link training. If this bit is set, we can reuse the known good drive current and pre-emphasis level from the last "full" link training. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91393 Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915