Re: [Intel-gfx] [PATCH] drm/i915: Drop vblank wait from intel_dp_link_down

2015-02-09 Thread Jani Nikula
On Mon, 09 Feb 2015, Jani Nikula wrote: > On Mon, 09 Feb 2015, Ville Syrjälä wrote: >> On Mon, Feb 09, 2015 at 03:15:56PM +0200, Jani Nikula wrote: >>> On Wed, 26 Nov 2014, Paulo Zanoni wrote: >>> > 2014-11-24 13:54 GMT-02:00 Daniel Vetter : >>> >> Nothing in Bspec seems to indicate that we actu

Re: [Intel-gfx] [PATCH] drm/i915: Drop vblank wait from intel_dp_link_down

2015-02-09 Thread Jani Nikula
On Mon, 09 Feb 2015, Ville Syrjälä wrote: > On Mon, Feb 09, 2015 at 03:15:56PM +0200, Jani Nikula wrote: >> On Wed, 26 Nov 2014, Paulo Zanoni wrote: >> > 2014-11-24 13:54 GMT-02:00 Daniel Vetter : >> >> Nothing in Bspec seems to indicate that we actually needs this, and it >> >> looks like can't

Re: [Intel-gfx] [PATCH] drm/i915: Drop vblank wait from intel_dp_link_down

2015-02-09 Thread Ville Syrjälä
On Mon, Feb 09, 2015 at 03:15:56PM +0200, Jani Nikula wrote: > On Wed, 26 Nov 2014, Paulo Zanoni wrote: > > 2014-11-24 13:54 GMT-02:00 Daniel Vetter : > >> Nothing in Bspec seems to indicate that we actually needs this, and it > >> looks like can't work since by this point the pipe is off and so >

Re: [Intel-gfx] [PATCH] drm/i915: Drop vblank wait from intel_dp_link_down

2015-02-09 Thread Jani Nikula
On Wed, 26 Nov 2014, Paulo Zanoni wrote: > 2014-11-24 13:54 GMT-02:00 Daniel Vetter : >> Nothing in Bspec seems to indicate that we actually needs this, and it >> looks like can't work since by this point the pipe is off and so >> vblanks won't really happen any more. >> >> Note that Bspec mention

Re: [Intel-gfx] [PATCH] drm/i915: Drop vblank wait from intel_dp_link_down

2014-11-26 Thread Paulo Zanoni
2014-11-24 13:54 GMT-02:00 Daniel Vetter : > Nothing in Bspec seems to indicate that we actually needs this, and it > looks like can't work since by this point the pipe is off and so > vblanks won't really happen any more. > > Note that Bspec mentions that it takes a vblank for this bit to > change

Re: [Intel-gfx] [PATCH] drm/i915: Drop vblank wait from

2014-11-24 Thread shuang . he
Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang...@intel.com) -Summary- Platform Delta drm-intel-nightly Series Applied PNV 367/367

[Intel-gfx] [PATCH] drm/i915: Drop vblank wait from intel_dp_link_down

2014-11-24 Thread Daniel Vetter
Nothing in Bspec seems to indicate that we actually needs this, and it looks like can't work since by this point the pipe is off and so vblanks won't really happen any more. Note that Bspec mentions that it takes a vblank for this bit to change, but _only_ when enabling. Dropping this code quench