[Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Jesse Barnes
This is a bit like the CMN reset de-assert we do in DPIO_CTL, except that it resets the whole common lane section of the PHY. This is required on machines where the BIOS doesn't do this for us on resume to properly re-calibrate and get the PHY ready to transmit data. Without this patch, such mach

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Daniel Vetter
On Fri, Apr 11, 2014 at 10:00:16AM -0700, Jesse Barnes wrote: > This is a bit like the CMN reset de-assert we do in DPIO_CTL, except > that it resets the whole common lane section of the PHY. This is > required on machines where the BIOS doesn't do this for us on resume to > properly re-calibrate

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Imre Deak
On Fri, 2014-04-11 at 10:00 -0700, Jesse Barnes wrote: > This is a bit like the CMN reset de-assert we do in DPIO_CTL, except > that it resets the whole common lane section of the PHY. This is > required on machines where the BIOS doesn't do this for us on resume to > properly re-calibrate and get

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Ville Syrjälä
On Fri, Apr 11, 2014 at 10:00:16AM -0700, Jesse Barnes wrote: > This is a bit like the CMN reset de-assert we do in DPIO_CTL, except > that it resets the whole common lane section of the PHY. This is > required on machines where the BIOS doesn't do this for us on resume to > properly re-calibrate

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Jesse Barnes
On Fri, 11 Apr 2014 19:16:32 +0200 Daniel Vetter wrote: > On Fri, Apr 11, 2014 at 10:00:16AM -0700, Jesse Barnes wrote: > > This is a bit like the CMN reset de-assert we do in DPIO_CTL, except > > that it resets the whole common lane section of the PHY. This is > > required on machines where the

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Jesse Barnes
On Fri, 11 Apr 2014 20:26:24 +0300 Ville Syrjälä wrote: > On Fri, Apr 11, 2014 at 10:00:16AM -0700, Jesse Barnes wrote: > > This is a bit like the CMN reset de-assert we do in DPIO_CTL, except > > that it resets the whole common lane section of the PHY. This is > > required on machines where the

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Ville Syrjälä
On Fri, Apr 11, 2014 at 10:34:19AM -0700, Jesse Barnes wrote: > On Fri, 11 Apr 2014 19:16:32 +0200 > Daniel Vetter wrote: > > > On Fri, Apr 11, 2014 at 10:00:16AM -0700, Jesse Barnes wrote: > > > This is a bit like the CMN reset de-assert we do in DPIO_CTL, except > > > that it resets the whole c

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Ville Syrjälä
On Fri, Apr 11, 2014 at 10:35:40AM -0700, Jesse Barnes wrote: > On Fri, 11 Apr 2014 20:26:24 +0300 > Ville Syrjälä wrote: > > > On Fri, Apr 11, 2014 at 10:00:16AM -0700, Jesse Barnes wrote: > > > This is a bit like the CMN reset de-assert we do in DPIO_CTL, except > > > that it resets the whole c

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Jesse Barnes
On Fri, 11 Apr 2014 21:10:21 +0300 Ville Syrjälä wrote: > On Fri, Apr 11, 2014 at 10:35:40AM -0700, Jesse Barnes wrote: > > On Fri, 11 Apr 2014 20:26:24 +0300 > > Ville Syrjälä wrote: > > > > > On Fri, Apr 11, 2014 at 10:00:16AM -0700, Jesse Barnes wrote: > > > > This is a bit like the CMN rese

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-11 Thread Jesse Barnes
On Fri, 11 Apr 2014 21:06:31 +0300 Ville Syrjälä wrote: > On Fri, Apr 11, 2014 at 10:34:19AM -0700, Jesse Barnes wrote: > > On Fri, 11 Apr 2014 19:16:32 +0200 > > Daniel Vetter wrote: > > > > > On Fri, Apr 11, 2014 at 10:00:16AM -0700, Jesse Barnes wrote: > > > > This is a bit like the CMN rese

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-15 Thread Purushothaman, Vijay A
> -Original Message- > From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On Behalf Of > Jesse Barnes > Sent: Friday, April 11, 2014 11:46 PM > To: Ville Syrjälä > Cc: intel-gfx@lists.freedesktop.org > Subject: Re: [Intel-gfx] [PATCH] drm/i915/vlv:

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-15 Thread Ville Syrjälä
; > To: Ville Syrjälä > > Cc: intel-gfx@lists.freedesktop.org > > Subject: Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband > > reset on resume > > > > On Fri, 11 Apr 2014 21:10:21 +0300 > > Ville Syrjälä wrote: > > > > > On Fr

Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband reset on resume

2014-04-15 Thread Imre Deak
gt; To: Ville Syrjälä > > Cc: intel-gfx@lists.freedesktop.org > > Subject: Re: [Intel-gfx] [PATCH] drm/i915/vlv: assert and de-assert sideband > > reset on resume > > > > On Fri, 11 Apr 2014 21:10:21 +0300 > > Ville Syrjälä wrote: > > > > > On Fri, Apr 11