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From: Ed Tomlinson <edt@aei.ca>
To: Chris Wilson <chris@chris-wilson.co.uk>,
	Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	LKML <linux-kernel@vger.kernel.org>,
	David Herrmann <dh.herrmann@gmail.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	Tomi Valkeinen <tomi.valkeinen@ti.com>,
	linux-fbdev@vger.kernel.org,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Dave Airlie <airlied@linux.ie>
Subject: Re: [Intel-gfx] [PATCH 5/5] drm/i915: Kick out vga console
Date: Tue, 08 Jul 2014 02:53:16 +0000	[thread overview]
Message-ID: <2319392.n3fnJUhemF@grover> (raw)
In-Reply-To: <20140707122654.GQ5821@phenom.ffwll.local>

Hi Daniel,

The patch below also works.  You can use my Tested By for it.

Thanks
Ed Tomlinson <edtoml@gmail.com>

PS. I _really_ need to get a serial console working on my i7 box.

On Monday 07 July 2014 14:26:54 Daniel Vetter wrote:
> On Mon, Jul 07, 2014 at 06:45:49AM -0400, Ed Tomlinson wrote:
> > Daniel,
> > 
> > I am not quite sure I understand what you want me to test?
> > Do you want me to try it without:
> > 
> > > > +               if (ret = 0) {
> > > > +                       ret = do_unregister_con_driver(&vga_con);
> 
> Below the diff of what I mean.
> -Daniel
> 
> 
> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
> index 5e583a1838f8..bd8517151479 100644
> --- a/drivers/gpu/drm/i915/i915_dma.c
> +++ b/drivers/gpu/drm/i915/i915_dma.c
> @@ -1466,12 +1466,13 @@ static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
>  #else
>  static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
>  {
> -	int ret;
> +	int ret = 0;
>  
>  	DRM_INFO("Replacing VGA console driver\n");
>  
>  	console_lock();
> -	ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
> +	if (con_is_bound(&vga_con))
> +		ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
>  	if (ret = 0) {
>  		ret = do_unregister_con_driver(&vga_con);
>  
> 


WARNING: multiple messages have this Message-ID (diff)
From: Ed Tomlinson <edt@aei.ca>
To: Chris Wilson <chris@chris-wilson.co.uk>,
	Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	LKML <linux-kernel@vger.kernel.org>,
	David Herrmann <dh.herrmann@gmail.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	Tomi Valkeinen <tomi.valkeinen@ti.com>,
	linux-fbdev@vger.kernel.org,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Dave Airlie <airlied@linux.ie>
Subject: Re: [PATCH 5/5] drm/i915: Kick out vga console
Date: Mon, 07 Jul 2014 22:53:16 -0400	[thread overview]
Message-ID: <2319392.n3fnJUhemF@grover> (raw)
In-Reply-To: <20140707122654.GQ5821@phenom.ffwll.local>

Hi Daniel,

The patch below also works.  You can use my Tested By for it.

Thanks
Ed Tomlinson <edtoml@gmail.com>

PS. I _really_ need to get a serial console working on my i7 box.

On Monday 07 July 2014 14:26:54 Daniel Vetter wrote:
> On Mon, Jul 07, 2014 at 06:45:49AM -0400, Ed Tomlinson wrote:
> > Daniel,
> > 
> > I am not quite sure I understand what you want me to test?
> > Do you want me to try it without:
> > 
> > > > +               if (ret == 0) {
> > > > +                       ret = do_unregister_con_driver(&vga_con);
> 
> Below the diff of what I mean.
> -Daniel
> 
> 
> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
> index 5e583a1838f8..bd8517151479 100644
> --- a/drivers/gpu/drm/i915/i915_dma.c
> +++ b/drivers/gpu/drm/i915/i915_dma.c
> @@ -1466,12 +1466,13 @@ static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
>  #else
>  static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
>  {
> -	int ret;
> +	int ret = 0;
>  
>  	DRM_INFO("Replacing VGA console driver\n");
>  
>  	console_lock();
> -	ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
> +	if (con_is_bound(&vga_con))
> +		ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
>  	if (ret == 0) {
>  		ret = do_unregister_con_driver(&vga_con);
>  
> 

WARNING: multiple messages have this Message-ID (diff)
From: Ed Tomlinson <edt@aei.ca>
To: Chris Wilson <chris@chris-wilson.co.uk>,
	Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	LKML <linux-kernel@vger.kernel.org>,
	David Herrmann <dh.herrmann@gmail.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	Tomi Valkeinen <tomi.valkeinen@ti.com>,
	linux-fbdev@vger.kernel.org,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Dave Airlie <airlied@linux.ie>
Subject: Re: [Intel-gfx] [PATCH 5/5] drm/i915: Kick out vga console
Date: Mon, 07 Jul 2014 22:53:16 -0400	[thread overview]
Message-ID: <2319392.n3fnJUhemF@grover> (raw)
In-Reply-To: <20140707122654.GQ5821@phenom.ffwll.local>

Hi Daniel,

The patch below also works.  You can use my Tested By for it.

Thanks
Ed Tomlinson <edtoml@gmail.com>

PS. I _really_ need to get a serial console working on my i7 box.

On Monday 07 July 2014 14:26:54 Daniel Vetter wrote:
> On Mon, Jul 07, 2014 at 06:45:49AM -0400, Ed Tomlinson wrote:
> > Daniel,
> > 
> > I am not quite sure I understand what you want me to test?
> > Do you want me to try it without:
> > 
> > > > +               if (ret == 0) {
> > > > +                       ret = do_unregister_con_driver(&vga_con);
> 
> Below the diff of what I mean.
> -Daniel
> 
> 
> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
> index 5e583a1838f8..bd8517151479 100644
> --- a/drivers/gpu/drm/i915/i915_dma.c
> +++ b/drivers/gpu/drm/i915/i915_dma.c
> @@ -1466,12 +1466,13 @@ static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
>  #else
>  static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
>  {
> -	int ret;
> +	int ret = 0;
>  
>  	DRM_INFO("Replacing VGA console driver\n");
>  
>  	console_lock();
> -	ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
> +	if (con_is_bound(&vga_con))
> +		ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
>  	if (ret == 0) {
>  		ret = do_unregister_con_driver(&vga_con);
>  
> 


  reply	other threads:[~2014-07-08  2:53 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-05 14:58 [PATCH 1/5] vt: Fix replacement console check when unbinding Daniel Vetter
2014-06-05 14:58 ` Daniel Vetter
2014-06-05 14:58 ` [PATCH 2/5] vt: Fix up unregistration of vt drivers Daniel Vetter
2014-06-05 14:58   ` Daniel Vetter
2014-06-06  7:24   ` David Herrmann
2014-06-06  7:24     ` David Herrmann
2014-06-06  7:56     ` Daniel Vetter
2014-06-06  7:56       ` Daniel Vetter
2014-06-06  8:47       ` David Herrmann
2014-06-06  9:40         ` Daniel Vetter
2014-06-06  9:40           ` Daniel Vetter
2014-06-06 15:51           ` Greg Kroah-Hartman
2014-06-06 20:21             ` [Intel-gfx] " Daniel Vetter
2014-06-06 20:21               ` Daniel Vetter
2014-06-05 14:58 ` [PATCH 3/5] vt: Don't ignore unbind errors in vt_unbind Daniel Vetter
2014-06-05 14:58   ` Daniel Vetter
2014-06-06  7:13   ` David Herrmann
2014-06-06  7:13     ` David Herrmann
2014-06-05 14:58 ` [PATCH 4/5] drm/i915: Fixup global gtt cleanup Daniel Vetter
2014-06-05 14:58   ` Daniel Vetter
2014-06-06 13:22   ` Imre Deak
2014-06-06 13:22     ` Imre Deak
2014-06-05 14:58 ` [PATCH 5/5] drm/i915: Kick out vga console Daniel Vetter
2014-06-05 14:58   ` Daniel Vetter
2014-06-05 14:58   ` Daniel Vetter
2014-06-06  7:28   ` David Herrmann
2014-06-06  7:28     ` David Herrmann
2014-06-06  7:28     ` David Herrmann
2014-06-06  7:47     ` Daniel Vetter
2014-06-06  7:47       ` Daniel Vetter
2014-06-06  7:47       ` Daniel Vetter
2014-06-06 15:20   ` Daniel Vetter
2014-06-06 15:20     ` Daniel Vetter
2014-06-06 15:20     ` Daniel Vetter
2014-06-09 13:22     ` Tomi Valkeinen
2014-06-09 13:22       ` Tomi Valkeinen
2014-06-09 13:22       ` Tomi Valkeinen
2014-06-28 19:28   ` Ed Tomlinson
2014-06-29  3:55     ` Ed Tomlinson
2014-06-29  3:55       ` Ed Tomlinson
2014-06-30  6:59       ` Chris Wilson
2014-06-30  6:59         ` Chris Wilson
2014-06-30  6:59         ` Chris Wilson
2014-06-30  8:19         ` David Herrmann
2014-06-30  8:19           ` David Herrmann
2014-07-01 13:51         ` Ed Tomlinson
2014-07-01 13:51           ` Ed Tomlinson
2014-07-01 13:51           ` Ed Tomlinson
2014-07-07  8:48         ` [Intel-gfx] " Daniel Vetter
2014-07-07  8:48           ` Daniel Vetter
2014-07-07  8:48           ` Daniel Vetter
2014-07-07 10:45           ` [Intel-gfx] " Ed Tomlinson
2014-07-07 10:45             ` Ed Tomlinson
2014-07-07 10:45             ` Ed Tomlinson
2014-07-07 12:26             ` [Intel-gfx] " Daniel Vetter
2014-07-07 12:26               ` Daniel Vetter
2014-07-07 12:26               ` Daniel Vetter
2014-07-08  2:53               ` Ed Tomlinson [this message]
2014-07-08  2:53                 ` Ed Tomlinson
2014-07-08  2:53                 ` Ed Tomlinson
2014-07-08  8:10                 ` [Intel-gfx] " Daniel Vetter
2014-07-08  8:10                   ` Daniel Vetter
2014-07-08  8:10                   ` Daniel Vetter
2014-07-07 10:59           ` [Intel-gfx] " Ed Tomlinson
2014-07-07 10:59             ` Ed Tomlinson
2014-07-07 10:59             ` Ed Tomlinson
2014-06-06  7:16 ` [PATCH 1/5] vt: Fix replacement console check when unbinding David Herrmann
2014-06-06  7:16   ` David Herrmann
2014-06-06  7:49   ` Daniel Vetter
2014-06-06  7:49     ` Daniel Vetter
2014-06-06  9:43 ` [PATCH] " Daniel Vetter
2014-06-06  9:43   ` Daniel Vetter

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