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From: Thomas Huth <thuth@redhat.com>
To: Farhan Ali <alifm@linux.vnet.ibm.com>,
	linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
	linux-fbdev@vger.kernel.org
Cc: geert@linux-m68k.org, borntraeger@de.ibm.com,
	tomi.valkeinen@ti.com, b.zolnierkie@samsung.com
Subject: Re: [PATCH v3 3/3] s390/setup : enable display support for KVM guest
Date: Mon, 19 Feb 2018 20:55:39 +0100	[thread overview]
Message-ID: <b7e118a9-9920-07bc-ccac-f72f451fccea@redhat.com> (raw)
In-Reply-To: <8a6103fcc2b05f4426dcf6573a2175ffe6211403.1519053920.git.alifm@linux.vnet.ibm.com>

On 19.02.2018 16:47, Farhan Ali wrote:
> The S390 architecture does not support any graphics hardware,
> but with the latest support for Virtio GPU in Linux and Virtio
> GPU emulation in QEMU, it's possible to enable graphics for
> S390 using the Virtio GPU device.
> 
> To enable display we need to enable the Linux Virtual Terminal (VT)
> layer for S390. But the VT subsystem initializes quite early
> at boot so we need a dummy console driver till the Virtio GPU
> driver is initialized and we can run the framebuffer console.
> 
> The framebuffer console over a Virtio GPU device can be run
> in combination with the serial SCLP console (default on S390).
> The SCLP console can still be accessed by management applications
> (eg: via Libvirt's virsh console).
> 
> Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
>  arch/s390/kernel/setup.c      | 2 ++
>  drivers/tty/Kconfig           | 2 +-
>  drivers/video/console/Kconfig | 2 +-
>  3 files changed, 4 insertions(+), 2 deletions(-)

Reviewed-by: Thomas Huth <thuth@redhat.com>

WARNING: multiple messages have this Message-ID (diff)
From: Thomas Huth <thuth@redhat.com>
To: Farhan Ali <alifm@linux.vnet.ibm.com>,
	linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
	linux-fbdev@vger.kernel.org
Cc: geert@linux-m68k.org, borntraeger@de.ibm.com,
	tomi.valkeinen@ti.com, b.zolnierkie@samsung.com
Subject: Re: [PATCH v3 3/3] s390/setup : enable display support for KVM guest
Date: Mon, 19 Feb 2018 19:55:39 +0000	[thread overview]
Message-ID: <b7e118a9-9920-07bc-ccac-f72f451fccea@redhat.com> (raw)
In-Reply-To: <8a6103fcc2b05f4426dcf6573a2175ffe6211403.1519053920.git.alifm@linux.vnet.ibm.com>

On 19.02.2018 16:47, Farhan Ali wrote:
> The S390 architecture does not support any graphics hardware,
> but with the latest support for Virtio GPU in Linux and Virtio
> GPU emulation in QEMU, it's possible to enable graphics for
> S390 using the Virtio GPU device.
> 
> To enable display we need to enable the Linux Virtual Terminal (VT)
> layer for S390. But the VT subsystem initializes quite early
> at boot so we need a dummy console driver till the Virtio GPU
> driver is initialized and we can run the framebuffer console.
> 
> The framebuffer console over a Virtio GPU device can be run
> in combination with the serial SCLP console (default on S390).
> The SCLP console can still be accessed by management applications
> (eg: via Libvirt's virsh console).
> 
> Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
>  arch/s390/kernel/setup.c      | 2 ++
>  drivers/tty/Kconfig           | 2 +-
>  drivers/video/console/Kconfig | 2 +-
>  3 files changed, 4 insertions(+), 2 deletions(-)

Reviewed-by: Thomas Huth <thuth@redhat.com>

  reply	other threads:[~2018-02-19 19:55 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-19 15:47 [PATCH v3 0/3] Enable CONFIG_VT support for S390 Farhan Ali
2018-02-19 15:47 ` Farhan Ali
2018-02-19 15:47 ` [PATCH v3 1/3] Kconfig : Remove HAS_IOMEM dependency for Graphics support Farhan Ali
2018-02-19 15:47   ` Farhan Ali
2018-02-19 16:25   ` Thomas Huth
2018-02-19 16:25     ` Thomas Huth
2018-02-19 16:38     ` Farhan Ali
2018-02-19 16:38       ` Farhan Ali
2018-02-21 10:05       ` Christian Borntraeger
2018-02-21 10:05         ` Christian Borntraeger
2018-02-21 10:22         ` Christian Borntraeger
2018-02-21 10:22           ` Christian Borntraeger
2018-02-21 10:32           ` Cornelia Huck
2018-02-21 10:32             ` Cornelia Huck
2018-02-21 11:09             ` Christian Borntraeger
2018-02-21 11:09               ` Christian Borntraeger
2018-02-21 11:14               ` Thomas Huth
2018-02-21 11:14                 ` Thomas Huth
2018-02-21 11:22                 ` Christian Borntraeger
2018-02-21 11:22                   ` Christian Borntraeger
2018-02-21 11:29                   ` Thomas Huth
2018-02-21 11:29                     ` Thomas Huth
2018-02-21 11:49                     ` Christian Borntraeger
2018-02-21 11:49                       ` Christian Borntraeger
2018-02-21 12:07                       ` Cornelia Huck
2018-02-21 12:07                         ` Cornelia Huck
2018-02-21 12:11                         ` Christian Borntraeger
2018-02-21 12:11                           ` Christian Borntraeger
2018-02-21 16:39                           ` Farhan Ali
2018-02-21 16:39                             ` Farhan Ali
2018-02-22  7:34                             ` Christian Borntraeger
2018-02-22  7:34                               ` Christian Borntraeger
2018-02-21 11:23                 ` Cornelia Huck
2018-02-21 11:23                   ` Cornelia Huck
2018-02-21  8:44   ` Christian Borntraeger
2018-02-21  8:44     ` Christian Borntraeger
2018-02-21 11:50     ` Bartlomiej Zolnierkiewicz
2018-02-21 11:50       ` Bartlomiej Zolnierkiewicz
2018-02-19 15:47 ` [PATCH v3 2/3] s390/char : Rename EBCDIC keymap variables Farhan Ali
2018-02-19 15:47   ` Farhan Ali
2018-02-19 19:52   ` Thomas Huth
2018-02-19 19:52     ` Thomas Huth
2018-02-19 15:47 ` [PATCH v3 3/3] s390/setup : enable display support for KVM guest Farhan Ali
2018-02-19 15:47   ` Farhan Ali
2018-02-19 19:55   ` Thomas Huth [this message]
2018-02-19 19:55     ` Thomas Huth
2018-02-20  9:43 ` [PATCH v3 0/3] Enable CONFIG_VT support for S390 Christian Borntraeger
2018-02-20  9:43   ` Christian Borntraeger
2018-02-20 13:45   ` Farhan Ali

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