From: Gerd Hoffmann <kraxel@redhat.com>
To: Kirti Wankhede <kwankhede@nvidia.com>,
Alex Williamson <alex.williamson@redhat.com>
Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
zhiyuan.lv@intel.com, Xiaoguang Chen <xiaoguang.chen@intel.com>,
intel-gvt-dev@lists.freedesktop.org
Subject: Re: [PATCH v9 5/7] vfio: Define vfio based dma-buf operations
Date: Fri, 14 Jul 2017 11:58:40 +0200 [thread overview]
Message-ID: <1500026320.28252.5.camel@redhat.com> (raw)
In-Reply-To: <42b821d9-9467-1679-3351-4a234243f520@nvidia.com>
Hi,
> > > Right we need to know this at device initialization time for both
> > > cases
> > > to initialize VGACommonState structure for that device
> >
> > Why do you need a VGACommonState?
> >
>
> We need to create a GRAPHIC_CONSOLE for vGPU device and specify
> GraphicHwOps so that from its .gfx_update callback, surface can be
> queried and updated.
Yes, you need GraphicHwOps, but there is no need to have a
VGACommonState for that.
> > > and also need
> > > NONE to decide whether to init console vnc or not. We have a
> > > mechanism
> > > to disable console vnc path and we recommend to disable it for
> > > better
> > > performance.
> >
> > Hmm, maybe we should have a ioctl to configure the refresh rate, or
> > a
> > ioctl to allow qemu ask for a refresh when needed?
> >
>
> What is default refresh rate of QEMU if vnc is connected?
/* in ms */
#define GUI_REFRESH_INTERVAL_DEFAULT 30
#define GUI_REFRESH_INTERVAL_IDLE 3000
cheers,
Gerd
_______________________________________________
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Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
WARNING: multiple messages have this Message-ID (diff)
From: Gerd Hoffmann <kraxel@redhat.com>
To: Kirti Wankhede <kwankhede@nvidia.com>,
Alex Williamson <alex.williamson@redhat.com>
Cc: Xiaoguang Chen <xiaoguang.chen@intel.com>,
chris@chris-wilson.co.uk, intel-gfx@lists.freedesktop.org,
linux-kernel@vger.kernel.org, zhenyuw@linux.intel.com,
zhiyuan.lv@intel.com, intel-gvt-dev@lists.freedesktop.org,
zhi.a.wang@intel.com, kevin.tian@intel.com
Subject: Re: [PATCH v9 5/7] vfio: Define vfio based dma-buf operations
Date: Fri, 14 Jul 2017 11:58:40 +0200 [thread overview]
Message-ID: <1500026320.28252.5.camel@redhat.com> (raw)
In-Reply-To: <42b821d9-9467-1679-3351-4a234243f520@nvidia.com>
Hi,
> > > Right we need to know this at device initialization time for both
> > > cases
> > > to initialize VGACommonState structure for that device
> >
> > Why do you need a VGACommonState?
> >
>
> We need to create a GRAPHIC_CONSOLE for vGPU device and specify
> GraphicHwOps so that from its .gfx_update callback, surface can be
> queried and updated.
Yes, you need GraphicHwOps, but there is no need to have a
VGACommonState for that.
> > > and also need
> > > NONE to decide whether to init console vnc or not. We have a
> > > mechanism
> > > to disable console vnc path and we recommend to disable it for
> > > better
> > > performance.
> >
> > Hmm, maybe we should have a ioctl to configure the refresh rate, or
> > a
> > ioctl to allow qemu ask for a refresh when needed?
> >
>
> What is default refresh rate of QEMU if vnc is connected?
/* in ms */
#define GUI_REFRESH_INTERVAL_DEFAULT 30
#define GUI_REFRESH_INTERVAL_IDLE 3000
cheers,
Gerd
next prev parent reply other threads:[~2017-07-14 9:58 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-15 8:00 [PATCH v9 0/7] drm/i915/gvt: Dma-buf support for GVT-g Xiaoguang Chen
2017-06-15 8:00 ` Xiaoguang Chen
2017-06-15 8:00 ` [PATCH v9 1/7] drm/i915/gvt: Extend the GVT-g architecture Xiaoguang Chen
2017-06-15 8:00 ` [PATCH v9 2/7] drm/i915/gvt: OpRegion support for GVT-g Xiaoguang Chen
2017-06-15 8:00 ` Xiaoguang Chen
2017-06-15 8:00 ` [PATCH v9 3/7] drm: Extend the drm format Xiaoguang Chen
2017-06-15 8:00 ` Xiaoguang Chen
2017-06-15 10:21 ` Ville Syrjälä
2017-06-15 10:21 ` [Intel-gfx] " Ville Syrjälä
2017-06-20 9:01 ` Zhang, Tina
2017-06-15 8:00 ` [PATCH v9 4/7] drm/i915/gvt: Frame buffer decoder support for GVT-g Xiaoguang Chen
2017-06-15 8:00 ` Xiaoguang Chen
2017-06-15 8:00 ` [PATCH v9 5/7] vfio: Define vfio based dma-buf operations Xiaoguang Chen
2017-06-15 8:00 ` Xiaoguang Chen
2017-06-15 14:51 ` Kirti Wankhede
2017-06-15 14:51 ` Kirti Wankhede
2017-06-15 16:00 ` Gerd Hoffmann
2017-06-15 16:00 ` Gerd Hoffmann
2017-06-15 20:38 ` Alex Williamson
2017-06-15 20:38 ` Alex Williamson
2017-06-16 10:24 ` Gerd Hoffmann
2017-06-16 12:52 ` Alex Williamson
2017-06-16 13:32 ` Kirti Wankhede
2017-06-16 13:32 ` Kirti Wankhede
2017-06-16 16:39 ` Alex Williamson
2017-06-16 16:39 ` Alex Williamson
2017-06-16 18:28 ` Kirti Wankhede
2017-06-16 18:28 ` Kirti Wankhede
2017-06-19 6:34 ` Gerd Hoffmann
2017-06-19 14:54 ` Alex Williamson
2017-06-19 14:54 ` Alex Williamson
2017-06-20 8:35 ` Gerd Hoffmann
2017-06-20 8:35 ` Gerd Hoffmann
2017-06-20 13:55 ` Kirti Wankhede
2017-06-20 13:55 ` Kirti Wankhede
2017-06-21 7:22 ` Gerd Hoffmann
2017-07-12 13:18 ` Kirti Wankhede
2017-07-12 13:18 ` Kirti Wankhede
2017-07-14 9:58 ` Gerd Hoffmann [this message]
2017-07-14 9:58 ` Gerd Hoffmann
2017-06-19 6:38 ` Gerd Hoffmann
2017-06-19 14:55 ` Alex Williamson
2017-06-19 14:55 ` Alex Williamson
2017-06-20 8:41 ` Zhang, Tina
2017-06-20 8:41 ` [Intel-gfx] " Zhang, Tina
2017-06-20 10:57 ` Gerd Hoffmann
2017-06-20 10:57 ` [Intel-gfx] " Gerd Hoffmann
2017-06-20 15:00 ` Alex Williamson
2017-06-20 17:07 ` Kirti Wankhede
2017-06-20 17:07 ` [Intel-gfx] " Kirti Wankhede
2017-06-20 23:01 ` Zhang, Tina
2017-06-20 23:01 ` [Intel-gfx] " Zhang, Tina
2017-06-20 23:22 ` Alex Williamson
2017-06-20 23:22 ` [Intel-gfx] " Alex Williamson
2017-06-21 9:20 ` Zhang, Tina
2017-06-21 9:20 ` [Intel-gfx] " Zhang, Tina
2017-06-21 11:03 ` Gerd Hoffmann
2017-06-21 18:59 ` Alex Williamson
2017-06-22 8:30 ` Gerd Hoffmann
2017-06-22 8:30 ` [Intel-gfx] " Gerd Hoffmann
2017-06-22 18:54 ` Alex Williamson
2017-06-22 18:54 ` [Intel-gfx] " Alex Williamson
2017-06-23 7:26 ` Gerd Hoffmann
2017-06-23 7:26 ` [Intel-gfx] " Gerd Hoffmann
2017-06-23 7:49 ` Zhi Wang
2017-06-23 7:49 ` Zhi Wang
2017-06-23 8:31 ` Gerd Hoffmann
2017-06-23 16:40 ` Alex Williamson
2017-06-23 16:40 ` [Intel-gfx] " Alex Williamson
2017-06-23 17:15 ` Alex Williamson
2017-06-23 17:15 ` [Intel-gfx] " Alex Williamson
2017-06-26 6:17 ` Gerd Hoffmann
2017-06-26 6:17 ` [Intel-gfx] " Gerd Hoffmann
2017-06-22 0:21 ` Zhang, Tina
2017-06-22 0:21 ` [Intel-gfx] " Zhang, Tina
2017-06-21 7:34 ` Gerd Hoffmann
2017-06-21 7:34 ` [Intel-gfx] " Gerd Hoffmann
2017-06-23 21:58 ` Zhang, Tina
2017-06-23 21:58 ` [Intel-gfx] " Zhang, Tina
2017-06-26 6:39 ` Gerd Hoffmann
2017-06-26 6:39 ` [Intel-gfx] " Gerd Hoffmann
2017-06-26 17:28 ` Alex Williamson
2017-06-26 17:28 ` [Intel-gfx] " Alex Williamson
2017-06-27 6:12 ` Gerd Hoffmann
2017-06-27 6:12 ` [Intel-gfx] " Gerd Hoffmann
2017-06-28 12:48 ` Zhang, Tina
2017-06-28 12:48 ` [Intel-gfx] " Zhang, Tina
2017-06-29 6:41 ` Gerd Hoffmann
2017-06-29 6:41 ` [Intel-gfx] " Gerd Hoffmann
2017-06-29 8:39 ` Daniel Vetter
2017-06-29 8:39 ` [Intel-gfx] " Daniel Vetter
2017-07-04 0:47 ` Zhang, Tina
2017-07-04 0:47 ` [Intel-gfx] " Zhang, Tina
2017-06-20 13:35 ` Kirti Wankhede
2017-06-20 13:35 ` Kirti Wankhede
2017-06-15 8:00 ` [PATCH v9 6/7] drm/i915/gvt: Dmabuf support for GVT-g Xiaoguang Chen
2017-06-15 8:00 ` Xiaoguang Chen
2017-06-15 8:00 ` [PATCH v9 7/7] drm/i915/gvt: Adding user interface for dma-buf Xiaoguang Chen
2017-06-15 8:00 ` Xiaoguang Chen
2017-06-15 8:03 ` ✗ Fi.CI.BAT: failure for drm/i915/gvt: dma-buf support for GVT-g (rev9) Patchwork
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