Hi Gerd:
Thanks for the testing. We will find out the problem and refresh the whole
patch series.
Thanks,
Zhi.
-----Original Message-----
From: Gerd Hoffmann [mailto:[email protected]]
Sent: Friday, August 25, 2017 2:47 PM
To: Zhang, Tina <[email protected]>; [email protected]; Lv, Zhiyuan
<[email protected]>; Wang, Zhi A <[email protected]>; Tian, Kevin
<[email protected]>; [email protected]; [email protected];
[email protected]; [email protected]; [email protected]
Cc: [email protected]; [email protected]
Subject: Re: [PATCH v14 0/7] drm/i915/gvt: Dma-buf support for GVT-g
On Fri, 2017-08-18 at 18:21 +0800, Tina Zhang wrote:
> v13->v14:
> 1) add PROBE, DMABUF and REGION flags. (Alex)
> 2) return -ENXIO when gem proxy object is banned by ioctl.
> (Chris) (Daniel)
> 3) add some details about the float pixel format. (Daniel)
> 4) add F suffix to the defined name. (Daniel)
> 5) refine pixel format table. (Zhenyu)
Ok, patch series applies cleanly to 4.13-rc6. The new flags are working fine.
However, I see VFIO_DEVICE_QUERY_GFX_PLANE failures which I think should not be
there. When the guest didn't define a plane yet I get "No such device" errors
instead of a plane_info struct with fields (drm_format, width, height, size)
set to zero. I also see "Bad address" errors now and then with no obvious
cause.
Cursor support isn't working too.
I'm testing with "-display egl-headless -spice gl=off,port=...". In that
configuration qemu will import the dma-bufs as textures and reads them using
ReadPixels for display.
qemu branch: https://www.kraxel.org/cgit/qemu/log/?h=work/intel-vgpu
The qemu branch has support for both dmabufs and regions. The region- based
display code is totaly untested though.
cheers,
Gerd
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