Ok, thanks very much.
Best wishes
Emily Deng
From: Koenig, Christian
Sent: Thursday, September 19, 2019 5:06 PM
To: Deng, Emily
Cc: Zhang, Jack (Jian) ; amd-gfx@lists.freedesktop.org;
Teng, Rui ; Cui, Flora
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
I
y ; Koenig, Christian
Cc: amd-gfx@lists.freedesktop.org; Teng, Rui ; Cui, Flora
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Reviewed & Tested-by: Jack Zhang
mailto:jack.zha...@amd.com>>
BR,
Jack
From: Deng, Emily mailto:emily.d...@amd.
(Jian) mailto:jack.zha...@amd.com>>;
amd-gfx@lists.freedesktop.org<mailto:amd-gfx@lists.freedesktop.org>; Teng, Rui
mailto:rui.t...@amd.com>>; Cui, Flora
mailto:flora@amd.com>>
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Hi Jack
t;>
Cc: Zhang, Jack (Jian) mailto:jack.zha...@amd.com>>;
amd-gfx@lists.freedesktop.org<mailto:amd-gfx@lists.freedesktop.org>; Teng, Rui
mailto:rui.t...@amd.com>>; Cui, Flora
mailto:flora@amd.com>>
Subject: Re: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
lists.freedesktop.org<mailto:amd-gfx@lists.freedesktop.org>; Teng, Rui
<mailto:rui.t...@amd.com>; Cui, Flora
<mailto:flora....@amd.com>
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Yes, exactly.
The problem is that even when output is
)
Cc: Deng, Emily ; Cui, Flora ; Teng, Rui
; amd-gfx@lists.freedesktop.org
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Hi Jack,
Well that believe is unfortunately completely wrong.
The point is that ANY use of amdgpu by userspace will prevent correct driver
esktop.org>; Teng, Rui
<mailto:rui.t...@amd.com>; Cui, Flora
<mailto:flora....@amd.com>
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Yes, exactly.
The problem is that even when output is qxl or the Intel driver our driver is
still loaded and forcefu
com>>
Sent: Wednesday, September 18, 2019 4:44 PM
To: Deng, Emily mailto:emily.d...@amd.com>>
Cc: Zhang, Jack (Jian) mailto:jack.zha...@amd.com>>;
amd-gfx@lists.freedesktop.org<mailto:amd-gfx@lists.freedesktop.org>; Teng, Rui
mailto:rui.t...@amd.com>>; Cui, Flora
mailto:flora...
, September 18, 2019 5:45 PM
To: Deng, Emily
Cc: Zhang, Jack (Jian) ; amd-gfx@lists.freedesktop.org;
Teng, Rui ; Cui, Flora
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Yes, exactly.
The problem is that even when output is qxl or the Intel driver our driver
md.com>>; Cui, Flora
mailto:flora@amd.com>>
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Hi Jack,
Well that believe is unfortunately completely wrong.
The point is that ANY use of amdgpu by userspace will prevent correct driver
unload, that
@lists.freedesktop.org;
Teng, Rui ; Cui, Flora
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Hi Emily,
Yeah, exactly that's the problem: In some cases the driver can be unloaded
while it is still in use!
See we added this error message because endusers tried to use
g, Rui ; Deng, Emily
; Cui, Flora
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov or
passthrough
Hi Jack,
Well that believe is unfortunately completely wrong.
The point is that ANY use of amdgpu by userspace will prevent correct driver
unload, that qxl is used for the
about driver unloading path?
Best wishes
Emily Deng
From: Koenig, Christian
Sent: Wednesday, September 18, 2019 3:54 PM
To: Zhang, Jack (Jian)
Cc: amd-gfx@lists.freedesktop.org; Teng, Rui ; Deng, Emily
; Cui, Flora
Subject: RE: [PATCH] drm/amdgpu/sriov: omit fbcon error under sriov
Hi Jack,
Well that believe is unfortunately completely wrong.
The point is that ANY use of amdgpu by userspace will prevent correct driver
unload, that qxl is used for the fbcon doesn't change anything here.
So the patch is a clear NAK. Driver unload is not supposed to work even under
SRIOV.
Hi, Christian and folks,
In virtual machines(such virt-manager), there's always a virtual graphics
device existed like "qxl" as the default gfx device.
So under such condition, we believe it's reasonable to unload amdgpu driver as
it is not treated as the default fbcon device.
Would you please
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