.com>>; Liu, Monk
mailto:monk@amd.com>>
Cc: StDenis, Tom mailto:tom.stde...@amd.com>>; Alex
Deucher mailto:alexdeuc...@gmail.com>>; amd-gfx list
mailto:amd-gfx@lists.freedesktop.org>>
Subject: Re: 回复: [PATCH] drm/amd/amdgpu: disable GFXOFF around debugfs access
to
>>>RREG32_KIQ and WREG32_KIQ
If you are using RREG32_KIQ it is always go through KIQ no matter GFX is "on"
state or not
-邮件原件-
发件人: Huang, Ray
发送时间: 2020年2月21日 23:23
收件人: Liu, Monk
抄送: StDenis, Tom ; Alex Deucher ;
amd-gfx list
主题: Re: 回复: [PATCH] drm/amd/amd
20 10:43 AM
*To:* Deucher, Alexander ; Huang, Ray
; Liu, Monk
*Cc:* StDenis, Tom ; Alex Deucher
; amd-gfx list
*Subject:* Re: 回复: [PATCH] drm/amd/amdgpu: disable GFXOFF around
debugfs access to MMIO
Do we have a way to disable GFXOFF on the fly?
If not maybe it would be a good idea to add a s
cher, Alexander ; Huang, Ray
; Liu, Monk
*Cc:* StDenis, Tom ; Alex Deucher
; amd-gfx list
*Subject:* Re: 回复: [PATCH] drm/amd/amdgpu: disable GFXOFF around
debugfs access to MMIO
Do we have a way to disable GFXOFF on the fly?
If not maybe it would be a good idea to add a separate debugfs f
*Cc:* StDenis, Tom ; Alex Deucher
; amd-gfx list
*Subject:* Re: 回复: [PATCH] drm/amd/amdgpu: disable GFXOFF around
debugfs access to MMIO
Do we have a way to disable GFXOFF on the fly?
If not maybe it would be a good idea to add a separate debugfs file to
do this.
Christian.
Am 21.02.20 um
Alex
From: Christian König
Sent: Friday, February 21, 2020 10:43 AM
To: Deucher, Alexander ; Huang, Ray
; Liu, Monk
Cc: StDenis, Tom ; Alex Deucher ;
amd-gfx list
Subject: Re: 回复: [PATCH] drm/amd/amdgpu: disable GFXOFF around debugfs access
to MMIO
Do we have a way to disable GFXOFF o
On Fri, Feb 21, 2020 at 11:27:10PM +0800, Christian König wrote:
> Am 21.02.20 um 16:23 schrieb Huang Rui:
> > On Fri, Feb 21, 2020 at 11:18:07PM +0800, Liu, Monk wrote:
> >> Better not use KIQ, because when you use debugfs to read register you
> >> usually hit a hang, and by that case KIQ probabl
:* Friday, February 21, 2020 10:27 AM
*To:* Huang, Ray ; Liu, Monk
*Cc:* StDenis, Tom ; Alex Deucher
; amd-gfx list
*Subject:* Re: 回复: [PATCH] drm/amd/amdgpu: disable GFXOFF around
debugfs access to MMIO
Am 21.02.20 um 16:23 schrieb Huang Rui:
> On Fri, Feb 21, 2020 at 11:18:07PM +0800, Liu, M
From: amd-gfx on behalf of Christian
König
Sent: Friday, February 21, 2020 10:27 AM
To: Huang, Ray ; Liu, Monk
Cc: StDenis, Tom ; Alex Deucher ;
amd-gfx list
Subject: Re: 回复: [PATCH] drm/amd/amdgpu: disable GFXOFF around debugfs access
to MMIO
Am 21.02.20 um 16:23 schrieb Huang Rui:
>
Am 21.02.20 um 16:23 schrieb Huang Rui:
On Fri, Feb 21, 2020 at 11:18:07PM +0800, Liu, Monk wrote:
Better not use KIQ, because when you use debugfs to read register you usually
hit a hang, and by that case KIQ probably already die
If CP is busy, the gfx should be in "on" state at that time, we
On Fri, Feb 21, 2020 at 11:18:07PM +0800, Liu, Monk wrote:
> Better not use KIQ, because when you use debugfs to read register you usually
> hit a hang, and by that case KIQ probably already die
If CP is busy, the gfx should be in "on" state at that time, we needn't use KIQ.
Thanks,
Ray
>
> -
Better not use KIQ, because when you use debugfs to read register you usually
hit a hang, and by that case KIQ probably already die
-邮件原件-
发件人: amd-gfx 代表 Huang Rui
发送时间: 2020年2月21日 22:34
收件人: StDenis, Tom
抄送: Alex Deucher ; amd-gfx list
主题: Re: [PATCH] drm/amd/amdgpu: disable GFXOFF
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