On 2021-06-30 6:10 a.m., YuBiao Wang wrote:
> [Why]
> GPU timing counters are read via KIQ under sriov, which will introduce
> a delay.
>
> [How]
> It could be directly read by MMIO.
>
> v2: Add additional check to prevent carryover issue.
> v3: Only check for carryover for once to prevent performa
; Deucher, Alexander
; Quan, Evan ; Koenig, Christian ; Liu, Monk
; Zhang, Hawking
Subject: Re: [PATCH 1/1] drm/amdgpu: Read clock counter via MMIO to reduce
delay (v4)
Am 30.06.21 um 12:10 schrieb YuBiao Wang:
[Why]
GPU timing counters are read via KIQ under sriov, which will introduce
a de
; Quan,
Evan ; Koenig, Christian ; Liu,
Monk ; Zhang, Hawking
Subject: Re: [PATCH 1/1] drm/amdgpu: Read clock counter via MMIO to reduce
delay (v4)
Am 30.06.21 um 12:10 schrieb YuBiao Wang:
> [Why]
> GPU timing counters are read via KIQ under sriov, which will introduce
> a delay.
>
&
: Grodzovsky, Andrey ; Quan, Evan
; Chen, Horace ; Tuikov, Luben
; Koenig, Christian ; Deucher,
Alexander ; Xiao, Jack ; Zhang,
Hawking ; Liu, Monk ; Xu, Feifei
; Wang, Kevin(Yang) ; Wang, YuBiao
Subject: [PATCH 1/1] drm/amdgpu: Read clock counter via MMIO to reduce delay
(v4)
[Why]
GPU
On Wed, Jun 30, 2021, at 05:10, YuBiao Wang wrote:
> [Why]
> GPU timing counters are read via KIQ under sriov, which will introduce
> a delay.
>
> [How]
> It could be directly read by MMIO.
>
> v2: Add additional check to prevent carryover issue.
> v3: Only check for carryover for once to prevent
[Why]
GPU timing counters are read via KIQ under sriov, which will introduce
a delay.
[How]
It could be directly read by MMIO.
v2: Add additional check to prevent carryover issue.
v3: Only check for carryover for once to prevent performance issue.
v4: Add comments of the rough frequency where car
Am 30.06.21 um 12:10 schrieb YuBiao Wang:
[Why]
GPU timing counters are read via KIQ under sriov, which will introduce
a delay.
[How]
It could be directly read by MMIO.
v2: Add additional check to prevent carryover issue.
v3: Only check for carryover for once to prevent performance issue.
v4: A