; > From: amd-gfx On Behalf Of
> > > > > Christian König
> > > > > Sent: 2020/January/10, Friday 10:02 AM
> > > > > To: Siqueira, Rodrigo ; amd-
> > > > > g...@lists.freedesktop.org
> > > > > Cc: Li, Sun peng (Leo) ; Cheng, Tony
&g
...@lists.freedesktop.org
Cc: Li, Sun peng (Leo) ; Cheng, Tony
; Tsai, Martin ; Lakha,
Bhawanpreet ; Wentland, Harry
Subject: Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context
switch
Am 10.01.20 um 15:46 schrieb Rodrigo Siqueira:
From: Martin Tsai
[why]
The rapid msleep operation causes the white
ra, Rodrigo ; amd-
>>> g...@lists.freedesktop.org
>>> Cc: Li, Sun peng (Leo) ; Cheng, Tony
>>> ; Tsai, Martin ; Lakha,
>>> Bhawanpreet ; Wentland, Harry
>>>
>>> Subject: Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context
>>>
ng (Leo) ; Cheng, Tony
>> ; Tsai, Martin ; Lakha,
>> Bhawanpreet ; Wentland, Harry
>>
>> Subject: Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context
>> switch
>>
>> Am 10.01.20 um 15:46 schrieb Rodrigo Siqueira:
>>> From: Martin Tsai
and, Harry
>
> Subject: Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context
> switch
>
> Am 10.01.20 um 15:46 schrieb Rodrigo Siqueira:
> > From: Martin Tsai
> >
> > [why]
> > The rapid msleep operation causes the white line garbage when DAL
> &g
Am 10.01.20 um 15:46 schrieb Rodrigo Siqueira:
From: Martin Tsai
[why]
The rapid msleep operation causes the white line garbage when
DAL check flip pending status in SetVidPnSourceVisibility.
To execute this msleep will induce context switch, and longer
delay could cause worse garbage