Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context switch

2020-01-13 Thread Rodrigo Siqueira
; > 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

Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context switch

2020-01-11 Thread Christian König
...@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

Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context switch

2020-01-10 Thread Harry Wentland
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 >>>

Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context switch

2020-01-10 Thread Harry Wentland
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

RE: [PATCH 39/43] drm/amd/display: Use udelay to avoid context switch

2020-01-10 Thread Liu, Zhan
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

Re: [PATCH 39/43] drm/amd/display: Use udelay to avoid context switch

2020-01-10 Thread Christian König
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