Re: [PATCH] drm/vc4: Fix with pm_runtime synchronization on DSI

2019-05-22 Thread Daniel Vetter
On Wed, May 22, 2019 at 12:24 PM Hoegeun Kwon wrote: > On 4/10/19 1:24 AM, Eric Anholt wrote: > > Hoegeun Kwon writes: > > > On 4/2/19 2:48 AM, Eric Anholt wrote: > > Hoegeun Kwon writes: > > > There is a problem when often dpms goes from off to on. pm idle is not > in sync and the problem oc

Re: [PATCH] drm/vc4: Fix with pm_runtime synchronization on DSI

2019-05-22 Thread Hoegeun Kwon
On 4/10/19 1:24 AM, Eric Anholt wrote: > Hoegeun Kwon writes: > >> On 4/2/19 2:48 AM, Eric Anholt wrote: >>> Hoegeun Kwon writes: >>> There is a problem when often dpms goes from off to on. pm idle is not in sync and the problem occurs. Modify pm_runtime_put from asynchronous to sy

Re: [PATCH] drm/vc4: Fix with pm_runtime synchronization on DSI

2019-04-09 Thread Eric Anholt
Hoegeun Kwon writes: > On 4/2/19 2:48 AM, Eric Anholt wrote: >> Hoegeun Kwon writes: >> >>> There is a problem when often dpms goes from off to on. pm idle is not >>> in sync and the problem occurs. Modify pm_runtime_put from >>> asynchronous to synchronous. >> Why would we need the power domain

Re: [PATCH] drm/vc4: Fix with pm_runtime synchronization on DSI

2019-04-07 Thread Hoegeun Kwon
On 4/2/19 2:48 AM, Eric Anholt wrote: > Hoegeun Kwon writes: > >> There is a problem when often dpms goes from off to on. pm idle is not >> in sync and the problem occurs. Modify pm_runtime_put from >> asynchronous to synchronous. > Why would we need the power domain to go to off before we try to

Re: [PATCH] drm/vc4: Fix with pm_runtime synchronization on DSI

2019-04-01 Thread Eric Anholt
Hoegeun Kwon writes: > There is a problem when often dpms goes from off to on. pm idle is not > in sync and the problem occurs. Modify pm_runtime_put from > asynchronous to synchronous. Why would we need the power domain to go to off before we try to come back? Any idea? Also, please specify w