RE: [PATCH] drm: xlnx: call pm_runtime_get_sync before setting pixel clock

2021-03-17 Thread Rohit Visavalia
Hyun Kwon ; David Airlie ; > Daniel Vetter ; Michal Simek ; dri- > de...@lists.freedesktop.org; linux-arm-ker...@lists.infradead.org; linux- > ker...@vger.kernel.org > Subject: Re: [PATCH] drm: xlnx: call pm_runtime_get_sync before setting pixel > clock > > +Rohit >

Re: [PATCH] drm: xlnx: call pm_runtime_get_sync before setting pixel clock

2021-03-17 Thread quanyang.wang
rkqueue: events deferred_probe_work_func Then applying this patch ( drm: xlnx: call pm_runtime_get_sync before setting pixel clock), this issue  will be fixed, DP monitor will receive signal, but screen is still black. Then applying the below patch (drm: xlnx: configure alpha value to make graphi

Re: [PATCH] drm: xlnx: call pm_runtime_get_sync before setting pixel clock

2021-03-17 Thread Michal Simek
+Rohit On 3/17/21 4:00 AM, quanyang.wang wrote: > Hi Laurent, > > On 3/17/21 4:32 AM, Laurent Pinchart wrote: >> Hi Quanyang, >> >> Thank you for the patch. >> >> On Wed, Mar 10, 2021 at 12:59:45PM +0800, quanyang.w...@windriver.com >> wrote: >>> From: Quanyang Wang >>> >>> The Runtime PM

Re: [PATCH] drm: xlnx: call pm_runtime_get_sync before setting pixel clock

2021-03-16 Thread quanyang.wang
Hi Laurent, On 3/17/21 4:32 AM, Laurent Pinchart wrote: Hi Quanyang, Thank you for the patch. On Wed, Mar 10, 2021 at 12:59:45PM +0800, quanyang.w...@windriver.com wrote: From: Quanyang Wang The Runtime PM subsystem will force the device "fd4a.zynqmp-display" to enter suspend state

Re: [PATCH] drm: xlnx: call pm_runtime_get_sync before setting pixel clock

2021-03-16 Thread Laurent Pinchart
Hi Quanyang, Thank you for the patch. On Wed, Mar 10, 2021 at 12:59:45PM +0800, quanyang.w...@windriver.com wrote: > From: Quanyang Wang > > The Runtime PM subsystem will force the device "fd4a.zynqmp-display" > to enter suspend state while booting if the following conditions are met: > -

Re: [PATCH] drm: xlnx: call pm_runtime_get_sync before setting pixel clock

2021-03-16 Thread quanyang.wang
Ping. Any comment on this patch? Thanks, Quanyang On 3/10/21 12:59 PM, quanyang.w...@windriver.com wrote: From: Quanyang Wang The Runtime PM subsystem will force the device "fd4a.zynqmp-display" to enter suspend state while booting if the following conditions are met: - the usage

[PATCH] drm: xlnx: call pm_runtime_get_sync before setting pixel clock

2021-03-09 Thread quanyang . wang
From: Quanyang Wang The Runtime PM subsystem will force the device "fd4a.zynqmp-display" to enter suspend state while booting if the following conditions are met: - the usage counter is zero (pm_runtime_get_sync hasn't been called yet) - no 'active' children (no zynqmp-dp-snd-xx node under