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

T) [    1.456194] Workqueue: 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

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

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 whil

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

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: > - t

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

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 counte

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

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 dp