Re: [PATCH v2 10/16] drm: rcar-du: Don't use TV sync mode when not supported by the hardware

2018-09-27 Thread Ulrich Hecht
> On September 14, 2018 at 11:10 AM Laurent Pinchart > wrote: > > > The official way to stop the display is to clear the display enable > (DEN) bit in the DSYSR register, but that operates at a group level and > affects the two channels in the group. To disable channels selectively, > the

Re: [PATCH v2 10/16] drm: rcar-du: Don't use TV sync mode when not supported by the hardware

2018-09-24 Thread Kieran Bingham
Hi Laurent, On 14/09/18 10:10, Laurent Pinchart wrote: > The official way to stop the display is to clear the display enable > (DEN) bit in the DSYSR register, but that operates at a group level and > affects the two channels in the group. To disable channels selectively, > the driver uses TV

[PATCH v2 10/16] drm: rcar-du: Don't use TV sync mode when not supported by the hardware

2018-09-14 Thread Laurent Pinchart
The official way to stop the display is to clear the display enable (DEN) bit in the DSYSR register, but that operates at a group level and affects the two channels in the group. To disable channels selectively, the driver uses TV sync mode that stops display operation on the channel and turns