Hi Andy, On Mon, Mar 07, 2022 at 08:18:08PM +0800, Andy Yan wrote: > Hi Sascha: > > On 2/25/22 15:51, Sascha Hauer wrote: > > From: Andy Yan <andy.yan@xxxxxxxxxxxxxx> > > > > The VOP2 unit is found on Rockchip SoCs beginning with rk3566/rk3568. > > It replaces the VOP unit found in the older Rockchip SoCs. > > > > This driver has been derived from the downstream Rockchip Kernel and > > heavily modified: > > > > - All nonstandard DRM properties have been removed > > - dropped struct vop2_plane_state and pass around less data between > > functions > > - Dropped all DRM_FORMAT_* not known on upstream > > - rework register access to get rid of excessively used macros > > - Drop all waiting for framesyncs > > > > The driver is tested with HDMI and MIPI-DSI display on a RK3568-EVB > > board. Overlay support is tested with the modetest utility. AFBC support > > on the cluster windows is tested with weston-simple-dmabuf-egl on > > weston using the (yet to be upstreamed) panfrost driver support. > > > When run a weston 10.0.0: I used weston 9.0.90 during testing. I'll try to reproduce the issue with weston 10. Could you maybe have a look at the HCLK issue we are discussing? This thread could use some input from someone who has contact to the hardware guys. Regards, Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |