Hi Laurent Thank you for your help > > I tried to reproduce the problem, starting with drm-next which seems to work > > fine, moving to renesas-drivers-2018-10-09-v4.19-rc7 which also didn't > > exhibit any issue. I then used your kernel configuration, and got a WARN_ON > > \o/ > > Investigations revealed that you're missing the CONFIG_COMMON_CLK_VC5=y option > in your kernel configuration. It also revealed a bug in the error handling > code of the DU driver, for which I have just sent "[PATCH] drm: rcar-du: Fix > external clock error checks". Thanks !! I tried your posted patch, and it solved Oops issue, and CONFIG_COMMON_CLK_VC5 solved HDMI outputs !! Best regards --- Kuninori Morimoto
