Hi Rob, On 08/03/2019 00:13, Rob Herring wrote: > On Fri, Feb 1, 2019 at 6:08 AM Neil Armstrong <[email protected]> wrote: >> >> Add support for SCDC Setup for TMDS Clock > 3.4GHz and enable TMDS >> Scrambling when supported or mandatory. >> >> This patch also adds an helper to setup the control bit to support >> the high TMDS Bit Period/TMDS Clock-Period Ratio as required with >> TMDS Clock > 3.4GHz for HDMI2.0 3840x2160@60/50 modes. >> >> These changes were based on work done by Huicong Xu <[email protected]> >> and Nickey Yang <[email protected]> to support HDMI2.0 modes >> on the Rockchip 4.4 BSP kernel at [1] >> >> [1] https://github.com/rockchip-linux/kernel/tree/release-4.4 >> >> Cc: Nickey Yang <[email protected]> >> Cc: Huicong Xu <[email protected]> >> Signed-off-by: Neil Armstrong <[email protected]> >> Tested-by: Heiko Stuebner <[email protected]> >> Reviewed-by: Andrzej Hajda <[email protected]> >> --- >> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 85 >> ++++++++++++++++++++++++++++++- >> drivers/gpu/drm/bridge/synopsys/dw-hdmi.h | 1 + >> include/drm/bridge/dw_hdmi.h | 1 + >> 3 files changed, 85 insertions(+), 2 deletions(-) > > This commit in drm-misc-next is breaking booting on the Rock960. I > have FB and fbcon enabled. The boot hangs after this message: > > [ 3.012334] [drm:rockchip_drm_fbdev_create] FB [1920x1080]-24 > kvaddr=(____ptrval____) offset=0 size=8294400
Could you give more details on the tree used ? did you bisect to find this commit ? Neil > > Rob > _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
