Messages in this thread | | | From | Rob Herring <> | Date | Thu, 7 Mar 2019 17:13:11 -0600 | Subject | Re: [PATCH v2 1/8] drm/bridge: dw-hdmi: Add SCDC and TMDS Scrambling support |
| |
On Fri, Feb 1, 2019 at 6:08 AM Neil Armstrong <narmstrong@baylibre.com> 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 <xhc@rock-chips.com> > and Nickey Yang <nickey.yang@rock-chips.com> 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 <nickey.yang@rock-chips.com> > Cc: Huicong Xu <xhc@rock-chips.com> > Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> > Tested-by: Heiko Stuebner <heiko@sntech.de> > Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> > --- > 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
Rob
| |