rk3288: Enable HDMI hang boot and no Linux log

From: Jagan Teki
Date: Mon Sep 04 2017 - 08:45:03 EST


Hi,

Is linux-next support HDMI on rk3288? I'm trying to enable hdmi (with
ddc-i2c-bus) statically along with Linux boot logo. Observed an kernel
boot hang, didn't find whats wrong because DWC MHL PHY as detected
from the log.

Here is the full log[1] please let me know if I miss any?

Log:
-----
[ 1.983832] rockchip-drm display-subsystem: bound ff930000.vop (ops
0xc0f53418)
[ 1.992170] rockchip-drm display-subsystem: bound ff940000.vop (ops
0xc0f53418)
[ 2.000416] dwhdmi-rockchip ff980000.hdmi: Detected HDMI TX
controller v2.00a with HDCP (DWC MHL PHY)
[ 2.011210] rockchip-drm display-subsystem: bound ff980000.hdmi
(ops 0xc0f551f4)
[ 2.019490] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 2.026888] [drm] No driver support for vblank timestamp query.
[ 2.033516] [drm] Cannot find any crtc or sizes
[ 2.038731] [drm] Initialized rockchip 1.0.0 20140818 for
display-subsystem on minor 0
[ 2.047818] hctosys: unable to open rtc device (rtc0)
[ 2.053958] mmcblk0: p1
[ 2.057009] ttyS2 - failed to request DMA

[1] https://paste.ubuntu.com/25464674/

thanks!
--
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.