On Fri, Feb 21, 2025, Jimmy Hon <honyuenkwun@xxxxxxxxx> wrote: > > On Fri, Feb 21, 2025, Jimmy Hon <honyuenkwun@xxxxxxxxx> wrote: > > > On Fri, Feb 21, 2025 at 5:13 PM Johannes Erdfelt <johannes@xxxxxxxxxxx> wrote: > > > > I'll also see if I can give HDMI a test. > > > > > > Please report your results when you do. This is one of the differences > > > from the Orange Pi 5 Max. The HDMI1 pinctrls does not use the default > > > pinctrls like other RK3588 boards (including the Orange Pi 5 Plus). > > > > No luck yet. I do see this message in the kernel logs 8 times at boot: > > > > [ 41.552751] rockchip-drm display-subsystem: [drm] *ERROR* failed to > > get pll_hdmiphy0 > Oh, I believe you're hitting this. > https://lore.kernel.org/linux-rockchip/0dd48599-448f-4472-9a8a-54b7f0379c13@xxxxxxxxxxxxx/T/#ma4eb427de77b5a4806a2c2b5bef2fc8d4003f801 > > I included that patchset in the integrate-6.15 branch. I don't have > the problem on the Max because it has both the HDMI0 and HDMI1 > enabled. However, with only HDMI1 on the Ultra, it's not handling the > disabled hdptxphy0. A quick hack is to also enable hdptxphy0 also in > the Ultra dts. That was it. With the last patch in that thread applied, I get HDMI output. I'll see if I can figure out a setup to test the HDMI RX port as well. JE