Posts by smp

Quote from Kwiboo

This is the main "blocking" issue from my point of view, it seems to happen when mode is changed from one 4:2:0 12-bit mode to another 4:2:0 12-bit mode (and yuv plane is involved). I think LibreELEC-Generic.x86_64-9.80-devel-20200201013402-e776789.img.gz contain a limit to use 8-bit output and if I remember correctly using 4:2:0 50/60hz 8-bit works, it will activate HDR mode on my LG OLED but I am sure colors will not be optimal.

I have not been able to produce a simple reproducible test case (not using kodi) for this 4:2:0 50/60hz distorted image issue.

That was actually an issue with my older Samsung TV.

I just tested with another TV (Samsung UE43TU8000) and 4K 60Hz HDR videos play just fine, no video distortion.

Get a proper cooling for Pi4. Like a Flirc case or something like that.

Quote from chewitt

all they do is establish the current driver is for the A variant and add firmware for the B variant.

[net-next,2/2] r8169: add support for RTL8125B - Patchwork

^ I don't think that's all they do.

Quote from klure84

should i be ok setting RGB Full? Or should i go with YCbCr limited/full

RGB full is usually used for PC monitors. Use YCbCr limited.

Quote from klure84

Could this be a firmware issue with the TV?

I suppose so.

Maybe your TV does not like RGB @4K 24Hz. Try to test with hdmi_pixel_encoding=3 in config.txt.

AGLyons

I built an image with included RTL8125B kernel patches and firmware.

https://www.dropbox.com/s/3etxmw8dla44…4c8.img.gz?dl=1

Can you save the EDID to a file and post it here?

tvservice -d edid.dat

Quote from staufl

Isn't Le Potato supposed to be the "flagship hardware platform" of libre?

Libre Computer Project has nothing to do LibreELEC.

LE 9.0.2 has a major bug on Le Potato (segfault on file transfer), it is basically broken. The fix never made it to LE 9.0.2.

The best images for Le Potato for now are CE nightlies (Amlogic-ng).

Regarding your freezing issue - looks more like a hardware problem.

Quote from daghy

with the newest LE version

Try the latest nightly/Milhouse build. If there were an issue with the stable build, it's more than likely been resolved.

Try different hdmi_pixel_encoding= settings in config.txt.

Quote from mattlach

I've heard people going on about HDR for years, but I've never quite understood what the big deal was.

The big deal is that ~90% of the 4K UHD stuff you find on the internet is HDR. So if you have a 4K HDR capable TV you'd want your LE device to be able to pass through the HDR metadata.

Quote from mattlach

If Nvidia support is coming back with this driver, maybe the userbase will come back too?

Not gonna happen. "Userbase" wants HDR which will only work with Kodi-GBM. Nvidia does not support GBM.

No. Too much stuff to backport.

Quote from powerarmour

Intel are now EOL'ing Gemini Lake

Intel just released Gemini Lake Refresh SoCs (J5040, J4115...).

You will have to use CoreELEC for the foreseeable future.

LE does use the NVidia proprietary driver.