Hey guys 
I’m running the new 1.29.1 beta, that’s supposed to enable HDR-Tonemapping in hardware. I read the related thread and got stuck when Chuck talks about GuC/HuC firmware. I’m more or less a total beginner when it comes to Linux, but willing to learn 
This is what’s inside my i915 folder:
So theres only DmC but no GuC/HuC. Regarding Chuck’s instructions I searched this side to find the right firmware.
But Chuck’s also stated
minimally at versions 69.x and 9.x
I own a Synology DS920+ with an Intel J4125, so I guess I need the firmware-versions starting with glk (for Gemini Lake)? Unfortunately there’s only a version 4.0.0 for the HuC-firmware 
Would this version work too?
And if so, can someone tell me in simple words how I can update the initramfs? I really want to avoid breaking something 
Pretty sure Synology and QNAP don’t want you mucking with the kernel.
Add the Debug logs so Chuck can see what is happening.
On Synology, all you need to do is install Plex Media Server 1.29.1.6260 or later.
No adding drivers, mucking with the kernel, etc required.
Oooooh, good to know. The issue I have is as following:
I downloaded this HDR-demo-video. Natively everything looks awesome but when I try to transcode it so 1080p SDR, the colors are super washed out despite HDR tonemapping is active.
Moreover, the system can’t keep up transcoding. It starts buffering after 1-2 min. Is a single convertion from 4k HDR to 1080p SDR too much?
One CPU core is fully loaded, so it seems that it’s not done via the GPU, isn’t it?
I’ve added the logs for you:
Plex Media Server Logs_2022-10-10_18-05-52.zip (4.0 MB)
You’ve been copying things from other people’s Docker discussions, haven’t you?
Oct 09, 2022 22:37:18.667 [0x7ff4c2988b38] ERROR - [Req#fbde/Transcode] Error creating directory “/transcode”: Permission denied
That won’t apply.
On Synology – USE ALL THE DEFAULT PATHS.
Did you also copy someone’s discussions about HardwareDevicePath preference?
Didn’t copy anything, neither did I chance a path or HardwareDevicePath. I set up Plex via docker according to your guide, which enabled me to use HDR-tonemapping in hardware. Only ran it a few times though. But besides that I haven’t made any changes.
You can stop right there
Now I understand what’s happening – You missed the UID/GID setting
Let’s skip that entirely.
- Stop the docker container
- Load PMS 1.29.1 native package for your syno (64 bit intel SPK)
- Enjoy
That’s what I’ve done. There’s no docker installed anymore, 1.29.1 is running natively 
