Re: AMD GPU + HDMI + vlc = lockup

[Kamil Jońca <kjonca@poczta.onet.pl>]

[ I replied yesterday, but I cannot see this on list ] 

Felix Miata <mrmazda@earthlink.net> writes:

> Kamil Jońca composed on 2021-02-02 21:37 (UTC+0100):
> ...
>> kjonca@alfa:~%uname -a
>> Linux alfa 5.10.0-2-amd64 #1 SMP Debian 5.10.9-1 (2021-01-20) x86_64 GNU/Linux
>> kjonca@alfa:~%cat /etc/debian_version 
>> bullseye/sid
>  
>> This is sid upgraded ~ weekly.
>
> How quickly after video start does this happen, right away, or only after a while?

when I launch vlc with list of movie files. vlc "waits" (and then there

[....]
> Graphics:
>   Device-1: AMD Cedar [Radeon HD 5000/6000/7350/8350 Series]
>   vendor: PC Partner Limited driver: radeon v: kernel bus ID: 01:00.0
>   chip ID: 1002:68f9 class ID: 0300
>   Display: x11 server: X.Org 1.20.10 driver: loaded: modesetting

"Display: x11 server: X.Org 1.20.10 driver: loaded: radeon display ID: :0"

but when I changed to "modesetting" I also noticed hangup.

BTW what is difference between the two in terms of performance for
example?


[...]
>   OpenGL: renderer: llvmpipe (LLVM 11.0.1 128 bits) v: 4.5 Mesa 20.3.3
>   compat-v: 3.1 direct render: Yes
OpenGL: renderer: AMD CEDAR (DRM 2.50.0 / 5.10.0-2-amd64 LLVM 11.0.1) 
v: 3.3 Mesa 20.3.3 compat-v: 3.1 direct render: Yes 

How can I test "llvmpipe" here?


> Info:...Shell: Bash v: 5.1.4 running in: konsole inxi: 3.3.00
> # dmesg | grep adeon
> [   38.052237] [drm] radeon kernel modesetting enabled.
> [   38.387770] fb0: switching to radeondrmfb from VESA VGA
> [   38.388095] radeon 0000:01:00.0: vgaarb: deactivate vga console
> [   38.389555] radeon 0000:01:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
> [   38.389561] radeon 0000:01:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
> [   38.389820] [drm] radeon: 1024M of VRAM memory ready
> [   38.389824] [drm] radeon: 1024M of GTT memory ready.
> [   38.926339] radeon 0000:01:00.0: firmware: direct-loading firmware radeon/CEDAR_pfp.bin
> [   39.013160] radeon 0000:01:00.0: firmware: direct-loading firmware radeon/CEDAR_me.bin
> [   39.066667] radeon 0000:01:00.0: firmware: direct-loading firmware radeon/CEDAR_rlc.bin
> [   39.526315] radeon 0000:01:00.0: firmware: direct-loading firmware radeon/CEDAR_smc.bin
> [   39.554674] [drm] radeon: dpm initialized
> [   39.774437] radeon 0000:01:00.0: firmware: direct-loading firmware radeon/CYPRESS_uvd.bin
> [   39.778359] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
> [   39.794951] radeon 0000:01:00.0: WB enabled
> [   39.794958] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00
> [   39.794963] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c
> [   39.795338] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418
> [   39.795763] radeon 0000:01:00.0: radeon: MSI limited to 32-bit
> [   39.795872] radeon 0000:01:00.0: radeon: using MSI.
> [   39.795914] [drm] radeon: irq initialized.
> [   40.686752] [drm] Radeon Display Connectors
> [   40.794401] fbcon: radeondrmfb (fb0) is primary device
> [   40.894386] radeon 0000:01:00.0: [drm] fb0: radeondrmfb frame buffer device
> [   40.917823] [drm] Initialized radeon 2.50.0 20080528 for 0000:01:00.0 on minor 0

similar but only 512M vram.

KJ

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