Debian 14'te ekran kartı dengesiz çalışıyor

rpmb dedi:

AMD Radeon HD 5450 kullanıyorum.
Discord'da donanım hızlandırma açıkken yayın izleme, video izleme (YouTube dahil), GIF izleme, yayın yapma gibi işlerde ekran gidip geliyor, bazen de tamamiyle siyah ekran verip sistem kitleniyor.

Sürprizbozan: Bilgi

$ lspci -k | grep -A 3 -E "VGA|3D|Display"
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series]
Subsystem: XFX Pine Group Inc. Device 304a
Kernel driver in use: radeon
Kernel modules: radeon, amdgpu
$ sudo lshw -C display
*-display
description: VGA compatible controller
product: Cedar [Radeon HD 5000/6000/7350/8350 Series]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
logical name: /dev/fb0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=radeon latency=0 resolution=1280,1024
resources: irq:26 memory:e0000000-efffffff memory:fbec0000-fbedffff ioport:ee00(size=256) memory:c0000-dffff
$ glxinfo | grep -E "OpenGL vendor|OpenGL renderer|OpenGL version"
OpenGL vendor string: Mesa
OpenGL renderer string: AMD CEDAR (DRM 2.51.0 / 7.1.3+deb14-amd64)
OpenGL version string: 4.6 (Compatibility Profile) Mesa 26.1.5-1

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Load amdgpu driver
The module parameters of both amdgpu and radeon modules are cik_support= and si_support=.

They need to be set as kernel parameters or in a modprobe configuration file, and depend on the cards GCN version.

You can use both parameters if you are unsure which kernel card you have.

Tip
dmesg may indicate the correct kernel parameter to use: [..] amdgpu 0000:01:00.0: Use radeon.cik_support=0 amdgpu.cik_support=1 to override.
Set module parameters in kernel command line
Set one of the following kernel parameters:

Southern Islands (SI): radeon.si_support=0 amdgpu.si_support=1
Sea Islands (CIK): radeon.cik_support=0 amdgpu.cik_support=1
Furthermore, if you are using an AMD A10 APU with an integrated Sea Island (GCN 1.1) card, you may have to disable Radeon Dynamic Power Management to get a proper boot. This is a feature that dynamically re-clocks the graphics core in order to keep the APU cooler and quieter, however this feature may put you in an infinite restart loop. To disable it, following the instructions above, add radeon.dpm=0 to the boot options.

rpmb dedi:

TeraScale 2'de AMDGPU kullanılmıyor.

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