On 5.6 kernel, adding "amdgpu.exp_hw_support=1" fixed the issue. I will
try on 5.4 at some point.
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https://bugs.launchpad.net/bugs/1894391
Title:
AMD/Nvidia switchable grap
for reference, I did try upgrading.
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https://bugs.launchpad.net/bugs/1894391
Title:
AMD/Nvidia switchable graphics not working
Status in linux package in Ubuntu:
Confirm
Public bug reported:
On a system with AMD Ryzen 5 and Nvidia GTX 1650 switchable graphics are
not working.
Just to get the drivers working for the respective chipsets, I had to
upgrade to kernel 5.6 for amd and install nvidia 450 drivers for nvidia.
This gets us to the point where both cards are
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