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Note for polaris users starting with kernel 4.20.0-rc6.
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Marlo
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Joined: 26 Jul 2003
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PostPosted: Thu Dec 13, 2018 8:36 pm    Post subject: Note for polaris users starting with kernel 4.20.0-rc6. Reply with quote

Note for polaris users starting with (git-kernel) kernel-4.20.0-rc6.

As of this kernel version, the patch "Update MC firmware for polaris" is included. This patch will request a "polaris10_k_mc.bin". (or *11_k_mc.bin, *12_k_mc.bin).
These *.bin are not yet included in the Linux firmware. The system don't initialize the GPU and X don't start. In dmesg this message appears:
"mc: firmware could not be loaded "amdgpu/polaris11_k_mc.bin"

You can find this *.bin here and copy it to /lib/firmware/amdgpu.

Paste this in "CONFIG_EXTRA_FIRMWARE=" and the system starts without problems.

greetings
Ma
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