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PSR / mention bad panel firmware

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taradiddles 2022-12-02 10:46:31 +02:00
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commit 4fa6fd7959
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docs/troubleshooting/intel-igfx-troubleshooting.md
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@ -65,7 +65,8 @@ Workarounds:
A logout/login is then required.
Intel's PSR (Panel Self Refresh) may also cause tearing issues; it can be
disabled globally in GRUB2/EFI with the `i915.enable_psr=0` boot option.
disabled globally in GRUB2/EFI with the `i915.enable_psr=0` boot option. If
this does fix tearing, a bad panel firmware was likely the cause.
## Finding out which of `intel` or `fbdev` driver is in use: