From 4fa6fd7959336805a85c1f10b0349a3229a13902 Mon Sep 17 00:00:00 2001 From: taradiddles Date: Fri, 2 Dec 2022 10:46:31 +0200 Subject: [PATCH] PSR / mention bad panel firmware --- docs/troubleshooting/intel-igfx-troubleshooting.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/troubleshooting/intel-igfx-troubleshooting.md b/docs/troubleshooting/intel-igfx-troubleshooting.md index 484a1cf..1817b17 100644 --- a/docs/troubleshooting/intel-igfx-troubleshooting.md +++ b/docs/troubleshooting/intel-igfx-troubleshooting.md @@ -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: