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- From 4b0536ce7cd55eedc52d13497bea59d91e8924d8 Mon Sep 17 00:00:00 2001
- From: Leah Rowe <info@minifree.org>
- Date: Sat, 2 Mar 2024 23:00:09 +0000
- Subject: [PATCH 12/37] dell/optiplex_9020: Disable IOMMU by default
- Needed to make graphics cards work. Turning it on is
- recommended if only using iGPU, otherwise leave it off
- by default. The IOMMU is extremely buggy when a graphics
- card is used. Leaving it off by default will ensure that
- the default ROM images in Libreboot will work on any setup.
- Signed-off-by: Leah Rowe <info@minifree.org>
- ---
- src/mainboard/dell/optiplex_9020/cmos.default | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
- diff --git a/src/mainboard/dell/optiplex_9020/cmos.default b/src/mainboard/dell/optiplex_9020/cmos.default
- index 8000eea8c0..0700f971ee 100644
- --- a/src/mainboard/dell/optiplex_9020/cmos.default
- +++ b/src/mainboard/dell/optiplex_9020/cmos.default
- @@ -4,4 +4,4 @@ debug_level=Debug
- nmi=Disable
- power_on_after_fail=Disable
- fan_full_speed=Disable
- -iommu=Enable
- +iommu=Disable
- --
- 2.39.5
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