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- From 153ca1a43c2c978fa2b2b82d988b0f838953cfb9 Mon Sep 17 00:00:00 2001
- From: Leah Rowe <info@minifree.org>
- Date: Sat, 2 Mar 2024 23:00:09 +0000
- Subject: [PATCH 2/4] 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 c974022472..a0acd7b6bb 100644
- --- a/src/mainboard/dell/optiplex_9020/cmos.default
- +++ b/src/mainboard/dell/optiplex_9020/cmos.default
- @@ -3,4 +3,4 @@ boot_option=Fallback
- debug_level=Debug
- nmi=Disable
- power_on_after_fail=Disable
- -iommu=Enable
- +iommu=Disable
- --
- 2.39.2
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