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sys-kernel/coreos-modules: Reenable console support for DRM

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When the virtio graphic mode instead of qemu's bochs was used, the
interactive console did not show up because fbdev emulation recently
got disabled.
Reenable fbdev emulation and also add the "simple" and QXL FB DRM
driver to make TTM_HELPER available for the out-of-tree nvidia driver
(which is needed when fbdev emulation is enabled).

Fixes https://github.com/flatcar/Flatcar/issues/1834

Signed-off-by: Kai Lueke <kailuke@microsoft.com>
This commit is contained in:
Kai Lueke 2025-08-11 16:27:29 +02:00
parent f15590a894
commit ba1273dac4
2 changed files with 5 additions and 1 deletions
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1
changelog/bugfixes/2025-08-11-drm-console.md Normal file
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@ -0,0 +1 @@
- Reenabled console support for DRM drivers, so that with the virtio graphics driver the interactive console is shown again after boot ([Flatcar#1834](https://github.com/flatcar/Flatcar/issues/1834))

5
sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/commonconfig-6.12 vendored
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@ -169,9 +169,12 @@ CONFIG_DM_VERITY=m
CONFIG_DM_ZERO=m
CONFIG_DNS_RESOLVER=y
CONFIG_DRM=m
CONFIG_DRM_FBDEV_EMULATION=y
CONFIG_DRM_QXL=m
CONFIG_DRM_SIMPLEDRM=m
CONFIG_DRM_TTM_HELPER=m
CONFIG_DRM_VIRTIO_GPU=m
CONFIG_DST_CACHE=y
# CONFIG_DRM_FBDEV_EMULATION is not set
CONFIG_DUMMY=m
CONFIG_DYNAMIC_DEBUG=y
CONFIG_E100=m