nvidia-kernel-oot display fixes for linux-yocto kernels - #2197
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The fbdev conftest checks were failing for kernels >= 6.11 because drm_fbdev_generic_setup() was removed. Checks re-endable support for the framebuffer emulation. The backport adds support for drm_fbdev_ttm_setup() (6.11-6.12) and drm_client_setup() (>6.13) as alternate setup paths. Backport from rel-38 Signed-off-by: Kurt Kiefer <kekiefer@gmail.com>
After a successful atomic modeset, connector status and encoder fields were not updated in the legacy DRM state, causing /sys/class/drm/<connector>/enabled to report 'disabled'. Also, hotplug events were not triggering connector->detect(), leaving DP connectors showing 'disconnected' after boot even when a sink is present. Signed-off-by: Kurt Kiefer <kekiefer@gmail.com>
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LGTM, and thanks for submitting that fix upstream, hopefully it will get some traction |
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For the purposes of a cross-reference on github (since it didn't get picked up in the commit message) the upstream PR is here: NVIDIA/open-gpu-kernel-modules#1127 |
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Here are a few patches to address a couple issues with displays on linux-yocto.
The first patch backports missing support for fbdev in 6.11+ kernels.
The second two patches address some minor inconsistencies with displayport, particularly involving hotplug.