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The connectors enumerated by the GETRESOURCES ioctl may not be fully initialized yet wrt. to the state set up during connector registration (for instance the connector's debugfs/sysfs interfaces may not exist yet). This can happen in two ways: 1. Connectors initialized and added to the drm_mode_config::connector_list during driver loading will be visible to the GETRESOURCES ioctl caller once the driver is registered via drm_dev_register()->drm_minor_register(DRM_MINOR_PRIMARY) and before the connectors are registered via drm_dev_register()-> drm_modeset_register_all(). 2. Dynamic connectors (MST) - after being initialized - may be added to the connector_list after the driver is loaded and registered and before the connector's userspace interfaces (debugfs, sysfs etc.) are added in drm_connector_dynamic_register(). A solution for 1. would be to register the driver only after the connectors are registered, for 2. to add the connector to connector_list only after the userspace interfaces are registered. The fix requires a bigger change, for now adding a FIXME: comment for it. v2: Remove references to the patchset from the commit log. (Jani) Suggested-by: Simona Vetter <simona.vetter@ffwll.ch> Reviewed-by: Lyude Paul <lyude@redhat.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Wayne Lin <Wayne.Lin@amd.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241211230328.4012496-3-imre.deak@intel.com |
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| drivers | ||
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| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.