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While fixing a shared VGA resource ownership issue, commit5dd8b536bb("drm/virtio: Lock the VGA resources during initialization") wrongly assumed that there is always a PCI device associated with virtio-gpu and it would return error if this device is not found during init. This is incorrect, as virtio-gpu can be operated in MMIO mode (M68K) where a PCI device would probably not be created for it. Therefore, fix this issue by not erroring out if the associated PCI device is not found during initialization. Fixes:5dd8b536bb("drm/virtio: Lock the VGA resources during initialization") Suggested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Gurchetan Singh <gurchetansingh@chromium.org> Cc: Chia-I Wu <olvaffe@gmail.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250114075759.2616551-1-vivek.kasireddy@intel.com Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250114075759.2616551-1-vivek.kasireddy@intel.com
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.