diff --git a/source/linux/Foundational_Components/Graphics/Common/QT_Graphics_Framework.rst b/source/linux/Foundational_Components/Graphics/Common/QT_Graphics_Framework.rst index 82f6f75db..4a7675565 100644 --- a/source/linux/Foundational_Components/Graphics/Common/QT_Graphics_Framework.rst +++ b/source/linux/Foundational_Components/Graphics/Common/QT_Graphics_Framework.rst @@ -19,8 +19,8 @@ The PSDK target file system includes the pre-built Qt libraries under Demos ***** -Qt provides demos for the Null Window System / KMS / DRM / EGL Full Screen -(EGLFS) backends. By default EGLFS will use the ``eglfs_kms`` backend. +Qt provides demos for the Wayland, Linux framebuffer (LINUXFB), and EGL Full +Screen (EGLFS) backends. By default EGLFS will use the ``eglfs_kms`` backend. .. code-block:: console @@ -44,8 +44,13 @@ use ``-platform`` option to specify the desired QPA as ``linuxfb`` or ``eglfs``. .. note:: - The ``linuxfb`` interface is deprecated and requires switching the display - into "legacy" framebuffer mode. + The ``fbdev`` interface used by default in the ``linuxfb`` platform is + deprecated. The platform can use `Dumb-Buffer`_ allocations and required + components of the new KMS interface while still using the same software + rendering techniques. See ``QT_QPA_FB_DRM`` in the upstream documentation at: + https://doc.qt.io/qt-6/embedded-linux.html#linuxfb + + .. _Dumb-Buffer: https://man.archlinux.org/man/drm-memory.7.en#Dumb-Buffers For example: