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This feature is useful for analog connections without EDID: - Really old monitors with a VGA connector - Cheap DVI/VGA adapters that don't connect DDC pins When a connection is established through DAC load detection, the driver is supposed to fill in the supported modes for the display, which we already do in amdgpu_dm_connector_get_modes. Also, because the load detection causes visible glitches, do not attempt to poll the connector again after it was detected this way. Note that it will still be polled after sleep/resume or when force is enabled, which is okay. v2: Add dc_connection_dac_load connection type. Properly release sink when no display is connected. Don't print error when EDID isn't read from an analog display. Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| 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.