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[ Upstream commit 489f0f600ce2c0dae640df9035e1d82677d2580f ] When the EDID has the HDMI bit, we should simply select the HDMI signal type even on DVI ports. For reference see, the legacy amdgpu display code: amdgpu_atombios_encoder_get_encoder_mode which selects ATOM_ENCODER_MODE_HDMI for the same case. This commit fixes DVI connectors to work with DVI-D/HDMI adapters so that they can now produce output over these connectors for HDMI monitors with higher bandwidth modes. With this change, even HDMI audio works through DVI. For testing, I used a CAA-DMDHFD3 DVI-D/HDMI adapter with the following GPUs: Tahiti (DCE 6) - DC can now output 4K 30 Hz over DVI Polaris 10 (DCE 11.2) - DC can now output 4K 60 Hz over DVI Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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 Restructured Text 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.