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Systems with AST graphics can have multiple output; typically VGA plus some other port. Record detected output chips in a bitmask and initialize each output on its own. Assume a VGA output by default and use SIL164 and DP501 if available. For ASTDP assume that it can run in parallel with VGA. Tested on AST2100. v3: * define a macro for each BIT(ast_tx_chip) (Patrik) v2: * make VGA/SIL164/DP501 mutually exclusive Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Fixes:a59b026419("drm/ast: Initialize encoder and connector for VGA in helper function") Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Javier Martinez Canillas <javierm@redhat.com> Cc: Dave Airlie <airlied@redhat.com> Cc: dri-devel@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20220607092008.22123-2-tzimmermann@suse.de (cherry picked from commit7f35680ada) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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.