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Track whether DSC is enabled on any CRTC on a link. On DP-SST (and DSI) this will always match the CRTC's DSC state, those links having only a single stream (aka CRTC). For instance, on DP-MST if DSC is enabled for CRTC#0, but disabled for CRTC#1, the DSC/FEC state for these CRTCs will be as follows: CRTC#0: - compression_enable = true - compression_enabled_on_link = true - fec_enable = true for 8b10b, false for 128b132b CRTC#1: - compression_enable = false - compression_enabled_on_link = true - fec_enable = true for 8b10b, false for 128b132b This patch only sets compression_enabled_on_link for CRTC#0 above and enables FEC on CRTC#0 if DSC was enabled on any other CRTC on the 8b10b MST link. A follow-up change will make sure that the state of all the CRTCs (CRTC#1 above) on an MST link is recomputed if DSC gets enabled on any CRTC, setting compression_enabled_on_link and fec_enable for these. Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Jouni Högander <jouni.hogander@intel.com> Link: https://lore.kernel.org/r/20251015161934.262108-6-imre.deak@intel.com |
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| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
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| Kbuild | ||
| Kconfig | ||
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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.