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[ Upstream commit d7940911fc0754d99b208f0e3098762d39f403a0 ] [Why] Vertical and horizontal borders in timings are treated as increasing the active area - vblank and hblank actually shrink. Our input into DML does not include these borders so it incorrectly assumes it has more time than available for vstartup and tmdl calculations for some modes with borders. An example of such a timing would be 640x480@72Hz: h_total: 832 h_border_left: 8 h_addressable: 640 h_border_right: 8 h_front_porch: 16 h_sync_width: 40 v_total: 520 v_border_top: 8 v_addressable: 480 v_border_bottom: 8 v_front_porch: 1 v_sync_width: 3 pix_clk_100hz: 315000 [How] Include borders as part of destination vactive/hactive. This change DCN20+ so it has wide impact, but the destination vactive and hactive are only really used for vstartup calculation anyway. Most modes do not have vertical or horizontal borders. Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| SynoBuildConf | ||
| synology | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| MAINTAINERS | ||
| Makefile | ||
| 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 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.