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Laurent Pinchart 4dc55525b0 drm: plane: Verify that no or all planes have a zpos property
The zpos property is used by userspace to sort the order of planes.
While the property is not mandatory for drivers to implement, mixing
planes with and without zpos confuses userspace, and shall not be
allowed. Clarify this in the documentation and warn at runtime if the
drivers mixes planes with and without zpos properties.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2020-05-14 02:10:52 +03:00
arch drm-misc-next for 5.8: 2020-04-24 13:12:19 +10:00
block blk-wbt: Use tracepoint_string() for wbt_step tracepoint string literals 2020-04-17 08:21:44 -06:00
certs
crypto
Documentation dt-bindings: display: renesas: du: Document optional reset properties 2020-05-14 02:10:52 +03:00
drivers drm: plane: Verify that no or all planes have a zpos property 2020-05-14 02:10:52 +03:00
fs An update for the proc interface of time namespaces: Use symbolic names 2020-04-19 11:46:21 -07:00
include drm-misc-next for 5.8: 2020-05-08 15:17:08 +10:00
init Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
ipc
kernel An update for the proc interface of time namespaces: Use symbolic names 2020-04-19 11:46:21 -07:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-04-16 14:52:29 -07:00
LICENSES
mm drm-misc-next for 5.8: 2020-04-22 10:41:35 +10:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-04-16 14:52:29 -07:00
samples
scripts A handful of fixes for reasonably obnoxious documentation issues. 2020-04-17 13:10:50 -07:00
security selinux/stable-5.7 PR 20200416 2020-04-16 10:45:47 -07:00
sound sound fixes for 5.7-rc2 2020-04-17 09:48:50 -07:00
tools A set of fixes for x86 and objtool: 2020-04-19 11:58:32 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: Add Sedat Dilek (replacement for expired email address) 2020-04-11 09:28:34 -07:00
COPYING
CREDITS
Kbuild
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MAINTAINERS drm: panels: Add MAINTAINERS entry for LVDS panel driver 2020-05-14 02:10:52 +03:00
Makefile Linux 5.7-rc2 2020-04-19 14:35:30 -07:00
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.