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Ville Syrjälä 5c9016b2dd drm/i915/bios: Don't parse the DPS panel type when the VBT does not have it
Older VBTs don't have all the stuff we've defined for the
LVDS options block (40). In particular we're currently parsing
the DPS panel type bits even though they may not exist, which
could mean we end up flagging the machine as supporting static
DRRS when the VBT declared no such thing.

We don't actually have a clear idea which VBT versions have
which bits so we rely on the block size instead.

Here's a quick list from my VBT stash:
mgm version 108 -> 4 bytes
alv version 120 -> 4 bytes
cst version 134 -> 14 bytes
pnv version 144 -> 14 bytes
cl  version 142 -> 16 bytes
ctg version 155 -> 24 bytes

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220615151445.8531-2-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
2022-06-16 17:13:39 +03:00
Documentation Merge drm/drm-next into drm-intel-next 2022-04-26 16:44:31 +03:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
arch Merge drm/drm-next into drm-intel-next 2022-04-26 16:44:31 +03:00
block for-5.18/block-2022-04-01 2022-04-01 16:20:00 -07:00
certs Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
crypto for-5.18/64bit-pi-2022-03-25 2022-03-26 12:01:35 -07:00
drivers drm/i915/bios: Don't parse the DPS panel type when the VBT does not have it 2022-06-16 17:13:39 +03:00
fs Driver core changes for 5.18-rc2 2022-04-10 09:55:09 -10:00
include drm/i915: Add first set of DG2 PCI IDs 2022-04-27 16:17:45 -07:00
init Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
ipc fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
kernel Merge drm/drm-next into drm-misc-next 2022-04-18 20:46:55 +01:00
lib Driver core changes for 5.18-rc2 2022-04-10 09:55:09 -10:00
mm - Allow the compiler to optimize away unused percpu accesses and change 2022-04-10 06:56:46 -10:00
net NFS client bugfixes for Linux 5.18 2022-04-08 07:39:17 -10:00
samples vfio/mdev: Remove mdev_parent_ops 2022-04-21 07:36:56 -04:00
scripts modpost: restore the warning message for missing symbol versions 2022-04-03 03:11:51 +09:00
security hardening updates for v5.18-rc1-fix1 2022-03-31 11:43:01 -07:00
sound sound fixes for 5.18-rc1 2022-04-01 10:32:46 -07:00
tools - Fix the MSI message data struct definition 2022-04-10 07:12:27 -10:00
usr Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
virt KVM: Remove dirty handling from gfn_to_pfn_cache completely 2022-04-02 05:34:41 -04:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update Vasily Averin's email address 2022-04-08 14:20:36 -10:00
COPYING
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS drm-misc-next for 5.19: 2022-04-12 17:44:27 +10:00
Makefile Linux 5.18-rc2 2022-04-10 14:21:36 -10:00
README

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.