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Chris Wilson ba2ebf605d drm/i915/gem: Prevent using pgprot_writecombine() if PAT is not supported 
Let's not try and use PAT attributes for I915_MAP_WC if the CPU doesn't
support PAT.

Fixes: 6056e50033 ("drm/i915/gem: Support discontiguous lmem object maps")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Cc: <stable@vger.kernel.org> # v5.6+
Link: https://patchwork.freedesktop.org/patch/msgid/20200915091417.4086-2-chris@chris-wilson.co.uk
(cherry picked from commit 121ba69ffd)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2020-09-30 14:24:20 -04:00
arch
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-09-13 14:54:40 -07:00
block
Merge tag 'block-5.9-2020-09-11' of git://git.kernel.dk/linux-block
2020-09-11 11:55:28 -07:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2020-08-30 15:53:44 -07:00
Documentation
Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-09-23 09:52:24 +10:00
drivers
drm/i915/gem: Prevent using pgprot_writecombine() if PAT is not supported
2020-09-30 14:24:20 -04:00
fs
Merge tag 'driver-core-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2020-09-13 09:02:59 -07:00
include
Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-09-23 09:52:24 +10:00
init
init: fix error check in clean_path()
2020-09-04 09:16:58 -07:00
ipc
ipc: adjust proc_ipc_sem_dointvec definition to match prototype
2020-09-05 12:14:29 -07:00
kernel
Merge v5.9-rc5 into drm-next
2020-09-14 17:19:11 +02:00
lib
Merge drm/drm-next into drm-misc-next
2020-09-14 18:11:40 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
Merge tag 'for-linus-5.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2020-09-06 09:59:27 -07:00
net
Merge tag 'nfs-for-5.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2020-09-09 11:14:20 -07:00
samples
Merge branch 'for-5.10-drm-sg-fix' of https://github.com/mszyprow/linux into drm-next
2020-09-17 16:07:11 +10:00
scripts
Merge tag 'char-misc-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2020-09-13 08:52:21 -07:00
security
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sound
Merge tag 'sound-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2020-09-04 12:05:25 -07:00
tools
Merge tag 'kvmarm-fixes-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
2020-09-11 13:12:11 -04:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
KVM: fix memory leak in kvm_io_bus_unregister_dev()
2020-09-11 13:15:11 -04:00
.clang-format
clang-format: Update with the latest for_each macro list
2020-09-01 12:53:42 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: Add ZSTD-compressed files
2020-07-31 11:50:49 +02:00
.mailmap
mailmap, MAINTAINERS: move to tycho.pizza
2020-09-08 11:29:57 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
CREDITS: Replace HTTP links with HTTPS ones
2020-07-23 14:53:58 -06:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
MAINTAINERS: make linux-aspeed list remarks consistent
2020-09-17 13:39:44 +02:00
Makefile
Linux 5.9-rc5
2020-09-13 16:06:00 -07:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
Description
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