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Paul Kocialkowski fea2099597 gpu: host1x: Free the IOMMU domain when there is no device to attach
When there is no device to attach to the IOMMU domain, as may be the
case when the device-tree does not contain the proper iommu node, it is
best to keep going without IOMMU support rather than failing.
This allows the driver to probe and function instead of taking down
all of the tegra drm driver, leading to missing display support.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Fixes: 404bfb78da ("gpu: host1x: Add IOMMU support")
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170710193305.5987-1-contact@paulk.fr
2017-07-27 16:57:34 +02:00
arch Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-06-25 12:01:56 -07:00
block
certs
crypto
Documentation Linux 4.12-rc7 2017-06-27 08:28:30 +10:00
drivers gpu: host1x: Free the IOMMU domain when there is no device to attach 2017-07-27 16:57:34 +02:00
firmware
fs Merge branch 'akpm' (patches from Andrew) 2017-06-23 16:30:52 -07:00
include Merge branch 'drm-misc-next-fixes' into drm-misc-fixes 2017-07-17 11:56:07 -04:00
init
ipc
kernel Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-06-25 11:59:19 -07:00
lib lib/cmdline.c: fix get_options() overflow while parsing ranges 2017-06-23 16:15:55 -07:00
mm slub: make sysfs file removal asynchronous 2017-06-23 16:15:55 -07:00
net
samples
scripts Kbuild fixes for v4.12 (2nd) 2017-06-24 16:18:00 -07:00
security
sound Linux 4.12-rc7 2017-06-27 08:28:30 +10:00
tools perf probe: Fix probe definition for inlined functions 2017-06-22 16:08:09 -03:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 4.12-rc7 2017-06-25 18:30:05 -07:00
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.