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Filename Latest commit message Latest commit date
Chris Wilson d2b4b97933 drm/i915: Record the default hw state after reset upon load
Take a copy of the HW state after a reset upon module loading by
executing a context switch from a blank context to the kernel context,
thus saving the default hw state over the blank context image.
We can then use the default hw state to initialise any future context,
ensuring that each starts with the default view of hw state.

v2: Unmap our default state from the GTT after stealing it from the
context. This should stop us from accidentally overwriting it via the
GTT (and frees up some precious GTT space).

Testcase: igt/gem_ctx_isolation
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171110142634.10551-7-chris@chris-wilson.co.uk
2017-11-10 17:23:10 +00:00
arch x86/platform/intel/iosf_mbi: Add unlocked PMIC bus access notifier unregister 2017-11-10 13:14:02 +01:00
block
certs
crypto
Documentation dt-bindings: display: sun4i: Add binding for A31 HDMI controller 2017-10-11 09:53:25 +02:00
drivers drm/i915: Record the default hw state after reset upon load 2017-11-10 17:23:10 +00:00
firmware
fs Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-10-01 12:10:02 -07:00
include drm/i915: Record the default hw state after reset upon load 2017-11-10 17:23:10 +00:00
init
ipc
kernel Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-10-01 12:34:42 -07:00
lib
mm Merge drm-upstream/drm-next into drm-intel-next-queued 2017-10-18 12:37:31 +03:00
net
samples
scripts Merge airlied/drm-next into drm-misc-next 2017-10-03 11:09:16 +02:00
security
sound
tools 2nd batch of v4.15 features: 2017-10-12 10:20:03 +10:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Add dri-devel as a mailing list for anything fbdev 2017-10-03 11:23:42 +02:00
Makefile Linux 4.14-rc3 2017-10-01 14:54:54 -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.