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Filename Latest commit message Latest commit date
james qian wang (Arm Technology China) 5d51f6c0da drm/komeda: Add writeback support
Komeda driver uses a individual component to describe the HW's writeback
caps, but drivers doesn't define a new structure and still uses the
existing "struct komeda_layer" to describe this new component.
The detailed changes as follow:

1. Initialize wb_layer according to HW and report it to CORE.
2. CORE exposes wb_layer as a resource to KMS by private_obj.
3. Report writeback supporting by add a wb_connector to KMS, and then
   wb_connector will take act as a component resources user,
   so the func komeda_wb_encoder_atomic_check claims komeda resources
   (scaler and wb_layer) accroding to its state configuration to the
   wb_connector. and the wb_state configuration will be validated on the
   specific component resources to see if the caps of component can
   meet the requirement of wb_connector. if not check failed.
4. Update irq_handler to notify the completion of writeback.

NOTE:
This change doesn't add scaling writeback support, that support will
be added in the future after the scaler support.

v2: Rebase
v3: Rebase and constify the d71_wb_layer_funcs
v4: Addressed Ayan's comments

Depends on:
- https://patchwork.freedesktop.org/series/59915/

Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Acked-by: Ayan Kumar Halder <ayan.halder@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2019-06-19 11:42:16 +01:00
arch Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-06-16 07:28:14 -10:00
block blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests 2019-06-13 03:05:58 -06:00
certs
crypto
Documentation Linux 5.2-rc5 2019-06-19 12:07:29 +02:00
drivers drm/komeda: Add writeback support 2019-06-19 11:42:16 +01:00
fs Fix rounding error in gfs2_iomap_page_prepare 2019-06-14 17:27:12 -10:00
include Linux 5.2-rc5 2019-06-19 12:07:29 +02:00
init
ipc
kernel Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-06-16 07:22:56 -10:00
lib lib/genalloc: introduce chunk owners 2019-06-13 17:34:56 -10:00
LICENSES
mm Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-06-16 07:28:14 -10:00
net
samples
scripts scripts/decode_stacktrace.sh: prefix addr2line with $CROSS_COMPILE 2019-06-13 17:34:56 -10:00
security Smack: Restore the smackfsdef mount option and add missing prefixes 2019-06-14 14:25:04 -10:00
sound sound fixes for 5.2-rc5 2019-06-14 05:37:06 -10:00
tools mm/devm_memremap_pages: fix final page put race 2019-06-13 17:34:56 -10:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Linux 5.2-rc5 2019-06-19 12:07:29 +02:00
Makefile Linux 5.2-rc5 2019-06-16 08:49:45 -10:00
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.