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Linux mainline fork with MSM8998 patches | https://mainline.space | Currently supported devices: OnePlus 5/5T, Xiaomi Mi 6, F(x)tec Pro¹ (2019 QX1000 model) & Sony Xperia XZ Premium (UNTESTED!)
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Tsuchiya Yuto 5a1b272555 media: atomisp: fix ifdefs in sh_css.c 
## `if (pipe->stream->config.mode == IA_CSS_INPUT_MODE_TPG) {` case

The intel-aero atomisp has `#if defined(IS_ISP_2400_SYSTEM)` [1]. It is
to be defined in the following two places [2]:

  - css/hive_isp_css_common/system_global.h
  - css/css_2401_csi2p_system/system_global.h

and the former file is to be included on ISP2400 devices, too. So, it
is to be defined for both ISP2400 and ISP2401 devices.

Because the upstreamed atomisp driver now supports only ISP2400 and
ISP2401, just remove the ISP version test again. This matches the other
upstream commits like 3c0538fbad ("media: atomisp: get rid of most
checks for ISP2401 version").

While here, moved the comment for define GP_ISEL_TPG_MODE to the
appropriate place.

[1] a1b673258f/drivers/media/pci/atomisp/css/sh_css.c (L552-L558)
[2] https://github.com/intel-aero/linux-kernel/search?q=IS_ISP_2400_SYSTEM

  ## `isys_stream_descr->polling_mode` case

This does not exist on the intel-aero atomisp. This is because it is
based on css version irci_stable_candrpv_0415_20150521_0458.

On the other hand, the upstreamed atomisp is based on the following css
version depending on the ISP version using ifdefs:

  - ISP2400: irci_stable_candrpv_0415_20150521_0458
  - ISP2401: irci_master_20150911_0724

The `isys_stream_descr->polling_mode` usage was added on updating css
version to irci_master_20150701_0213 [3].

So, it is not a ISP version specific thing, but css version specific
thing. Because the upstreamed atomisp driver uses irci_master_20150911_0724
for ISP2401, re-add the ISP version check for now.

I say "for now" because ISP2401 should eventually use the same css
version with ISP2400 (i.e., irci_stable_candrpv_0415_20150521_0458)

[3] https://raw.githubusercontent.com/intel/ProductionKernelQuilts/cht-m1stable-2016_ww31/uefi/cht-m1stable/patches/cam-0439-atomisp2-css2401-and-2401_legacy-irci_master_2015070.patch
    ("atomisp2: css2401 and 2401_legacy-irci_master_20150701_0213")
    Link to Intel's Android kernel patch.

 ## `coord = &me->config.internal_frame_origin_bqs_on_sctbl;` case

it was added on commit 4f744a573d ("media: atomisp: make
sh_css_sp_init_pipeline() ISP version independent") for ISP2401. Because
the upstreamed atomisp for the ISP2401 part is based on
irci_master_20150911_0724, hence the difference.

Because the upstreamed atomisp driver uses irci_master_20150911_0724
for ISP2401, revert the test back to `if (IS_ISP2401)`.

Fixes: 27333dadef ("media: atomisp: adjust some code at sh_css that could be broken")
Signed-off-by: Tsuchiya Yuto <kitakar@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-11-15 08:11:37 +00:00
arch parisc architecture build-, trace-, backtrace- and page table fixes 2021-11-14 11:53:59 -08:00
block blk-mq: fix filesystem I/O request allocation 2021-11-12 09:31:13 -07:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto Update to zstd-1.4.10 2021-11-13 15:32:30 -08:00
Documentation media: v4l2-ctrls: Add RGB color effects control 2021-11-15 08:11:32 +00:00
drivers media: atomisp: fix ifdefs in sh_css.c 2021-11-15 08:11:37 +00:00
fs Minor tweaks for 5.16: 2021-11-14 12:18:22 -08:00
include media: v4l2-ctrls: Add RGB color effects control 2021-11-15 08:11:32 +00:00
init kconfig: Add support for -Wimplicit-fallthrough 2021-11-14 13:27:30 -08:00
ipc ipc/ipc_sysctl.c: remove fallback for !CONFIG_PROC_SYSCTL 2021-11-09 10:02:53 -08:00
kernel A single fix for POSIX CPU timers to address a problem where POSIX CPU 2021-11-14 10:43:38 -08:00
lib Update to zstd-1.4.10 2021-11-13 15:32:30 -08:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm Revert "mm: shmem: don't truncate page if memory failure happens" 2021-11-13 12:03:03 -08:00
net One notable change here is that async creates and unlinks introduced 2021-11-13 11:31:07 -08:00
samples Add gitignore file for samples/fanotify/ subdirectory 2021-11-07 11:19:24 -08:00
scripts coccinelle patches for 5.16-rc1 2021-11-13 10:45:17 -08:00
security net,lsm,selinux: revert the security_sctp_assoc_established() hook 2021-11-12 12:07:02 -05:00
sound sound fixes for 5.16-rc1 2021-11-12 12:17:30 -08:00
tools A single fix for static calls to make the trampoline patching more robust 2021-11-14 10:30:17 -08:00
usr initramfs: Check timestamp to prevent broken cpio archive 2021-10-24 13:48:40 +09:00
virt KVM: generalize "bugged" VM to "dead" VM 2021-11-11 10:35:26 -05:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.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: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap Merge branch 'akpm' (patches from Andrew) 2021-11-09 10:11:53 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
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 - Add the model number of a new, Raptor Lake CPU, to intel-family.h 2021-11-14 09:29:03 -08:00
Makefile Linux 5.16-rc1 2021-11-14 13:56:52 -08:00
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.