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Tomita Moeko c72303e7eb Revert "drm/xe/gt: Update handling of xe_force_wake_get return" 
This reverts commit d42b44736e.

The reverted commit updated the handling of xe_force_wake_get to match
the new "return refcounted domain mask" semantics introduced in commit
a7ddcea1f5 ("drm/xe: Error handling in xe_force_wake_get()"). However,
that API change only exists in 6.13 and later.

In 6.12 stable kernel, xe_force_wake_get still returns a status code.
The update incorrectly treats the return value as a mask, causing the
return value of 0 to be misinterpreted as an error. As a result, the
driver probe fails with -ETIMEDOUT in xe_pci_probe -> xe_device_probe
-> xe_gt_init_hwconfig -> xe_force_wake_get.

[ 1254.323172] xe 0000:00:02.0: [drm] Found ALDERLAKE_P (device ID 46a6) display version 13.00 stepping D0
[ 1254.323175] xe 0000:00:02.0: [drm:xe_pci_probe [xe]] ALDERLAKE_P  46a6:000c dgfx:0 gfx:Xe_LP (12.00) media:Xe_M (12.00) display:yes dma_m_s:39 tc:1 gscfi:0 cscfi:0
[ 1254.323275] xe 0000:00:02.0: [drm:xe_pci_probe [xe]] Stepping = (G:C0, M:C0, B:**)
[ 1254.323328] xe 0000:00:02.0: [drm:xe_pci_probe [xe]] SR-IOV support: no (mode: none)
[ 1254.323379] xe 0000:00:02.0: [drm:intel_pch_type [xe]] Found Alder Lake PCH
[ 1254.323475] xe 0000:00:02.0: probe with driver xe failed with error -110

Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/5373
Cc: Badal Nilawar <badal.nilawar@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Tomita Moeko <tomitamoeko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-08-01 09:48:47 +01:00
arch ARM: 9448/1: Use an absolute path to unified.h in KBUILD_AFLAGS 2025-08-01 09:48:47 +01:00
block block: fix kobject leak in blk_unregister_queue 2025-07-24 08:56:30 +02:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: ecdsa - Harden against integer overflows in DIV_ROUND_UP() 2025-07-17 18:37:24 +02:00
Documentation bpf: Adjust free target to avoid global starvation of LRU map 2025-07-17 18:37:22 +02:00
drivers Revert "drm/xe/gt: Update handling of xe_force_wake_get return" 2025-08-01 09:48:47 +01:00
fs ext4: fix out of bounds punch offset 2025-08-01 09:48:46 +01:00
include sprintf.h requires stdarg.h 2025-08-01 09:48:43 +01:00
init rust: clean Rust 1.88.0's unnecessary_transmutes lint 2025-05-18 08:24:51 +02:00
io_uring io_uring/poll: fix POLLERR handling 2025-07-24 08:56:23 +02:00
ipc ipc: fix to protect IPCS lookups using RCU 2025-06-27 11:11:22 +01:00
kernel selftests/bpf: Add tests with stack ptr register in conditional jmp 2025-08-01 09:48:44 +01:00
lib lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users() 2025-07-17 18:37:14 +02:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm mm/zsmalloc: do not pass __GFP_MOVABLE if CONFIG_COMPACTION=n 2025-08-01 09:48:44 +01:00
net net/sched: sch_qfq: Avoid triggering might_sleep in atomic context in qfq_delete_class 2025-08-01 09:48:41 +01:00
rust rust: use #[used(compiler)] to fix build and modpost with Rust >= 1.89.0 2025-07-24 08:56:37 +02:00
samples samples/bpf: Fix compilation failure for samples/bpf on LoongArch Fedora 2025-05-29 11:02:01 +02:00
scripts rust: use #[used(compiler)] to fix build and modpost with Rust >= 1.89.0 2025-07-24 08:56:37 +02:00
security selinux: change security_compute_sid to return the ssid or tsid on match 2025-07-10 16:05:04 +02:00
sound ALSA: hda: Add missing NVIDIA HDA codec IDs 2025-08-01 09:48:47 +01:00
tools selftests/bpf: Add tests with stack ptr register in conditional jmp 2025-08-01 09:48:44 +01:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 13:02:18 +01:00
virt KVM: Allow CPU to reschedule while setting per-page memory attributes 2025-07-17 18:37:08 +02:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.clippy.toml rust: give Clippy the minimum supported Rust version 2025-08-01 09:48:44 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore rust: introduce .clippy.toml 2025-03-13 13:01:42 +01:00
.mailmap mailmap: add entry for Thorsten Blum 2024-11-07 14:14:59 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove self from DSA entry 2024-11-03 12:52:38 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: Update Alexey Makhalov's email address 2025-05-22 14:29:46 +02:00
Makefile Linux 6.12.40 2025-07-24 08:56:38 +02:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.