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Martin Blumenstingl 762c69e6ed clk: meson: gxbb: Limit the HDMI PLL OD to /4 on GXL/GXM SoCs 
[ Upstream commit 5b1a43950f ]

GXBB has the HDMI PLL OD in the HHI_HDMI_PLL_CNTL2 register while for
GXL/GXM the OD has moved to HHI_HDMI_PLL_CNTL3. At first glance the rest
of the OD setup seems identical.

However, looking at the downstream kernel sources as well as testing
shows that GXL only supports three OD values:
- register value 0 means: divide by 1
- register value 1 means: divide by 2
- register value 2 means: divide by 4

Using register value 3 (which on GXBB means: divide by 8) still divides
by 4 as verified using meson-clk-measure. Downstream sources are also
only using OD register values 0, 1 and 2 for GXL (while for GXBB the
downstream kernel sources are also using value 3).

Add clk_div_table and have it replace the CLK_DIVIDER_POWER_OF_TWO flag
to make the kernel's view of this register match with how the hardware
actually works.

Fixes: 69d9229327 ("clk: meson: add the gxl hdmi pll")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20260105204710.447779-2-martin.blumenstingl@googlemail.com
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-03-04 07:20:25 -05:00
arch arm64: dts: qcom: sm6115: Add CX_MEM/DBGC GPU regions 2026-03-04 07:19:47 -05:00
block block: add a bio_add_virt_nofail helper 2026-03-04 07:19:26 -05:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec 2026-01-30 10:28:39 +01:00
Documentation Documentation: tracing: Add PCI tracepoint documentation 2026-03-04 07:19:59 -05:00
drivers clk: meson: gxbb: Limit the HDMI PLL OD to /4 on GXL/GXM SoCs 2026-03-04 07:20:25 -05:00
fs fs/nfs: Fix readdir slow-start regression 2026-03-04 07:20:24 -05:00
include scsi: ufs: host: mediatek: Require CONFIG_PM 2026-03-04 07:20:24 -05:00
init init: handle bootloader identifier in kernel parameters 2025-10-19 16:33:50 +02:00
io_uring io_uring/sync: validate passed in offset 2026-03-04 07:19:28 -05:00
ipc ipc: don't audit capability check in ipc_permissions() 2026-03-04 07:20:07 -05:00
kernel tracing: Remove duplicate ENABLE_EVENT_STR and DISABLE_EVENT_STR macros 2026-03-04 07:20:25 -05:00
lib procfs: avoid fetching build ID while holding VMA lock 2026-02-11 13:40:18 +01:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather 2026-02-19 16:29:55 +01:00
net RDMA/core: add rdma_rw_max_sge() helper for SQ sizing 2026-03-04 07:20:22 -05:00
rust rust: rbtree: fix documentation typo in CursorMut peek_next method 2026-02-06 16:55:44 +01:00
samples samples/ftrace: Adjust LoongArch register restore order in direct calls 2026-01-08 10:14:50 +01:00
scripts scripts: generate_rust_analyzer: Add compiler_builtins -> core dep 2026-02-06 16:55:47 +01:00
security evm: Use ordered xattrs list to calculate HMAC in evm_init_hmac() 2026-03-04 07:19:56 -05:00
sound ASoC: nau8821: Fixup nau8821_enable_jack_detect() 2026-03-04 07:19:52 -05:00
tools tools/power/x86/intel-speed-select: Fix file descriptor leak in isolate_cpus() 2026-03-04 07:20:18 -05:00
usr kbuild: uapi: Strip comments before size type check 2025-11-13 15:34:35 -05:00
virt KVM: Don't clobber irqfd routing type when deassigning irqfd 2026-02-11 13:40:17 +01:00
.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 gpiolib-acpi: Update file references in the Documentation and MAINTAINERS 2026-02-11 13:40:29 +01:00
Makefile Linux 6.12.74 2026-02-19 16:29:56 +01:00
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.