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Dillon Varone 892f054b3f drm/amd/display: Configure DTBCLK_P with OPTC only for dcn401 
[ Upstream commit 3c6c8d1a1e ]

[WHY]
DTBCLK_P is used to generate virtual pixel clock, and to drive the HPO
stream encoder clock. Programming the required clock when
enabling/disabling both components can cause issues.
For example, if HPO is being disabled and clock source is changed to
REFCLK, virtual pixel rate will then be wrong, causing issues in CRTC.

[HOW]
Only program the DTBCLK_P when programming CRTC, as its expected it will
be enabled prior to HPO, and disabled after HPO in all valid cases.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 874697e127 ("drm/amd/display: Defer BW-optimization-blocked DRR adjustments")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-05-29 11:01:55 +02:00
arch arm64: dts: rockchip: Remove overdrive-mode OPPs from RK3588J SoC dtsi 2025-05-22 14:29:48 +02:00
block scsi: sd_zbc: block: Respect bio vector limits for REPORT ZONES buffer 2025-05-22 14:29:49 +02:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: Kconfig - Select LIB generic option 2025-05-02 07:59:33 +02:00
Documentation netlink: specs: tc: all actions are indexed arrays 2025-05-22 14:29:42 +02:00
drivers drm/amd/display: Configure DTBCLK_P with OPTC only for dcn401 2025-05-29 11:01:55 +02:00
fs CIFS: New mount option for cifs.upcall namespace resolution 2025-05-22 14:29:52 +02:00
include drm/fbdev-dma: Support struct drm_driver.fbdev_probe 2025-05-22 14:29:53 +02:00
init rust: clean Rust 1.88.0's unnecessary_transmutes lint 2025-05-18 08:24:51 +02:00
io_uring io_uring: always arm linked timeouts prior to issue 2025-05-18 08:24:57 +02:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-05 14:03:02 +01:00
kernel ring-buffer: Fix persistent buffer when commit page is the reader page 2025-05-22 14:29:50 +02:00
lib crypto: lib/Kconfig - Hide arch options from user 2025-05-02 07:59:32 +02:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm mm/page_alloc: fix race condition in unaccepted memory handling 2025-05-22 14:29:52 +02:00
net net/tls: fix kernel panic when alloc_page failed 2025-05-22 14:29:43 +02:00
rust rust: clean Rust 1.88.0's clippy::uninlined_format_args lint 2025-05-18 08:24:57 +02:00
samples tracing: samples: Initialize trace_array_printk() with the correct function 2025-05-22 14:29:48 +02:00
scripts kbuild: Disable -Wdefault-const-init-unsafe 2025-05-22 14:29:48 +02:00
security landlock: Prepare to add second errata 2025-04-20 10:15:56 +02:00
sound ALSA: usb-audio: Add sample rate quirk for Microdia JP001 USB Camera 2025-05-22 14:29:47 +02:00
tools vsock/test: Fix occasional failure in SIOCOUTQ tests 2025-05-22 14:29:41 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 13:02:18 +01:00
virt KVM: Add member to struct kvm_gfn_range to indicate private/shared 2025-05-22 14:29:36 +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: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-18 08:24:51 +02:00
.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 6.12.30 2025-05-22 14:29:54 +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.