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Harry Wentland e47f1691ad drm/amd/display: Don't restrict bpc to 8 bpc
This will let us pass the kms_hdr.bpc_switch IGT
test.

The reason the bpc restriction was required is
historical. At one point in time we were not falling
back to a lower bpc when we didn't have enough
bandwidth for the maximum bpc reported by a display.
This meant that we couldn't enable some high refresh
modes unless we limitted the bpc.

Starting with this patch the issue is fixed:
commit cbd14ae7ea ("drm/amd/display: Fix
incorrectly pruned modes with deep color")

This patch implemented a fallback mechanism if mode
validation failed at the max bpc. This means users
now automatically get all modes that can be supported
by at least 6 bpc. The driver will enable the mode
with the highest possible bpc that is supported by
the display.

v2:
 - explain why this is no longer needed (Michel)
 - refer to commit that fixed bpc fallback (Michel)

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Cc: Sebastian Wick <sebastian.wick@redhat.com>
Cc: Vitaly.Prosyak@amd.com
Cc: Joshua Ashton <joshua@froggi.es>
Cc: dri-devel@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Cc: Michel Dänzer <michel.daenzer@mailbox.org>
Reviewed-by: Joshua Ashton <joshua@froggi.es>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-02-28 14:28:39 -05:00
arch - Start checking for -mindirect-branch-cs-prefix clang support too now that LLVM 2023-01-29 11:17:34 -08:00
block block-6.2-2023-01-20 2023-01-20 12:44:41 -08:00
certs
crypto
Documentation Short summary of fixes pull: 2023-02-16 10:12:35 +01:00
drivers drm/amd/display: Don't restrict bpc to 8 bpc 2023-02-28 14:28:39 -05:00
fs 4 smb3 server fixes, all also for stable 2023-01-28 10:52:51 -08:00
include drm/amdgpu: add more fields into device info, caches sizes, etc. 2023-02-23 17:35:58 -05:00
init Kbuild fixes for v6.2 (3rd) 2023-01-21 10:56:37 -08:00
io_uring io_uring: always prep_async for drain requests 2023-01-27 06:29:29 -07:00
ipc
kernel - Cleanup the firmware node for the new IRQ MSI domain properly, to 2023-01-29 11:26:49 -08:00
lib hardening fixes for v6.2-rc6 2023-01-27 16:09:12 -08:00
LICENSES
mm Revert "mm/compaction: fix set skip in fast_find_migrateblock" 2023-01-29 10:38:43 -08:00
net net: mctp: mark socks as dead on unhash, prevent re-add 2023-01-25 13:07:37 +00:00
rust
samples Linux 6.2-rc6 2023-01-31 12:23:23 +01:00
scripts Fix up more non-executable files marked executable 2023-01-28 11:17:57 -08:00
security
sound treewide: fix up files incorrectly marked executable 2023-01-26 10:05:39 -08:00
tools gpio fixes for v6.2-rc6 2023-01-27 13:47:40 -08:00
usr
virt VFIO fixes for v6.2-rc6 2023-01-23 11:56:07 -08:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
.rustfmt.toml
COPYING
CREDITS MAINTAINERS: Update MPTCP maintainer list and CREDITS 2023-01-23 21:42:13 -08:00
Kbuild
Kconfig
MAINTAINERS Linux 6.2-rc6 2023-01-31 12:23:23 +01:00
Makefile Linux 6.2-rc6 2023-01-29 13:59:43 -08:00
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.