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Abhinav Kumar db33bf43ee drm/msm/dp: fix the max supported bpp logic
[ Upstream commit d19d5b8d8f ]

Fix the dp_panel_get_supported_bpp() API to return the minimum
supported bpp correctly for relevant cases and use this API
to correct the behavior of DP driver which hard-codes the max supported
bpp to 30.

This is incorrect because the number of lanes and max data rate
supported by the lanes need to be taken into account.

Replace the hardcoded limit with the appropriate math which accounts
for the accurate number of lanes and max data rate.

changes in v2:
	- Fix the dp_panel_get_supported_bpp() and use it
	- Drop the max_t usage as dp_panel_get_supported_bpp() already
	  returns the min_bpp correctly now

changes in v3:
	- replace min_t with just min as all params are u32

Fixes: c943b4948b ("drm/msm/dp: add displayPort driver support")
Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/43
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> # SM8350-HDK
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/607073/
Link: https://lore.kernel.org/r/20240805202009.1120981-1-quic_abhinavk@quicinc.com
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-08-29 17:30:48 +02:00
arch openrisc: Call setup_memory() earlier in the init sequence 2024-08-29 17:30:39 +02:00
block block: Fix lockdep warning in blk_mq_mark_tag_wait 2024-08-29 17:30:33 +02:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: aead,cipher - zeroize key buffer after use 2024-07-11 12:47:05 +02:00
Documentation bpf: Replace bpf_lpm_trie_key 0-length array with flexible array 2024-08-29 17:30:22 +02:00
drivers drm/msm/dp: fix the max supported bpp logic 2024-08-29 17:30:48 +02:00
fs btrfs: send: allow cloning non-aligned extent if it ends at i_size 2024-08-29 17:30:42 +02:00
include kcm: Serialise kcm_sendmsg() for the same socket. 2024-08-29 17:30:44 +02:00
init rust: fix the default format for CONFIG_{RUSTC,BINDGEN}_VERSION_TEXT 2024-08-29 17:30:32 +02:00
io_uring io_uring: fix io_match_task must_hold 2024-08-03 08:49:53 +02:00
ipc sysctl: treewide: drop unused argument ctl_table_root::set_ownership(table) 2024-08-11 12:35:51 +02:00
kernel hrtimer: Prevent queuing of hrtimer without a function callback 2024-08-29 17:30:41 +02:00
lib bitmap: introduce generic optimized bitmap_size() 2024-08-29 17:30:14 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm mm: Remove kmem_valid_obj() 2024-08-29 17:30:28 +02:00
net netfilter: flowtable: validate vlan header 2024-08-29 17:30:47 +02:00
rust rust: macros: fix soundness issue in module! macro 2024-05-17 11:56:17 +02:00
samples bpf: Replace bpf_lpm_trie_key 0-length array with flexible array 2024-08-29 17:30:22 +02:00
scripts rust: work around bindgen 0.69.0 issue 2024-08-29 17:30:32 +02:00
security selinux: fix potential counting error in avc_add_xperms_decision() 2024-08-29 17:30:15 +02:00
sound ASoC: SOF: ipc4: check return value of snd_sof_ipc_msg_data 2024-08-29 17:30:33 +02:00
tools selftests: udpgro: report error when receive failed 2024-08-29 17:30:44 +02:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-06-27 13:46:21 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -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 Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
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: add leah to 6.1 MAINTAINERS file 2024-05-17 11:56:16 +02:00
Makefile Linux 6.1.106 2024-08-19 06:00:07 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.