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Stefan Agner 6e4e3cc46a drm: mxsfb: check framebuffer pitch 
[ Upstream commit d5a0c816900419105a12e7471bf074319dfa34be ]

The lcdif IP does not support a framebuffer pitch (stride) other than
framebuffer width. Check for equality and reject the framebuffer
otherwise.

This prevents a distorted picture when using 640x800 and running the
Mesa graphics stack. Mesa tries to use a cache aligned stride, which
leads at that particular resolution to width != stride. Currently
Mesa has no fallback behavior, but rejecting this configuration allows
userspace to handle the issue correctly.

Fixes: 45d59d704080 ("drm: Add new driver for MXSFB controller")
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200908141654.266836-1-stefan@agner.ch
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-03-16 16:38:39 +08:00
Documentation x86/fpu: Allow multiple bits in clearcpuid= parameter 2021-03-16 16:38:22 +08:00
LICENSES Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
arch x86/events/amd/iommu: Fix sizeof mismatch 2021-03-16 16:38:24 +08:00
block blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue 2021-03-16 16:38:30 +08:00
certs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
crypto crypto: algif_skcipher - EBUSY on aio should be an error 2021-03-16 16:38:24 +08:00
drivers drm: mxsfb: check framebuffer pitch 2021-03-16 16:38:39 +08:00
fs iomap: Clear page error before beginning a write 2021-03-16 16:38:38 +08:00
include ALSA: hda: fix jack detection with Realtek codecs when in D3 2021-03-16 16:38:15 +08:00
init kprobes: tracing/kprobes: Fix to kill kprobes on initmem after boot 2021-03-16 16:37:39 +08:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2021-03-16 16:27:51 +08:00
kernel sched/fair: Fix wrong cpu selecting from isolated domain 2021-03-16 16:38:23 +08:00
lib Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts 2021-03-16 16:37:52 +08:00
mm mm/error_inject: Fix allow_error_inject function signatures. 2021-03-16 16:38:34 +08:00
net icmp: randomize the global rate limiter 2021-03-16 16:38:19 +08:00
package config/arm64: OPEN CONFIG_PSI and phytium configs 2021-03-16 11:02:59 +08:00
samples bpf: Fix fds_example SIGSEGV error 2021-03-16 16:33:24 +08:00
scripts scripts/dtc: only append to HOST_EXTRACFLAGS instead of overwriting 2021-03-16 16:37:50 +08:00
security ima: Don't ignore errors from crypto_shash_update() 2021-03-16 16:38:21 +08:00
sound ASoC: fsl: imx-es8328: add missing put_device() call in imx_es8328_probe() 2021-03-16 16:38:37 +08:00
tools selftests: rtnetlink: load fou module for kci_test_encap_fou() test 2021-03-16 16:38:18 +08:00
usr Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
virt KVM: arm64: Assume write fault on S1PTW permission fault on instruction fetch 2021-03-16 16:37:40 +08:00
.clang-format Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.cocciconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.get_maintainer.ignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitattributes Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
COPYING Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
CREDITS Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kbuild Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
MAINTAINERS Documentation/llvm: add documentation on building w/ Clang/LLVM 2021-03-16 16:34:24 +08:00
Makefile kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables 2021-03-16 16:35:20 +08:00
README Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
README.md Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
backport_remove_lists.txt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tools_key.pub Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00

README.md

Tencent Linux Kernel 4.0