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The select of KEXEC for CRASH_DUMP in kernel/Kconfig.kexec will be
dropped, then compiling errors will be triggered if below config
items are set:
===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
===
Here, change the dependency of building kexec_core related object files,
and the ifdeffery on SuperH from CONFIG_KEXEC to CONFIG_KEXEC_CORE.
Link: https://lkml.kernel.org/r/20231208073036.7884-5-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Eric DeVolder <eric_devolder@yahoo.com>
Cc: Ignat Korchagin <ignat@cloudflare.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The select of KEXEC for CRASH_DUMP in kernel/Kconfig.kexec will be
dropped, then compiling errors will be triggered if below config items are
set:
===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
===
--------------------------------------------------------------------
mipsel-linux-ld: kernel/kexec_core.o: in function `kimage_free':
kernel/kexec_core.c:(.text+0x2200): undefined reference to `machine_kexec_cleanup'
mipsel-linux-ld: kernel/kexec_core.o: in function `__crash_kexec':
kernel/kexec_core.c:(.text+0x2480): undefined reference to `machine_crash_shutdown'
mipsel-linux-ld: kernel/kexec_core.c:(.text+0x2488): undefined reference to `machine_kexec'
mipsel-linux-ld: kernel/kexec_core.o: in function `kernel_kexec':
kernel/kexec_core.c:(.text+0x29b8): undefined reference to `machine_shutdown'
mipsel-linux-ld: kernel/kexec_core.c:(.text+0x29c0): undefined reference to `machine_kexec'
--------------------------------------------------------------------
Here, change the dependency of building kexec_core related object files,
and the ifdeffery in mips from CONFIG_KEXEC to CONFIG_KEXEC_CORE.
Link: https://lkml.kernel.org/r/20231208073036.7884-4-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311302042.sn8cDPIX-lkp@intel.com/
Cc: Eric DeVolder <eric_devolder@yahoo.com>
Cc: Ignat Korchagin <ignat@cloudflare.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The select of KEXEC for CRASH_DUMP in kernel/Kconfig.kexec will be
dropped, then compiling errors will be triggered if below config items are
set:
===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
===
Here, change the dependency of buinding machine_kexec.o relocate_kernel.o
and the ifdeffery in asm/kexe.h to CONFIG_KEXEC_CORE.
Link: https://lkml.kernel.org/r/20231208073036.7884-3-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Eric DeVolder <eric_devolder@yahoo.com>
Cc: Ignat Korchagin <ignat@cloudflare.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Patch series "kexec: fix the incorrect ifdeffery and dependency of
CONFIG_KEXEC".
The select of KEXEC for CRASH_DUMP in kernel/Kconfig.kexec will be
dropped, then compiling errors will be triggered if below config items are
set:
===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
===
E.g on mips, below link error are seen:
--------------------------------------------------------------------
mipsel-linux-ld: kernel/kexec_core.o: in function `kimage_free':
kernel/kexec_core.c:(.text+0x2200): undefined reference to `machine_kexec_cleanup'
mipsel-linux-ld: kernel/kexec_core.o: in function `__crash_kexec':
kernel/kexec_core.c:(.text+0x2480): undefined reference to `machine_crash_shutdown'
mipsel-linux-ld: kernel/kexec_core.c:(.text+0x2488): undefined reference to `machine_kexec'
mipsel-linux-ld: kernel/kexec_core.o: in function `kernel_kexec':
kernel/kexec_core.c:(.text+0x29b8): undefined reference to `machine_shutdown'
mipsel-linux-ld: kernel/kexec_core.c:(.text+0x29c0): undefined reference to `machine_kexec'
--------------------------------------------------------------------
Here, change the incorrect dependency of building kexec_core related
object files, and the ifdeffery on architectures from CONFIG_KEXEC to
CONFIG_KEXEC_CORE.
Testing:
========
Passed on mips and loognarch with the LKP reproducer.
This patch (of 5):
Currently, in arch/loongarch/kernel/Makefile, building machine_kexec.o
relocate_kernel.o depends on CONFIG_KEXEC.
Whereas, since we will drop the select of KEXEC for CRASH_DUMP in
kernel/Kconfig.kexec, compiling error will be triggered if below config
items are set:
===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
===
---------------------------------------------------------------
loongarch64-linux-ld: kernel/kexec_core.o: in function `.L209':
>> kexec_core.c:(.text+0x1660): undefined reference to `machine_kexec_cleanup'
loongarch64-linux-ld: kernel/kexec_core.o: in function `.L287':
>> kexec_core.c:(.text+0x1c5c): undefined reference to `machine_crash_shutdown'
>> loongarch64-linux-ld: kexec_core.c:(.text+0x1c64): undefined reference to `machine_kexec'
loongarch64-linux-ld: kernel/kexec_core.o: in function `.L2^B5':
>> kexec_core.c:(.text+0x2090): undefined reference to `machine_shutdown'
loongarch64-linux-ld: kexec_core.c:(.text+0x20a0): undefined reference to `machine_kexec'
---------------------------------------------------------------
Here, change the dependency of machine_kexec.o relocate_kernel.o to
CONFIG_KEXEC_CORE can fix above building error.
Link: https://lkml.kernel.org/r/20231208073036.7884-1-bhe@redhat.com
Link: https://lkml.kernel.org/r/20231208073036.7884-2-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311300946.kHE9Iu71-lkp@intel.com/
Cc: Eric DeVolder <eric_devolder@yahoo.com>
Cc: Ignat Korchagin <ignat@cloudflare.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The cleanup tasks of kdamond threads including reset of corresponding
DAMON context's ->kdamond field and decrease of global nr_running_ctxs
counter is supposed to be executed by kdamond_fn(). However, commit
0f91d13366a4 ("mm/damon: simplify stop mechanism") made neither
damon_start() nor damon_stop() ensure the corresponding kdamond has
started the execution of kdamond_fn().
As a result, the cleanup can be skipped if damon_stop() is called fast
enough after the previous damon_start(). Especially the skipped reset
of ->kdamond could cause a use-after-free.
Fix it by waiting for start of kdamond_fn() execution from
damon_start().
Link: https://lkml.kernel.org/r/20231208175018.63880-1-sj@kernel.org
Fixes: 0f91d13366a4 ("mm/damon: simplify stop mechanism")
Signed-off-by: SeongJae Park <sj@kernel.org>
Reported-by: Jakub Acs <acsjakub@amazon.de>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Jakub Acs <acsjakub@amazon.de>
Cc: <stable@vger.kernel.org> # 5.15.x
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Doing a ksft_print_msg() before the ksft_print_header() seems to confuse
the ksft framework in a strange way: running the test on the cmdline
results in the expected output.
But piping the output somewhere else, results in some odd output,
whereby we repeatedly get the same info printed:
# [INFO] detected THP size: 2048 KiB
# [INFO] detected hugetlb page size: 2048 KiB
# [INFO] detected hugetlb page size: 1048576 KiB
# [INFO] huge zeropage is enabled
TAP version 13
1..190
# [INFO] Anonymous memory tests in private mappings
# [RUN] Basic COW after fork() ... with base page
# [INFO] detected THP size: 2048 KiB
# [INFO] detected hugetlb page size: 2048 KiB
# [INFO] detected hugetlb page size: 1048576 KiB
# [INFO] huge zeropage is enabled
TAP version 13
1..190
# [INFO] Anonymous memory tests in private mappings
# [RUN] Basic COW after fork() ... with base page
ok 1 No leak from parent into child
# [RUN] Basic COW after fork() ... with swapped out base page
# [INFO] detected THP size: 2048 KiB
# [INFO] detected hugetlb page size: 2048 KiB
# [INFO] detected hugetlb page size: 1048576 KiB
# [INFO] huge zeropage is enabled
Doing the ksft_print_header() first seems to resolve that and gives us
the output we expect:
TAP version 13
# [INFO] detected THP size: 2048 KiB
# [INFO] detected hugetlb page size: 2048 KiB
# [INFO] detected hugetlb page size: 1048576 KiB
# [INFO] huge zeropage is enabled
1..190
# [INFO] Anonymous memory tests in private mappings
# [RUN] Basic COW after fork() ... with base page
ok 1 No leak from parent into child
# [RUN] Basic COW after fork() ... with swapped out base page
ok 2 No leak from parent into child
# [RUN] Basic COW after fork() ... with THP
ok 3 No leak from parent into child
# [RUN] Basic COW after fork() ... with swapped-out THP
ok 4 No leak from parent into child
# [RUN] Basic COW after fork() ... with PTE-mapped THP
ok 5 No leak from parent into child
Link: https://lkml.kernel.org/r/20231206103558.38040-1-david@redhat.com
Fixes: f4b5fd6946e2 ("selftests/vm: anon_cow: THP tests")
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: Nico Pache <npache@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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After converting selinux to VMA heap check helper, the gcl triggers an
execheap SELinux denial, which is caused by a changed logic check.
Previously selinux only checked that the VMA range was within the VMA heap
range, and the implementation checks the intersection between the two
ranges, but the corner case (vm_end=start_brk, brk=vm_start) isn't handled
correctly.
Since commit 11250fd12eb8 ("mm: factor out VMA stack and heap checks") was
only a function extraction, it seems that the issue was introduced by
commit 0db0c01b53a1 ("procfs: fix /proc/<pid>/maps heap check"). Let's
fix above corner cases, meanwhile, correct the wrong indentation of the
stack and heap check helpers.
Fixes: 11250fd12eb8 ("mm: factor out VMA stack and heap checks")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reported-by: Ondrej Mosnacek <omosnace@redhat.com>
Closes: https://lore.kernel.org/selinux/CAFqZXNv0SVT0fkOK6neP9AXbj3nxJ61JAY4+zJzvxqJaeuhbFw@mail.gmail.com/
Tested-by: Ondrej Mosnacek <omosnace@redhat.com>
Link: https://lkml.kernel.org/r/20231207152525.2607420-1-wangkefeng.wang@huawei.com
Cc: David Hildenbrand <david@redhat.com>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Smalley <stephen.smalley.work@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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When below config items are set, compiler complained:
--------------------
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
......
-----------------------
-------------------------------------------------------------------
arch/riscv/kernel/crash_core.c: In function 'arch_crash_save_vmcoreinfo':
arch/riscv/kernel/crash_core.c:11:58: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Wformat=]
11 | vmcoreinfo_append_str("NUMBER(VMALLOC_START)=0x%lx\n", VMALLOC_START);
| ~~^
| |
| long unsigned int
| %x
----------------------------------------------------------------------
This is because on riscv macro VMALLOC_START has different type when
CONFIG_MMU is set or unset.
arch/riscv/include/asm/pgtable.h:
--------------------------------------------------
Changing it to _AC(0, UL) in case CONFIG_MMU=n can fix the warning.
Link: https://lkml.kernel.org/r/ZW7OsX4zQRA3mO4+@MiWiFi-R3L-srv
Signed-off-by: Baoquan He <bhe@redhat.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Cc: Eric DeVolder <eric_devolder@yahoo.com>
Cc: Ignat Korchagin <ignat@cloudflare.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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In commit f8ff23429c62 ("kernel/Kconfig.kexec: drop select of KEXEC for
CRASH_DUMP") we tried to fix a config regression, where CONFIG_CRASH_DUMP
required CONFIG_KEXEC.
However, it was not enough at least for arm64 platforms. While further
testing the patch with our arm64 config I noticed that CONFIG_CRASH_DUMP
is unavailable in menuconfig. This is because CONFIG_CRASH_DUMP still
depends on the new CONFIG_ARCH_SUPPORTS_KEXEC introduced in commit
91506f7e5d21 ("arm64/kexec: refactor for kernel/Kconfig.kexec") and on
arm64 CONFIG_ARCH_SUPPORTS_KEXEC requires CONFIG_PM_SLEEP_SMP=y, which in
turn requires either CONFIG_SUSPEND=y or CONFIG_HIBERNATION=y neither of
which are set in our config.
Given that we already established that CONFIG_KEXEC (which is a switch for
kexec system call itself) is not required for CONFIG_CRASH_DUMP drop
CONFIG_ARCH_SUPPORTS_KEXEC dependency as well. The arm64 kernel builds
just fine with CONFIG_CRASH_DUMP=y and with both CONFIG_KEXEC=n and
CONFIG_KEXEC_FILE=n after f8ff23429c62 ("kernel/Kconfig.kexec: drop select
of KEXEC for CRASH_DUMP") and this patch are applied given that the
necessary shared bits are included via CONFIG_KEXEC_CORE dependency.
[bhe@redhat.com: don't export some symbols when CONFIG_MMU=n]
Link: https://lkml.kernel.org/r/ZW03ODUKGGhP1ZGU@MiWiFi-R3L-srv
[bhe@redhat.com: riscv, kexec: fix dependency of two items]
Link: https://lkml.kernel.org/r/ZW04G/SKnhbE5mnX@MiWiFi-R3L-srv
Link: https://lkml.kernel.org/r/20231129220409.55006-1-ignat@cloudflare.com
Fixes: 91506f7e5d21 ("arm64/kexec: refactor for kernel/Kconfig.kexec")
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Baoquan He <bhe@redhat.com>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: <stable@vger.kernel.org> # 6.6+: f8ff234: kernel/Kconfig.kexec: drop select of KEXEC for CRASH_DUMP
Cc: <stable@vger.kernel.org> # 6.6+
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of HD-audio quirks for TAS2781 codec and device-specific
workarounds"
* tag 'sound-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/tas2781: reset the amp before component_add
ALSA: hda/tas2781: call cleanup functions only once
ALSA: hda/tas2781: handle missing EFI calibration data
ALSA: hda/tas2781: leave hda_component in usable state
ALSA: hda/realtek: Apply mute LED quirk for HP15-db
ALSA: hda/hdmi: add force-connect quirks for ASUSTeK Z170 variants
ALSA: hda/hdmi: add force-connect quirk for NUC5CPYB
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Calling component_add starts loading the firmware, the callback function
writes the program to the amplifiers. If the module resets the
amplifiers after component_add, it happens that one of the amplifiers
does not work because the reset and program writing are interleaving.
Call tas2781_reset before component_add to ensure reliable
initialization.
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
CC: stable@vger.kernel.org
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Link: https://lore.kernel.org/r/4d23bf58558e23ee8097de01f70f1eb8d9de2d15.1702511246.git.soyer@irl.hu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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If the module can load the RCA but not the firmware binary, it will call
the cleanup functions. Then unloading the module causes general
protection fault due to double free.
Do not call the cleanup functions in tasdev_fw_ready.
general protection fault, probably for non-canonical address
0x6f2b8a2bff4c8fec: 0000 [#1] PREEMPT SMP NOPTI
Call Trace:
<TASK>
? die_addr+0x36/0x90
? exc_general_protection+0x1c5/0x430
? asm_exc_general_protection+0x26/0x30
? tasdevice_config_info_remove+0x6d/0xd0 [snd_soc_tas2781_fmwlib]
tas2781_hda_unbind+0xaa/0x100 [snd_hda_scodec_tas2781_i2c]
component_unbind+0x2e/0x50
component_unbind_all+0x92/0xa0
component_del+0xa8/0x140
tas2781_hda_remove.isra.0+0x32/0x60 [snd_hda_scodec_tas2781_i2c]
i2c_device_remove+0x26/0xb0
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
CC: stable@vger.kernel.org
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Link: https://lore.kernel.org/r/1a0885c424bb21172702d254655882b59ef6477a.1702510018.git.soyer@irl.hu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The code does not properly check whether the calibration variable is
available in the EFI. If it is not available, it causes a NULL pointer
dereference.
Check the return value of the first get_variable call also.
BUG: kernel NULL pointer dereference, address: 0000000000000000
Call Trace:
<TASK>
? __die+0x23/0x70
? page_fault_oops+0x171/0x4e0
? srso_alias_return_thunk+0x5/0x7f
? schedule+0x5e/0xd0
? exc_page_fault+0x7f/0x180
? asm_exc_page_fault+0x26/0x30
? crc32_body+0x2c/0x120
? tas2781_save_calibration+0xe4/0x220 [snd_hda_scodec_tas2781_i2c]
tasdev_fw_ready+0x1af/0x280 [snd_hda_scodec_tas2781_i2c]
request_firmware_work_func+0x59/0xa0
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
CC: stable@vger.kernel.org
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Link: https://lore.kernel.org/r/f1f6583bda918f78556f67d522ca7b3b91cebbd5.1702251102.git.soyer@irl.hu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Unloading then loading the module causes a NULL ponter dereference.
The hda_unbind zeroes the hda_component, later the hda_bind tries
to dereference the codec field.
The hda_component is only initialized once by tas2781_generic_fixup.
Set only previously modified fields to NULL.
BUG: kernel NULL pointer dereference, address: 0000000000000322
Call Trace:
<TASK>
? __die+0x23/0x70
? page_fault_oops+0x171/0x4e0
? exc_page_fault+0x7f/0x180
? asm_exc_page_fault+0x26/0x30
? tas2781_hda_bind+0x59/0x140 [snd_hda_scodec_tas2781_i2c]
component_bind_all+0xf3/0x240
try_to_bring_up_aggregate_device+0x1c3/0x270
__component_add+0xbc/0x1a0
tas2781_hda_i2c_probe+0x289/0x3a0 [snd_hda_scodec_tas2781_i2c]
i2c_device_probe+0x136/0x2e0
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
Cc: stable@vger.kernel.org
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Link: https://lore.kernel.org/r/8b8ed2bd5f75fbb32e354a3226c2f966fa85b46b.1702156522.git.soyer@irl.hu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The HP laptop 15-db0403ng uses the ALC236 codec and controls the mute
LED using COEF 0x07 index 1.
Sound card subsystem: Hewlett-Packard Company Device [103c:84ae]
Use the existing quirk for this model.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/e61815d0-f1c7-b164-e49d-6ca84771476a@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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On ASUSTeK Z170M PLUS and Z170 PRO GAMING systems, the display codec
pins are not registered properly without the force-connect quirk. The
codec will report only one pin as having external connectivity, but i915
finds all three connectors on the system, so the two drivers are not
in sync.
Issue found with DRM igt-gpu-tools test kms_hdmi_inject@inject-audio.
Link: https://gitlab.freedesktop.org/drm/intel/-/issues/9801
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Saarinen <jani.saarinen@intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20231208132127.2438067-3-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add one more older NUC model that requires quirk to force all pins to be
connected. The display codec pins are not registered properly without
the force-connect quirk. The codec will report only one pin as having
external connectivity, but i915 finds all three connectors on the
system, so the two drivers are not in sync.
Issue found with DRM igt-gpu-tools test kms_hdmi_inject@inject-audio.
Link: https://gitlab.freedesktop.org/drm/igt-gpu-tools/-/issues/3
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Saarinen <jani.saarinen@intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20231208132127.2438067-2-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Pull drm fixes from Dave Airlie:
"More regular fixes, amdgpu, i915, mediatek and nouveau are most of
them this week. Nothing too major, then a few misc bits and pieces in
core, panel and ivpu.
drm:
- fix uninit problems in crtc
- fix fd ownership check
- edid: add modes in fallback paths
panel:
- move LG panel into DSI yaml
- ltk050h3146w: set burst mode
mediatek:
- mtk_disp_gamma: Fix breakage due to merge issue
- fix kernel oops if no crtc is found
- Add spinlock for setting vblank event in atomic_begin
- Fix access violation in mtk_drm_crtc_dma_dev_get
i915:
- Fix selftest engine reset count storage for multi-tile
- Fix out-of-bounds reads for engine reset counts
- Fix ADL+ remapped stride with CCS
- Fix intel_atomic_setup_scalers() plane_state handling
- Fix ADL+ tiled plane stride when the POT stride is smaller than the original
- Fix eDP 1.4 rate select method link configuration
amdgpu:
- Fix suspend fix that got accidently mangled last week
- Fix OD regression
- PSR fixes
- OLED Backlight regression fix
- JPEG 4.0.5 fix
- Misc display fixes
- SDMA 5.2 fix
- SDMA 2.4 regression fix
- GPUVM race fix
nouveau:
- fix gk20a instobj hierarchy
- fix headless iors inheritance regression
ivpu:
- fix WA initialisation"
* tag 'drm-fixes-2023-12-15' of git://anongit.freedesktop.org/drm/drm: (31 commits)
drm/nouveau/kms/nv50-: Don't allow inheritance of headless iors
drm/nouveau: Fixup gk20a instobj hierarchy
drm/amdgpu: warn when there are still mappings when a BO is destroyed v2
drm/amdgpu: fix tear down order in amdgpu_vm_pt_free
drm/amd: Fix a probing order problem on SDMA 2.4
drm/amdgpu/sdma5.2: add begin/end_use ring callbacks
drm/panel: ltk050h3146w: Set burst mode for ltk050h3148w
dt-bindings: panel-simple-dsi: move LG 5" HD TFT LCD panel into DSI yaml
drm/amd/display: Disable PSR-SU on Parade 0803 TCON again
drm/amd/display: Populate dtbclk from bounding box
drm/amd/display: Revert "Fix conversions between bytes and KB"
drm/amdgpu/jpeg: configure doorbell for each playback
drm/amd/display: Restore guard against default backlight value < 1 nit
drm/amd/display: fix hw rotated modes when PSR-SU is enabled
drm/amd/pm: fix pp_*clk_od typo
drm/amdgpu: fix buffer funcs setting order on suspend harder
drm/mediatek: Fix access violation in mtk_drm_crtc_dma_dev_get
drm/edid: also call add modes in EDID connector update fallback
drm/i915/edp: don't write to DP_LINK_BW_SET when using rate select
drm/i915: Fix ADL+ tiled plane stride when the POT stride is smaller than the original
...
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Turns out we made a silly mistake when coming up with OR inheritance on
nouveau. On pre-DCB 4.1, iors are statically routed to output paths via the
DCB. On later generations iors are only routed to an output path if they're
actually being used. Unfortunately, it appears with NVIF_OUTP_INHERIT_V0 we
make the mistake of assuming the later is true on all generations, which is
currently leading us to return bogus ior -> head assignments through nvif,
which causes WARN_ON().
So - fix this by verifying that we actually know that there's a head
assigned to an ior before allowing it to be inherited through nvif. This
-should- hopefully fix the WARN_ON on GT218 reported by Borislav.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Reported-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231214004359.1028109-1-lyude@redhat.com
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Commit 12c9b05da918 ("drm/nouveau/imem: support allocations not
preserved across suspend") uses container_of() to cast from struct
nvkm_memory to struct nvkm_instobj, assuming that all instance objects
are derived from struct nvkm_instobj. For the gk20a family that's not
the case and they are derived from struct nvkm_memory instead. This
causes some subtle data corruption (nvkm_instobj.preserve ends up
mapping to gk20a_instobj.vaddr) that causes a NULL pointer dereference
in gk20a_instobj_acquire_iommu() (and possibly elsewhere) and also
prevents suspend/resume from working.
Fix this by making struct gk20a_instobj derive from struct nvkm_instobj
instead.
Fixes: 12c9b05da918 ("drm/nouveau/imem: support allocations not preserved across suspend")
Reported-by: Jonathan Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231208104653.1917055-1-thierry.reding@gmail.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v6.7-rc6:
- Fix regression for checking if FD is master capable.
- Fix uninitialized variables in drm/crtc.
- Fix ivpu w/a.
- Refresh modes correctly when updating EDID.
- Small panel fixes.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2d46b68f-c5a4-45e5-beb4-411569f4aac8@linux.intel.com
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The ltk050h3148w variant expects the horizontal component lane byte clock
cycle(lbcc) to be calculated using lane_mbps (burst mode) instead of the
pixel clock.
Using the pixel clock rate by default for this calculation was introduced
in commit ac87d23694f4 ("drm/bridge: synopsys: dw-mipi-dsi: Use pixel clock
rate to calculate lbcc") and starting from commit 93e82bb4de01
("drm/bridge: synopsys: dw-mipi-dsi: Fix hcomponent lbcc for burst mode")
only panels that support burst mode can keep using the lane_mbps. So add
MIPI_DSI_MODE_VIDEO_BURST as part of the mode_flags for the dsi host.
Fixes: 93e82bb4de01 ("drm/bridge: synopsys: dw-mipi-dsi: Fix hcomponent lbcc for burst mode")
Signed-off-by: Farouk Bouabid <farouk.bouabid@theobroma-systems.com>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20231213145045.41020-1-farouk.bouabid@theobroma-systems.com
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Originally was in the panel-simple, but belongs to panel-simple-dsi.
See arch/arm/boot/dts/nvidia/tegra114-roth.dts for more details.
Resolves the following warning:
```
arch/arm/boot/dts/tegra114-roth.dt.yaml: panel@0: 'reg' does not match any of the regexes: 'pinctrl-[0-9]+'
From schema: Documentation/devicetree/bindings/display/panel/panel-simple.yaml
```
Fixes: 310abcea76e9 ("dt-bindings: display: convert simple lg panels to DT Schema")
Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Link: https://lore.kernel.org/r/20231212200934.99262-1-david@ixit.cz
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231212200934.99262-1-david@ixit.cz
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When the separate add modes call was added back in commit c533b5167c7e
("drm/edid: add separate drm_edid_connector_add_modes()"), it failed to
address drm_edid_override_connector_update(). Also call add modes there.
Reported-by: bbaa <bbaa@bbaa.fun>
Closes: https://lore.kernel.org/r/930E9B4C7D91FDFF+29b34d89-8658-4910-966a-c772f320ea03@bbaa.fun
Fixes: c533b5167c7e ("drm/edid: add separate drm_edid_connector_add_modes()")
Cc: <stable@vger.kernel.org> # v6.3+
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231207093821.2654267-1-jani.nikula@intel.com
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Using PCI Device ID/Revision to initialize the interrupt_clear_with_0
workaround is problematic - there are many pre-production
steppings with different behavior, even with the same PCI ID/Revision
Instead of checking for PCI Device ID/Revision, check the VPU
buttress interrupt status register behavior - if this register
is not zero after writing 1s it means there register is RW
instead of RW1C and we need to enable the interrupt_clear_with_0
workaround.
Fixes: 7f34e01f77f8 ("accel/ivpu: Clear specific interrupt status bits on C0")
Signed-off-by: Andrzej Kacprowski <Andrzej.Kacprowski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://lore.kernel.org/all/20231204122331.40560-1-jacek.lawrynowicz@linux.intel.com
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Commit 3823119b9c2b ("drm/crtc: Fix uninit-value bug in
drm_mode_setcrtc") was supposed to fix use of an uninitialized variable,
but introduced another.
num_connectors is only initialized if crtc_req->count_connectors > 0,
but it's used regardless. Fix it.
Fixes: 3823119b9c2b ("drm/crtc: Fix uninit-value bug in drm_mode_setcrtc")
Cc: syzbot+4fad2e57beb6397ab2fc@syzkaller.appspotmail.com
Cc: Ziqi Zhao <astrajoan@yahoo.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231208131238.2924571-1-jani.nikula@intel.com
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The connector_set contains uninitialized values when allocated with
kmalloc_array. However, in the "out" branch, the logic assumes that any
element in connector_set would be equal to NULL if failed to
initialize, which causes the bug reported by Syzbot. The fix is to use
an extra variable to keep track of how many connectors are initialized
indeed, and use that variable to decrease any refcounts in the "out"
branch.
Reported-by: syzbot+4fad2e57beb6397ab2fc@syzkaller.appspotmail.com
Signed-off-by: Ziqi Zhao <astrajoan@yahoo.com>
Reported-and-tested-by: syzbot+4fad2e57beb6397ab2fc@syzkaller.appspotmail.com
Tested-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Link: https://lore.kernel.org/r/20230721161446.8602-1-astrajoan@yahoo.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The DRM subsystem keeps a record of the owner of a DRM device file
descriptor using thread group ID (TGID) instead of process ID (PID), to
ensures all threads within the same userspace process are considered the
owner. However, the DRM master ownership check compares the current
thread's PID against the record, so the thread is incorrectly considered to
be not the FD owner if the PID is not equal to the TGID. This causes DRM
ioctls to be denied master privileges, even if the same thread that opened
the FD performs an ioctl. Fix this by checking TGID.
Fixes: 4230cea89cafb ("drm: Track clients by tgid and not tid")
Signed-off-by: Lingkai Dong <lingkai.dong@arm.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v6.4+
Link: https://patchwork.freedesktop.org/patch/msgid/PA6PR08MB107665920BE9A96658CDA04CE8884A@PA6PR08MB10766.eurprd08.prod.outlook.com
Signed-off-by: Christian König <christian.koenig@amd.com>
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.7-2023-12-13:
amdgpu:
- Fix suspend fix that got accidently mangled last week
- Fix OD regression
- PSR fixes
- OLED Backlight regression fix
- JPEG 4.0.5 fix
- Misc display fixes
- SDMA 5.2 fix
- SDMA 2.4 regression fix
- GPUVM race fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231213221122.4937-1-alexander.deucher@amd.com
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This can only happen when there is a reference counting bug.
v2: fix typo
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When freeing PD/PT with shadows it can happen that the shadow
destruction races with detaching the PD/PT from the VM causing a NULL
pointer dereference in the invalidation code.
Fix this by detaching the the PD/PT from the VM first and then
freeing the shadow instead.
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: https://gitlab.freedesktop.org/drm/amd/-/issues/2867
Cc: <stable@vger.kernel.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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commit 751e293f2c99 ("drm/amd: Move microcode init from sw_init to
early_init for SDMA v2.4") made a fateful mistake in
`adev->sdma.num_instances` wasn't declared when sdma_v2_4_init_microcode()
was run. This caused probing to fail.
Move the declaration to right before sdma_v2_4_init_microcode().
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3043
Fixes: 751e293f2c99 ("drm/amd: Move microcode init from sw_init to early_init for SDMA v2.4")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add begin/end_use ring callbacks to disallow GFXOFF when
SDMA work is submitted and allow it again afterward.
This should avoid corner cases where GFXOFF is erroneously
entered when SDMA is still active. For now just allow/disallow
GFXOFF in the begin and end helpers until we root cause the
issue. This should not impact power as SDMA usage is pretty
minimal and GFXOSS should not be active when SDMA is active
anyway, this just makes it explicit.
v2: move everything into sdma5.2 code. No reason for this
to be generic at this point.
v3: Add comments in new code
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2220
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> (v1)
Tested-by: Mario Limonciello <mario.limonciello@amd.com> (v1)
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.15+
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When screen brightness is rapidly changed and PSR-SU is enabled the
display hangs on panels with this TCON even on the latest DCN 3.1.4
microcode (0x8002a81 at this time).
This was disabled previously as commit 072030b17830 ("drm/amd: Disable
PSR-SU on Parade 0803 TCON") but reverted as commit 1e66a17ce546 ("Revert
"drm/amd: Disable PSR-SU on Parade 0803 TCON"") in favor of testing for
a new enough microcode (commit cd2e31a9ab93 ("drm/amd/display: Set minimum
requirement for using PSR-SU on Phoenix")).
As hangs are still happening specifically with this TCON, disable PSR-SU
again for it until it can be root caused.
Cc: stable@vger.kernel.org
Cc: aaron.ma@canonical.com
Cc: binli@gnome.org
Cc: Marc Rossi <Marc.Rossi@amd.com>
Cc: Hamza Mahfooz <Hamza.Mahfooz@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2046131
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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dtbclk is unavaliable from pmfw. Try to grab the value from bounding box
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why & How]
HostVMMinPageSize is expected to be in KB according to spec,
the checks later down the line reflect this as well.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Doorbell is configured during start of each playback.
v1 - add comment for the doorbell programming change
Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Mark reports that brightness is not restored after Xorg dpms screen blank.
This behavior was introduced by commit d9e865826c20 ("drm/amd/display:
Simplify brightness initialization") which dropped the cached backlight
value in display code, but also removed code for when the default value
read back was less than 1 nit.
Restore this code so that the backlight brightness is restored to the
correct default value in this circumstance.
Reported-by: Mark Herbert <mark.herbert42@gmail.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3031
Cc: stable@vger.kernel.org
Cc: Camille Cho <camille.cho@amd.com>
Cc: Krunoslav Kovac <krunoslav.kovac@amd.com>
Cc: Hamza Mahfooz <hamza.mahfooz@amd.com>
Fixes: d9e865826c20 ("drm/amd/display: Simplify brightness initialization")
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We currently don't support dirty rectangles on hardware rotated modes.
So, if a user is using hardware rotated modes with PSR-SU enabled,
use PSR-SU FFU for all rotated planes (including cursor planes).
Cc: stable@vger.kernel.org
Fixes: 30ebe41582d1 ("drm/amd/display: add FB_DAMAGE_CLIPS support")
Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2952
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Bin Li <binli@gnome.org>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fix pp_dpm_sclk_od and pp_dpm_mclk_od typos.
Those were defined as pp_*clk_od but used as pp_dpm_*clk_od instead.
This change removes the _dpm part.
Fixes: 8cfd6a05750c ("drm/amd/pm: Hide irrelevant pm device attributes")
Signed-off-by: Dmitrii Galantsev <dmitrii.galantsev@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Part of commit dab96d8b61aa ("drm/amdgpu: fix buffer funcs setting order on suspend")
got dropped accidently. Add it back.
Fixes: dab96d8b61aa ("drm/amdgpu: fix buffer funcs setting order on suspend")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v6.7-rc6:
- Fix selftest engine reset count storage for multi-tile
- Fix out-of-bounds reads for engine reset counts
- Fix ADL+ remapped stride with CCS
- Fix intel_atomic_setup_scalers() plane_state handling
- Fix ADL+ tiled plane stride when the POT stride is smaller than the original
- Fix eDP 1.4 rate select method link configuration
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/871qbqw4rw.fsf@intel.com
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The eDP 1.5 spec adds a clarification for eDP 1.4x:
> For eDP v1.4x, if the Source device chooses the Main-Link rate by way
> of DPCD 00100h, the Sink device shall ignore DPCD 00115h[2:0].
We write 0 to DP_LINK_BW_SET (DPCD 100h) even when using
DP_LINK_RATE_SET (DPCD 114h). Stop doing that, as it can cause the panel
to ignore the rate set method.
Moreover, 0 is a reserved value for DP_LINK_BW_SET, and should not be
used.
v2: Improve the comments (Ville)
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9081
Tested-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231205180551.2476228-1-jani.nikula@intel.com
(cherry picked from commit 23b392b94acb0499f69706c5808c099f590ebcf4)
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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the original
plane_view_scanout_stride() currently assumes that we had to pad the
mapping stride with dummy pages in order to align it. But that is not
the case if the original fb stride exceeds the aligned stride used
to populate the remapped view, which is calculated from the user
specified framebuffer width rather than the user specified framebuffer
stride.
Ignore the original fb stride in this case and just stick to the POT
aligned stride. Getting this wrong will cause the plane to fetch the
wrong data, and can lead to fault errors if the page tables at the
bogus location aren't even populated.
TODO: figure out if this is OK for CCS, or if we should instead increase
the width of the view to cover the entire user specified fb stride
instead...
Cc: Imre Deak <imre.deak@intel.com>
Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231204202443.31247-1-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
(cherry picked from commit 01a39f1c4f1220a4e6a25729fae87ff5794cbc52)
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Since the plane_state variable is declared outside the scaler_users
loop in intel_atomic_setup_scalers(), and it's never reset back to
NULL inside the loop we may end up calling intel_atomic_setup_scaler()
with a non-NULL plane state for the pipe scaling case. That is bad
because intel_atomic_setup_scaler() determines whether we are doing
plane scaling or pipe scaling based on plane_state!=NULL. The end
result is that we may miscalculate the scaler mode for pipe scaling.
The hardware becomes somewhat upset if we end up in this situation
when scanning out a planar format on a SDR plane. We end up
programming the pipe scaler into planar mode as well, and the
result is a screenfull of garbage.
Fix the situation by making sure we pass the correct plane_state==NULL
when calculating the scaler mode for pipe scaling.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231207193441.20206-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit e81144106e21271c619f0c722a09e27ccb8c043d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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On ADL+ the hardware automagically calculates the CCS AUX surface
stride from the main surface stride, so when remapping we can't
really play a lot of tricks with the main surface stride, or else
the AUX surface stride would get miscalculated and no longer
match the actual data layout in memory.
Supposedly we could remap in 256 main surface tile units
(AUX page(4096)/cachline(64)*4(4x1 main surface tiles per
AUX cacheline)=256 main surface tiles), but the extra complexity
is probably not worth the hassle.
So let's just make sure our mapping stride is calculated from
the full framebuffer stride (instead of the framebuffer width).
This way the stride we program into PLANE_STRIDE will be the
original framebuffer stride, and thus there will be no change
to the AUX stride/layout.
Cc: stable@vger.kernel.org
Cc: Imre Deak <imre.deak@intel.com>
Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231205180308.7505-1-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
(cherry picked from commit 2c12eb36f849256f5eb00ffaee9bf99396fd3814)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Commit 503579448db9 ("drm/i915/gsc: Mark internal GSC engine with reserved uabi class")
made the GSC0 engine not have a valid uabi class and so broke the engine
reset counting, which in turn was made class based in cb823ed9915b ("drm/i915/gt: Use intel_gt as the primary object for handling resets").
Despite the title and commit text of the latter is not mentioning it (and
has left the storage array incorrectly sized), tracking by class, despite
it adding aliasing in hypthotetical multi-tile systems, is handy for
virtual engines which for instance do not have a valid engine->id.
Therefore we keep that but just change it to use the internal class which
is always valid. We also add a helper to increment the count, which
aligns with the existing getter.
What was broken without this fix were out of bounds reads every time a
reset would happen on the GSC0 engine, or during selftests when storing
and cross-checking the counts in igt_live_test_begin and
igt_live_test_end.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 503579448db9 ("drm/i915/gsc: Mark internal GSC engine with reserved uabi class")
[tursulin: fixed Fixes tag]
Reported-by: Alan Previn Teres Alexis <alan.previn.teres.alexis@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231201122109.729006-2-tvrtko.ursulin@linux.intel.com
(cherry picked from commit cf9cb028ac56696ff879af1154c4b2f0b12701fd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Engine->id namespace is per-tile so struct igt_live_test->reset_engine[]
needs to be two-dimensional so engine reset counts from all tiles can be
stored with no aliasing. With aliasing, if we had a real multi-tile
platform, the reset counts would be incorrect for same engine instance on
different tiles.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 0c29efa23f5c ("drm/i915/selftests: Consider multi-gt instead of to_gt()")
Reported-by: Alan Previn Teres Alexis <alan.previn.teres.alexis@intel.com>
Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231201122109.729006-1-tvrtko.ursulin@linux.intel.com
(cherry picked from commit 0647ece3819b018cb62a71c3bcb7c2c3243e78ac)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes
Mediatek DRM Fixes - 20231211
1. mtk_disp_gamma: Fix breakage due to merge issue
2. fix kernel oops if no crtc is found
3. Add spinlock for setting vblank event in atomic_begin
4. Fix access violation in mtk_drm_crtc_dma_dev_get
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231211151510.6749-1-chunkuang.hu@kernel.org
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