[why]
Updating the cursor enablement register can be a slow operation and accumulates
when high polling rate cursors cause frequent updates asynchronously to the
cursor position.
[how]
Since the cursor enable bit is cached there is no need to update the
enablement register if there is no change to it. This removes the
read-modify-write from the cursor position programming path in HUBP and
DPP, leaving only the register writes.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Sung Lee <sung.lee@amd.com>
Signed-off-by: Aric Cyr <Aric.Cyr@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
When HUBP is power gated, the SW state can get out of sync with the
hardware state causing cursor to not be programmed correctly.
[How]
Similar to DPP, add a HUBP reset function which is called wherever
HUBP is initialized or powergated. This function will clear the cursor
position and attribute cache allowing for proper programming when the
HUBP is brought back up.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Sung Lee <sung.lee@amd.com>
Signed-off-by: Aric Cyr <Aric.Cyr@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
MES internal will check CP_MES_MSCRATCH_LO/HI register to set scratch
data location during ucode start, driver side need to start the MES
one by one with different setting for each pipe
Signed-off-by: Shaoyun Liu <shaoyun.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Effectively amdgpu.gttsize gets set to ~1/2 of RAM, but that's controlled
by what the TTM page limit is set to. Clarify the kdoc.
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>
If the parent is NULL, adev->pdev is used to retrieve the PCIe speed and
width, ensuring that the function can still determine these
capabilities from the device itself.
Fixes the below:
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:6193 amdgpu_device_gpu_bandwidth()
error: we previously assumed 'parent' could be null (see line 6180)
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
6170 static void amdgpu_device_gpu_bandwidth(struct amdgpu_device *adev,
6171 enum pci_bus_speed *speed,
6172 enum pcie_link_width *width)
6173 {
6174 struct pci_dev *parent = adev->pdev;
6175
6176 if (!speed || !width)
6177 return;
6178
6179 parent = pci_upstream_bridge(parent);
6180 if (parent && parent->vendor == PCI_VENDOR_ID_ATI) {
^^^^^^
If parent is NULL
6181 /* use the upstream/downstream switches internal to dGPU */
6182 *speed = pcie_get_speed_cap(parent);
6183 *width = pcie_get_width_cap(parent);
6184 while ((parent = pci_upstream_bridge(parent))) {
6185 if (parent->vendor == PCI_VENDOR_ID_ATI) {
6186 /* use the upstream/downstream switches internal to dGPU */
6187 *speed = pcie_get_speed_cap(parent);
6188 *width = pcie_get_width_cap(parent);
6189 }
6190 }
6191 } else {
6192 /* use the device itself */
--> 6193 *speed = pcie_get_speed_cap(parent);
^^^^^^ Then we are toasted here.
6194 *width = pcie_get_width_cap(parent);
6195 }
6196 }
Fixes: 757e8b951c ("drm/amdgpu: cache gpu pcie link width")
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Suggested-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The function amdgpu_dm_crtc_mem_type_changed was dereferencing pointers
returned by drm_atomic_get_plane_state without checking for errors. This
could lead to undefined behavior if the function returns an error pointer.
This commit adds checks using IS_ERR to ensure that new_plane_state and
old_plane_state are valid before dereferencing them.
Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:11486 amdgpu_dm_crtc_mem_type_changed()
error: 'new_plane_state' dereferencing possible ERR_PTR()
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c
11475 static bool amdgpu_dm_crtc_mem_type_changed(struct drm_device *dev,
11476 struct drm_atomic_state *state,
11477 struct drm_crtc_state *crtc_state)
11478 {
11479 struct drm_plane *plane;
11480 struct drm_plane_state *new_plane_state, *old_plane_state;
11481
11482 drm_for_each_plane_mask(plane, dev, crtc_state->plane_mask) {
11483 new_plane_state = drm_atomic_get_plane_state(state, plane);
11484 old_plane_state = drm_atomic_get_plane_state(state, plane);
^^^^^^^^^^^^^^^^^^^^^^^^^^ These functions can fail.
11485
--> 11486 if (old_plane_state->fb && new_plane_state->fb &&
11487 get_mem_type(old_plane_state->fb) != get_mem_type(new_plane_state->fb))
11488 return true;
11489 }
11490
11491 return false;
11492 }
Fixes: 4caacd1671 ("drm/amd/display: Do not elevate mem_type change to full update")
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Alex Hung <alex.hung@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Hamza Mahfooz <hamza.mahfooz@amd.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
commit 26c95e838e ("drm/amdgpu: set the VM pointer to NULL in
amdgpu_job_prepare") set job->vm as NULL if there is no fence. It will
cause emit switch buffer be skippen if job->vm set as NULL.
Check job rather than vm could solve this problem.
Fixes: 26c95e838e ("drm/amdgpu: set the VM pointer to NULL in amdgpu_job_prepare")
Signed-off-by: Lin.Cao <lincao12@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Fix the initialization and usage of SMU v13.0.6 capability values. Use
caps_set/clear functions to set/clear capability.
Also, fix SET_UCLK_MAX capability on APUs, it is supported on APUs.
Fixes: e9b86b841b ("drm/amd/pm: Add capability flags for SMU v13.0.6")
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This patch refactors the firmware version checks in `smu_v13_0_6_reset_sdma`
to support multiple SMU programs with different firmware version thresholds.
V2: return -EOPNOTSUPP for unspported pmfw
Suggested-by: Lazar Lijo <Lijo.Lazar@amd.com>
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
pmfw now unifies PPSMC_MSG_ResetSDMA definitions for different devices.
PPSMC_MSG_ResetSDMA2 is not needed.
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
pmfw unified PPSMC_MSG_ResetSDMA definitions for different devices.
PPSMC_MSG_ResetSDMA2 is not needed.
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add capability flags for SMU v13.0.6 variants. Initialize the flags
based on firmware support. As there are multiple IP versions maintained,
it is more manageable with one time initialization of caps flags based
on IP version and firmware feature support.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This needs to be kerneldoc formatted.
Fixes: 5349658fa4a1 ("drm/amd: Add debug option to disable subvp")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
This needs to be kerneldoc formatted.
Fixes: 7594874227 ("drm/amd/display: add CEC notifier to amdgpu driver")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Kun Liu <Kun.Liu2@amd.com>
Combine the platform and GPU caps like we do for PCIe Gen.
This aligns properly with expectations and documentation
for the interface.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3820
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Get the PCIe link with of the device itself (or it's
integrated upstream bridge) and cache that.
v2: fix typo
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3820
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
When compiling allmodconfig (CONFIG_WERROR=y) with clang-19, see the
following errors:
.../display/dc/dml2/display_mode_core.c:6268:13: warning: stack frame size (3128) exceeds limit (3072) in 'dml_prefetch_check' [-Wframe-larger-than]
.../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:7236:13: warning: stack frame size (3256) exceeds limit (3072) in 'dml_core_mode_support' [-Wframe-larger-than]
Mark static functions called by dml_prefetch_check() and
dml_core_mode_support() noinline_for_stack to avoid them become huge
functions and thus exceed the frame size limit.
A way to reproduce:
$ git checkout next-20250107
$ mkdir build_dir
$ export PATH=/tmp/llvm-19.1.6-x86_64/bin:$PATH
$ make LLVM=1 O=build_dir allmodconfig
$ make LLVM=1 O=build_dir drivers/gpu/drm/ -j
The way how it chose static functions to mark:
[0] Unset CONFIG_WERROR in build_dir/.config.
To get display_mode_core.o without errors.
[1] Get a function list called by dml_prefetch_check().
$ sed -n '6268,6711p' drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c \
| sed -n -r 's/.*\W(\w+)\(.*/\1/p' | sort -u >/tmp/syms
[2] Get the non-inline function list.
Objdump won't show the symbols if they are inline functions.
$ make LLVM=1 O=build_dir drivers/gpu/drm/ -j
$ objdump -d build_dir/.../display_mode_core.o | \
./scripts/checkstack.pl x86_64 0 | \
grep -f /tmp/syms | cut -d' ' -f2- >/tmp/orig
[3] Get the full function list.
Append "-fno-inline" to `CFLAGS_.../display_mode_core.o` in
drivers/gpu/drm/amd/display/dc/dml2/Makefile.
$ make LLVM=1 O=build_dir drivers/gpu/drm/ -j
$ objdump -d build_dir/.../display_mode_core.o | \
./scripts/checkstack.pl x86_64 0 | \
grep -f /tmp/syms | cut -d' ' -f2- >/tmp/noinline
[4] Get the inline function list.
If a symbol only in /tmp/noinline but not in /tmp/orig, it is a good
candidate to mark noinline.
$ diff /tmp/orig /tmp/noinline
Chosen functions and their stack sizes:
CalculateBandwidthAvailableForImmediateFlip [display_mode_core.o]:144
CalculateExtraLatency [display_mode_core.o]:176
CalculateTWait [display_mode_core.o]:64
CalculateVActiveBandwithSupport [display_mode_core.o]:112
set_calculate_prefetch_schedule_params [display_mode_core.o]:48
CheckGlobalPrefetchAdmissibility [dml2_core_dcn4_calcs.o]:544
calculate_bandwidth_available [dml2_core_dcn4_calcs.o]:320
calculate_vactive_det_fill_latency [dml2_core_dcn4_calcs.o]:272
CalculateDCFCLKDeepSleep [dml2_core_dcn4_calcs.o]:208
CalculateODMMode [dml2_core_dcn4_calcs.o]:208
CalculateOutputLink [dml2_core_dcn4_calcs.o]:176
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
If user shader issues S_SETVSKIP then this state will persist when
executing the trap handler, causing vector instructions to be
skipped.
VSKIP state is already saved/restored through the MODE register.
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Lancelot Six <lancelot.six@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
'add ip block' causes a confusion if the blocks are disabled later with
ip_block_mask. Instead change to 'detected' and also add device context.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Context empty interrupt is enabled for SDMA 4.4.2. Add a handler for
context empty interrupt so that it is disposed of fast, and not
propagated to KFD layer.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Some monitors flicker when subvp is enabled which maybe related to
an uncommon timing they use. To isolate such issues, add a debug
option to help isolate this the issue for debugging.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Source and binary have become mismatched during branch activity.
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Lancelot Six <lancelot.six@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For partial migrate from ram to vram, the migrate->cpages is not
equal to migrate->npages, should use migrate->npages to check all needed
migrate pages which could be copied or not.
And only need to set those pages could be migrated to migrate->dst[i], or
the migrate_vma_pages will migrate the wrong pages based on the migrate->dst[i].
v2:
Add mpages to break the loop earlier.
v3:
Uses MIGRATE_PFN_MIGRATE to identify whether page could be migrated.
v4:
Correct the error part.
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Philip Yang<Philip.Yang@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We added some locking to this function, but accidentally forgot to unlock
if zynqmp_dp_mode_configure() failed. Use a guard lock to fix it.
Fixes: a7d5eeaa57 ("drm: zynqmp_dp: Add locking")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b4042bd9-c943-4738-a2e1-8647259137c6@stanley.mountain
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Merge v6.13 into drm-next
A regression was caused by commit e4b5ccd392 ("drm/v3d: Ensure job
pointer is set to NULL after job completion"), but this commit is not
yet in next-fixes, fast-forward it.
Note that this recreates Linus merge in 96c84703f1 ("Merge tag
'drm-next-2025-01-17' of https://gitlab.freedesktop.org/drm/kernel")
because I didn't want to backmerge a random point in the merge window.
Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
In the combination of DRM_KMS_HELPER=m, DRM_GEM_SHMEM_HELPER=y, DRM_FBDEV_EMULATION=y,
The shmem code fails to link against the KMS helpers:
x86_64-linux-ld: vmlinux.o: in function `drm_fbdev_shmem_driver_fbdev_probe':
(.text+0xeec601): undefined reference to `drm_fb_helper_alloc_info'
x86_64-linux-ld: (.text+0xeec633): undefined reference to `drm_fb_helper_fill_info'
x86_64-linux-ld: vmlinux.o: in function `drm_fbdev_shmem_get_page':
drm_fbdev_shmem.c:(.text+0xeec7d2): undefined reference to `drm_gem_fb_get_obj'
x86_64-linux-ld: vmlinux.o: in function `drm_fbdev_shmem_fb_mmap':
drm_fbdev_shmem.c:(.text+0xeec9f6): undefined reference to `drm_gem_fb_get_obj'
x86_64-linux-ld: vmlinux.o: in function `drm_fbdev_shmem_defio_imageblit':
(.rodata+0x5b2288): undefined reference to `drm_fb_helper_check_var'
x86_64-linux-ld: (.rodata+0x5b2290): undefined reference to `drm_fb_helper_set_par'
This can happen for a number of device drivers that select DRM_GEM_SHMEM_HELPER
without also selecting DRM_KMS_HELPER. To work around this, add another select
that forces DRM_KMS_HELPER to be built-in rather than a loadable module, but
only if FBDEV emulation is also enabled. DRM_TTM_HELPER and DRM_GEM_DMA_HELPER
look like they have the same problem in theory even if there is no possible
configuration that shows it. For consistency, do the same change to those.
Closes: https://lore.kernel.org/all/20250121-greedy-flounder-of-abundance-4d2ee8-mkl@pengutronix.de
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20250122090211.3161186-1-arnd@kernel.org
When testing on my tiled display, initially the tiled display is
detected correctly:
[90376.523692] xe 0000:67:00.0: [drm:drm_client_firmware_config.isra.0 [drm]] fallback: Not all outputs enabled
[90376.523713] xe 0000:67:00.0: [drm:drm_client_firmware_config.isra.0 [drm]] Enabled: 0, detected: 2
...
[90376.523967] xe 0000:67:00.0: [drm:drm_client_modeset_probe [drm]] [CRTC:82:pipe A] desired mode 1920x2160 set (1920,0)
[90376.524020] xe 0000:67:00.0: [drm:drm_client_modeset_probe [drm]] [CRTC:134:pipe B] desired mode 1920x2160 set (0,0)
But then, when modes have been set:
[90379.729525] xe 0000:67:00.0: [drm:drm_client_firmware_config.isra.0 [drm]] [CONNECTOR:287:DP-4] on [CRTC:82:pipe A]: 1920x2160
[90379.729640] xe 0000:67:00.0: [drm:drm_client_firmware_config.isra.0 [drm]] [CONNECTOR:289:DP-5] on [CRTC:134:pipe B]: 1920x2160
...
[90379.730036] xe 0000:67:00.0: [drm:drm_client_modeset_probe [drm]] [CRTC:82:pipe A] desired mode 1920x2160 set (0,0)
[90379.730124] xe 0000:67:00.0: [drm:drm_client_modeset_probe [drm]] [CRTC:134:pipe B] desired mode 1920x2160 set (0,0)
Call drm_client_get_tile_offsets() in drm_client_firmware_config() as
well, to ensure that the offset is set correctly.
This has to be done as a separate pass, as the tile order may not be
equal to the drm connector order.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116142825.3933-2-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
Cc: <stable@vger.kernel.org>
Tiled displays have a different x/y offset to begin with. Instead of
attempting to remember this, just apply a delta instead.
This fixes the first tile being duplicated on other tiles when vt
switching.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116142825.3933-1-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
Cc: <stable@vger.kernel.org>
code
- Make sure FRED's RSP0 MSR is synchronized with its corresponding per-CPU
value in order to avoid double faults in hotplug scenarios
- Disable EXECMEM_ROX on x86 for now because it didn't receive proper x86
maintainers review, went in and broke a bunch of things
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Merge tag 'x86_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Mark serialize() noinstr so that it can be used from instrumentation-
free code
- Make sure FRED's RSP0 MSR is synchronized with its corresponding
per-CPU value in order to avoid double faults in hotplug scenarios
- Disable EXECMEM_ROX on x86 for now because it didn't receive proper
x86 maintainers review, went in and broke a bunch of things
* tag 'x86_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm: Make serialize() always_inline
x86/fred: Fix the FRED RSP0 MSR out of sync with its per-CPU cache
x86: Disable EXECMEM_ROX support
"half-ways" and leaves hrtimers not (re-)initialized properly
- Annotate accesses to a timer group's ignore flag to prevent KCSAN from
raising data_race warnings
- Make sure timer group initialization is visible to timer tree walkers and
avoid a hypothetical race
- Fix another race between CPU hotplug and idle entry/exit where timers on
a fully idle system are getting ignored
- Fix a case where an ignored signal is still being handled which it shouldn't
be
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Merge tag 'timers_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Borislav Petkov:
- Reset hrtimers correctly when a CPU hotplug state traversal happens
"half-ways" and leaves hrtimers not (re-)initialized properly
- Annotate accesses to a timer group's ignore flag to prevent KCSAN
from raising data_race warnings
- Make sure timer group initialization is visible to timer tree walkers
and avoid a hypothetical race
- Fix another race between CPU hotplug and idle entry/exit where timers
on a fully idle system are getting ignored
- Fix a case where an ignored signal is still being handled which it
shouldn't be
* tag 'timers_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hrtimers: Handle CPU state correctly on hotplug
timers/migration: Annotate accesses to ignore flag
timers/migration: Enforce group initialization visibility to tree walkers
timers/migration: Fix another race between hotplug and idle entry/exit
signal/posixtimers: Handle ignore/blocked sequences correctly
- Fix sunxi systems to wake up from suspend with an NMI by pressing the power
button
- Do not spuriously enable interrupts in gic-v3 in a nested
interrupts-off section
- Make sure gic-v3 handles properly a failure to enter a low power state
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Merge tag 'irq_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Fix an OF node leak in irqchip init's error handling path
- Fix sunxi systems to wake up from suspend with an NMI by
pressing the power button
- Do not spuriously enable interrupts in gic-v3 in a nested
interrupts-off section
- Make sure gic-v3 handles properly a failure to enter a
low power state
* tag 'irq_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: Plug a OF node reference leak in platform_irqchip_probe()
irqchip/sunxi-nmi: Add missing SKIP_WAKE flag
irqchip/gic-v3-its: Don't enable interrupts in its_irq_set_vcpu_affinity()
irqchip/gic-v3: Handle CPU_PM_ENTER_FAILED correctly
artifacts
- Avoid scheduling lag by computing lag properly and thus address an EEVDF
entity placement issue
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Merge tag 'sched_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Do not adjust the weight of empty group entities and avoid
scheduling artifacts
- Avoid scheduling lag by computing lag properly and thus address
an EEVDF entity placement issue
* tag 'sched_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE
sched/fair: Fix EEVDF entity placement bug causing scheduling lag
It was reported that the GFP flags in trace events went from human
readable to just their hex values:
gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP to gfp_flags=0x140cca
This was caused by a change that added the use of enums in calculating
the GFP flags. As defines get translated into their values in the
trace event format files, the user space tooling could easily convert
the GFP flags into their symbols via the __print_flags() helper macro.
The problem is that enums do not get converted, and the names of the
enums show up in the format files and user space tooling cannot translate
them.
Add TRACE_DEFINE_ENUM() around the enums used for GFP flags which is the
tracing infrastructure macro that informs the tracing subsystem what
the values for enums and it can then expose that to user space.
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Merge tag 'trace-v6.13-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fix from Steven Rostedt:
"Fix regression in GFP output in trace events
It was reported that the GFP flags in trace events went from human
readable to just their hex values:
gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP to gfp_flags=0x140cca
This was caused by a change that added the use of enums in calculating
the GFP flags.
As defines get translated into their values in the trace event format
files, the user space tooling could easily convert the GFP flags into
their symbols via the __print_flags() helper macro.
The problem is that enums do not get converted, and the names of the
enums show up in the format files and user space tooling cannot
translate them.
Add TRACE_DEFINE_ENUM() around the enums used for GFP flags which is
the tracing infrastructure macro that informs the tracing subsystem
what the values for enums and it can then expose that to user space"
* tag 'trace-v6.13-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: gfp: Fix the GFP enum values shown for user space tracing tools
Another fix and testcase to avoid the newly added WARN in the case of
non-translatable addresses.
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Merge tag 'devicetree-fixes-for-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
"Another fix and testcase to avoid the newly added WARN in the case of
non-translatable addresses"
* tag 'devicetree-fixes-for-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of/address: Fix WARN when attempting translating non-translatable addresses
of/unittest: Add test that of_address_to_resource() fails on non-translatable address
Two last minute fixes: one build issue on TI soc drivers,
and a regression in the renesas reset controller driver.
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Merge tag 'soc-fixes-6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Two last minute fixes: one build issue on TI soc drivers, and a
regression in the renesas reset controller driver"
* tag 'soc-fixes-6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
soc: ti: pruss: Fix pruss APIs
reset: rzg2l-usbphy-ctrl: Assign proper of node to the allocated device
several spi controller drivers because of a change in the way the dummy
cycles validity is checked. We do not know at the moment how to handle
the situation properly, so we prefer to revert the faulty patch for the
next release.
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Merge tag 'mtd/fixes-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd revert from Miquel Raynal:
"Very late this cycle we identified a breakage that could potentially
hit several spi controller drivers because of a change in the way the
dummy cycles validity is checked.
We do not know at the moment how to handle the situation properly, so
we prefer to revert the faulty patch for the next release"
* tag 'mtd/fixes-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
Revert "mtd: spi-nor: core: replace dummy buswidth from addr to data"
Tracing tools like perf and trace-cmd read the /sys/kernel/tracing/events/*/*/format
files to know how to parse the data and also how to print it. For the
"print fmt" portion of that file, if anything uses an enum that is not
exported to the tracing system, user space will not be able to parse it.
The GFP flags use to be defines, and defines get translated in the print
fmt sections. But now they are converted to use enums, which is not.
The mm_page_alloc trace event format use to have:
print fmt: "page=%p pfn=0x%lx order=%d migratetype=%d gfp_flags=%s",
REC->pfn != -1UL ? (((struct page *)vmemmap_base) + (REC->pfn)) : ((void
*)0), REC->pfn != -1UL ? REC->pfn : 0, REC->order, REC->migratetype,
(REC->gfp_flags) ? __print_flags(REC->gfp_flags, "|", {( unsigned
long)(((((((( gfp_t)(0x400u|0x800u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) |
(( gfp_t)0x100000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u) | (( gfp_t)0)) |
(( gfp_t)0x40000u) | (( gfp_t)0x80000u) | (( gfp_t)0x2000u)) & ~((
gfp_t)(0x400u|0x800u))) | (( gfp_t)0x400u)), "GFP_TRANSHUGE"}, {( unsigned
long)((((((( gfp_t)(0x400u|0x800u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) |
(( gfp_t)0x100000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u) | (( gfp_t)0)) ...
Where the GFP values are shown and not their names. But after the GFP
flags were converted to use enums, it has:
print fmt: "page=%p pfn=0x%lx order=%d migratetype=%d gfp_flags=%s",
REC->pfn != -1UL ? (vmemmap + (REC->pfn)) : ((void *)0), REC->pfn != -1UL
? REC->pfn : 0, REC->order, REC->migratetype, (REC->gfp_flags) ?
__print_flags(REC->gfp_flags, "|", {( unsigned long)((((((((
gfp_t)(((((1UL))) << (___GFP_DIRECT_RECLAIM_BIT))|((((1UL))) <<
(___GFP_KSWAPD_RECLAIM_BIT)))) | (( gfp_t)((((1UL))) << (___GFP_IO_BIT)))
| (( gfp_t)((((1UL))) << (___GFP_FS_BIT))) | (( gfp_t)((((1UL))) <<
(___GFP_HARDWALL_BIT)))) | (( gfp_t)((((1UL))) << (___GFP_HIGHMEM_BIT))))
| (( gfp_t)((((1UL))) << (___GFP_MOVABLE_BIT))) | (( gfp_t)0)) | ((
gfp_t)((((1UL))) << (___GFP_COMP_BIT))) ...
Where the enums names like ___GFP_KSWAPD_RECLAIM_BIT are shown and not their
values. User space has no way to convert these names to their values and
the output will fail to parse. What is shown is now:
mm_page_alloc: page=0xffffffff981685f3 pfn=0x1d1ac1 order=0 migratetype=1 gfp_flags=0x140cca
The TRACE_DEFINE_ENUM() macro was created to handle enums in the print fmt
files. This causes them to be replaced at boot up with the numbers, so
that user space tooling can parse it. By using this macro, the output is
back to the human readable:
mm_page_alloc: page=0xffffffff981685f3 pfn=0x122233 order=0 migratetype=1 gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Veronika Molnarova <vmolnaro@redhat.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/20250116214438.749504792@goodmis.org
Reported-by: Michael Petlan <mpetlan@redhat.com>
Closes: https://lore.kernel.org/all/87be5f7c-1a0-dad-daa0-54e342efaea7@redhat.com/
Fixes: 772dd03427 ("mm: enumerate all gfp flags")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
- ltc2991, tmp513: Fix problems seen when dividing negative numbers
- drivetemp: Handle large timeouts observed on some drives
- acpi_power_meter: Fix loading the driver on platforms without _PMD method
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Merge tag 'hwmon-for-v6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- ltc2991, tmp513: Fix problems seen when dividing negative numbers
- drivetemp: Handle large timeouts observed on some drives
- acpi_power_meter: Fix loading the driver on platforms without _PMD
method
* tag 'hwmon-for-v6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ltc2991) Fix mixed signed/unsigned in DIV_ROUND_CLOSEST
hwmon: (drivetemp) Set scsi command timeout to 10s
hwmon: (acpi_power_meter) Fix a check for the return value of read_domain_devices().
hwmon: (tmp513) Fix division of negative numbers
- convert regular spinlock to raw spinlock in gpio-xilinx to avoid a
lockdep splat
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Merge tag 'gpio-fixes-for-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fix from Bartosz Golaszewski:
- convert regular spinlock to raw spinlock in gpio-xilinx to avoid a
lockdep splat
* tag 'gpio-fixes-for-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: xilinx: Convert gpio_lock to raw spinlock
This pull request fixes:
- a ref leak in the I2C core
- the remove notification in the address translator
- a missing error check in the pinctrl demuxer
(plus a typo fix)
- handling NAK when Linux is testunit target
- handling NAK for the Renesas R-Car controller when
it is a target
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Merge tag 'i2c-for-6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- fix ref leak in the I2C core
- fix remove notification in the address translator
- missing error check in the pinctrl demuxer (plus a typo fix)
- fix NAK handling when Linux is testunit target
- fix NAK handling for the Renesas R-Car controller when it is a target
* tag 'i2c-for-6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: testunit: on errors, repeat NACK until STOP
i2c: rcar: fix NACK handling when being a target
i2c: mux: demux-pinctrl: correct comment
i2c: mux: demux-pinctrl: check initial mux selection, too
i2c: atr: Fix client detach
i2c: core: fix reference leak in i2c_register_adapter()
address post-6.12 issues.
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Merge tag 'mm-hotfixes-stable-2025-01-16-21-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"7 singleton hotfixes. 6 are MM.
Two are cc:stable and the remainder address post-6.12 issues"
* tag 'mm-hotfixes-stable-2025-01-16-21-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
ocfs2: check dir i_size in ocfs2_find_entry
mailmap: update entry for Ethan Carter Edwards
mm: zswap: move allocations during CPU init outside the lock
mm: khugepaged: fix call hpage_collapse_scan_file() for anonymous vma
mm: shmem: use signed int for version handling in casefold option
alloc_tag: skip pgalloc_tag_swap if profiling is disabled
mm: page_alloc: fix missed updates of lowmem_reserve in adjust_managed_page_count
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Merge tag '6.13-rc7-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix double free when reconnect racing with closing session
- fix SMB1 reconnect with password rotation
* tag '6.13-rc7-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: fix double free of TCP_Server_Info::hostname
cifs: support reconnect with alternate password for SMB1
kunit:
- Fix W=1 build for kunit tests.
bridge:
- Handle YCbCr420 better in bridge code, with tests.
- itee-it6263 error handling fix.
amdgpu:
- SMU 13 fix
- DP MST fixes
- DCN 3.5 fix
- PSR fixes
- eDP fix
- VRR fix
- Enforce isolation fixes
- GFX 12 fix
- PSP 14.x fix
xe:
- Add steering info support for GuC register lists
- Add means to wait for reset and synchronous reset
- Make changing ccs_mode a synchronous action
- Add missing mux registers
- Mark ComputeCS read mode as UC on iGPU, unblocking ULLS on iGPU
i915:
- Relax clear color alignment to 64 bytes [fb]
v3d:
- Fix warn when unloading v3d.
nouveau:
- Fix cross-device fence handling in nouveau.
- Fix backlight regression for macbooks 5,1
vmwgfx:
- Fix BO reservation handling in vmwgfx.
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Merge tag 'drm-fixes-2025-01-17' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Final(?) set of fixes for 6.13, I think the holidays finally caught up
with everyone, the misc changes are 2 weeks worth, otherwise amdgpu
and xe are most of it. The largest pieces is a new test so I'm not too
worried about that.
kunit:
- Fix W=1 build for kunit tests
bridge:
- Handle YCbCr420 better in bridge code, with tests
- itee-it6263 error handling fix
amdgpu:
- SMU 13 fix
- DP MST fixes
- DCN 3.5 fix
- PSR fixes
- eDP fix
- VRR fix
- Enforce isolation fixes
- GFX 12 fix
- PSP 14.x fix
xe:
- Add steering info support for GuC register lists
- Add means to wait for reset and synchronous reset
- Make changing ccs_mode a synchronous action
- Add missing mux registers
- Mark ComputeCS read mode as UC on iGPU, unblocking ULLS on iGPU
i915:
- Relax clear color alignment to 64 bytes [fb]
v3d:
- Fix warn when unloading v3d
nouveau:
- Fix cross-device fence handling in nouveau
- Fix backlight regression for macbooks 5,1
vmwgfx:
- Fix BO reservation handling in vmwgfx"
* tag 'drm-fixes-2025-01-17' of https://gitlab.freedesktop.org/drm/kernel: (33 commits)
drm/xe: Mark ComputeCS read mode as UC on iGPU
drm/xe/oa: Add missing VISACTL mux registers
drm/xe: make change ccs_mode a synchronous action
drm/xe: introduce xe_gt_reset and xe_gt_wait_for_reset
drm/xe/guc: Adding steering info support for GuC register lists
drm/bridge: ite-it6263: Prevent error pointer dereference in probe()
drm/v3d: Ensure job pointer is set to NULL after job completion
drm/vmwgfx: Add new keep_resv BO param
drm/vmwgfx: Remove busy_places
drm/vmwgfx: Unreserve BO on error
drm/amdgpu: fix fw attestation for MP0_14_0_{2/3}
drm/amdgpu: always sync the GFX pipe on ctx switch
drm/amdgpu: disable gfxoff with the compute workload on gfx12
drm/amdgpu: Fix Circular Locking Dependency in AMDGPU GFX Isolation
drm/i915/fb: Relax clear color alignment to 64 bytes
drm/amd/display: Disable replay and psr while VRR is enabled
drm/amd/display: Fix PSR-SU not support but still call the amdgpu_dm_psr_enable
nouveau/fence: handle cross device fences properly
drm/tests: connector: Add ycbcr_420_allowed tests
drm/connector: hdmi: Validate supported_formats matches ycbcr_420_allowed
...
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Merge tag 'io_uring-6.13-20250116' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"One fix for the error handling in buffer cloning, and one fix for the
ring resizing.
Two minor followups for the latter as well.
Both of these issues only affect 6.13, so not marked for stable"
* tag 'io_uring-6.13-20250116' of git://git.kernel.dk/linux:
io_uring/register: cache old SQ/CQ head reading for copies
io_uring/register: document io_register_resize_rings() shared mem usage
io_uring/register: use stable SQ/CQ ring data during resize
io_uring/rsrc: fixup io_clone_buffers() error handling
