Return early in submit path when the multi-queue primary exec
queue is suspended to avoid submitting while suspended.
v2: Remove idle_skip_suspend fix as that feature is being
reverted here https://patchwork.freedesktop.org/series/167262/
Fixes: bc5775c592 ("drm/xe/multi_queue: Add GuC interface for multi queue support")
Cc: stable@vger.kernel.org # v7.0+
Assisted-by: GitHub-Copilot:claude-sonnet-4.6
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Link: https://patch.msgid.link/20260603233946.863663-2-niranjana.vishwanathapura@intel.com
(cherry picked from commit b7fb55cc3364ca128cfff9d50649ffd4327cd01e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
In the schedule-disable done path for suspend, we
signal the suspend fence before clearing pending_disable.
That wakeup can let suspend_wait complete and resume be queued
immediately. The resume path may then reach enable_scheduling()
while pending_disable is still set and hit the
!exec_queue_pending_disable(q) assertion.
Fix this by clearing pending_disable before signaling
the suspend fence, so any resumed transition observes a
consistent state.
Fixes: 87651f31ae ("drm/xe/guc_submit: fix race around suspend_pending")
Cc: stable@vger.kernel.org # v7.0+
Signed-off-by: Tangudu Tilak Tirumalesh <tilak.tirumalesh.tangudu@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patch.msgid.link/20260603065217.3131066-3-tilak.tirumalesh.tangudu@intel.com
(cherry picked from commit 4b1ae138b0e103d753773956a84eebc2edbf62c4)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This reverts commit 8533051ce9.
The idle-skip optimization bypasses GuC suspend, so the GPU may not
perform the context switch that flushes TLB entries for invalidated
userptr VMAs. In LR/preempt-fence VM mode, this can lead to missed TLB
invalidation and page faults during userptr invalidation tests.
Restore unconditional schedule toggling on suspend so the context-switch
TLB flush is always performed.
This optimization will be reintroduced with a fix that does not skip
suspend in LR/preempt-fence VM mode.
Fixes: 8533051ce9 ("drm/xe: Skip exec queue schedule toggle if queue is idle during suspend")
Cc: stable@vger.kernel.org # v7.0+
Suggested-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Signed-off-by: Tangudu Tilak Tirumalesh <tilak.tirumalesh.tangudu@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patch.msgid.link/20260603065217.3131066-2-tilak.tirumalesh.tangudu@intel.com
(cherry picked from commit 6a1e7934d9a6cf46aecae00a99c2603d1295e170)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
In smu_v14_0_0_set_soft_freq_limited_range(), the gfxclk floor is
programmed via SetHardMinGfxClk together with SetSoftMaxGfxClk. Under
power_dpm_force_performance_level=high this pins HardMin to peak gfxclk.
In PMFW arbitration HardMin has higher priority than SoftMax, so the
firmware thermal/PPT throttler cannot clamp gfxclk via SoftMax once
HardMin is set to peak. Replace SetHardMinGfxClk with SetSoftMinGfxclk
so the driver still requests peak performance but the firmware
throttler retains the ability to clamp gfxclk under thermal/PPT
pressure. SoftMax handling is unchanged and no other clock domains
are affected.
Signed-off-by: Priya Hosur <Priya.Hosur@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3ea273267f)
Cc: stable@vger.kernel.org
When mapping VRAM pages into the GART page table,
amdgpu_gart_map_vram_range() assumes that the system page size is the
same as the GPU page size.
On systems with non-4K page sizes, multiple GPU pages can exist within
a single CPU page. As a result, the mappings are created incorrectly
because fewer page table entries are programmed than required.
Fix this by programming the mappings correctly for non-4K page size
systems.
Fixes: 237d623ae6 ("drm/amdgpu/gart: Add helper to bind VRAM pages (v2)")
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Donet Tom <donettom@linux.ibm.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit a8f0bc2238)
Cc: stable@vger.kernel.org
In case when queue_create fails and mqd has already been
allocated and hence wptr_obj is not cleaned up.
So moving that cleanup part to mqd_destroy so it takes
care of all the cases of clean up and during tear down of
the queue.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 43355f62cd)
Use find_next_zero_bit() to locate the next free seq slot bit
instead of the current walk, for more efficient bitmap scanning.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit ff905a9b62)
Mesa userqueues free does not wait for the free to complete and go ahead
in unmapping the vital bos while kernel is still in queue free and
corresponding cleanup.
So ideally we don't need the logging for that and hence remove the warn
message as this is expected behaviour and functionally, we are making
sure to wait for the required fences before unmap.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 758a868043)
The v11 MQD manager incorrectly assigned the CP-compute variants of
checkpoint_mqd/restore_mqd for KFD_MQD_TYPE_SDMA queues. These functions
use sizeof(struct v11_compute_mqd) (2048 bytes) instead of sizeof(struct
v11_sdma_mqd) (512 bytes), causing a 1536-byte overflow.
During CRIU checkpoint of an SDMA queue on Navi3x:
- checkpoint_mqd() reads 2048 bytes from a 512-byte SDMA MQD buffer,
leaking 1536 bytes of adjacent GTT memory to userspace
During CRIU restore:
- restore_mqd() writes 2048 bytes into a 512-byte SDMA MQD buffer,
corrupting 1536 bytes of adjacent GTT memory (often the ring buffer
or neighboring MQDs)
This is a copy-paste regression unique to v11. All other ASIC backends
(cik, vi, v9, v10, v12) correctly use the SDMA-specific variants.
Add checkpoint_mqd_sdma() and restore_mqd_sdma() functions that properly
handle the smaller v11_sdma_mqd structure, matching the pattern used in
other MQD managers.
Fixes: cc009e613d ("drm/amdkfd: Add KFD support for soc21 v3")
Assisted-by: Claude:Sonnet 4-5
Signed-off-by: Andrew Martin <andrew.martin@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6fa41db7ff)
Cc: stable@vger.kernel.org
When usr_queue_id_array is NULL and num_queues is non-zero,
get_queue_ids() returns NULL. The callers check only IS_ERR() on the
return value; since IS_ERR(NULL) == false the check passes, and
suspend_queues() calls q_array_invalidate() which immediately
dereferences NULL while iterating num_queues times.
Userspace can trigger this via kfd_ioctl_set_debug_trap() by supplying
num_queues > 0 with a zero queue_array_ptr, causing a kernel panic.
A NULL usr_queue_id_array with num_queues == 0 is a legitimate no-op
(q_array_invalidate never executes, and resume_queues already guards
all queue_ids dereferences behind a NULL check). Return ERR_PTR(-EINVAL)
only when num_queues is non-zero and the pointer is absent; both callers
already propagate IS_ERR() returns correctly to userspace.
Fixes: a70a93fa56 ("drm/amdkfd: add debug suspend and resume process queues operation")
Signed-off-by: Muhammad Bilal <meatuni001@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit f165a82cdf)
Cc: stable@vger.kernel.org
Problem:
While developing the amd_close_race IGT test (which intentionally triggers
execute permission faults by removing VM_PAGE_EXECUTABLE from GPU page table
entries), we discovered that on Navi10 (GFX 10.1.x) these faults produce
zero diagnostic output. The GPU simply hangs silently for ~10s until the
scheduler timeout fires. There is no way to distinguish an execute
permission fault from any other type of GPU hang.
Root cause:
GFX 10.1.x defaults to noretry=0, which sets
RETRY_PERMISSION_OR_INVALID_PAGE_FAULT=1 in the GFXHUB UTCL2 registers
(gfxhub_v2_0.c line 313). With this bit set, permission faults (valid PTE,
wrong R/W/X bits) are handled entirely within the UTCL1/UTCL2 hardware
loop: UTCL2 returns an XNACK to UTCL1, and UTCL1 re-requests the
translation indefinitely, expecting software to eventually fix the
permission bits (as happens in SVM/HMM recovery). No interrupt of any kind
reaches the IH ring.
This is different from invalid-page faults (V=0) which DO generate a retry
fault interrupt that the driver can escalate to a no-retry fault. Permission
faults with valid PTEs loop silently forever in hardware.
GFX 10.3+ already defaults to noretry=1, which makes permission faults
generate immediate L2 protection fault interrupts. GFX 10.1.x was
inadvertently left out of this default.
Fix:
Change the noretry=1 threshold from IP_VERSION(10, 3, 0) to
IP_VERSION(10, 1, 0) in amdgpu_gmc_noretry_set(). This is a one-line
change that aligns GFX 10.1.x behavior with GFX 10.3+ and all newer
generations.
With noretry=1, the existing non-retry fault handler
(gmc_v10_0_process_interrupt) already decodes and prints the full
GCVM_L2_PROTECTION_FAULT_STATUS register including PERMISSION_FAULTS,
faulting address, VMID, PASID, and process name. No additional logging
code is needed — the fix is purely routing permission faults to the
existing, fully-capable non-retry interrupt handler.
v2: Dropped GFX10-specific logging from gmc_v10_0.c and
kfd_int_process_v10.c (Felix Kuehling). v1 added logging in the retry
fault handler, but with noretry=1 permission faults take the non-retry
path — the v1 retry handler code was dead and would never execute.
Tested on Navi10 (GFX 10.1.10):
- Execute permission faults now produce immediate, clear output:
[gfxhub] page fault (src_id:0 ring:64 vmid:4 pasid:592)
Process amd_close_race pid 13380 thread amd_close_race pid 13384
in page at address 0x40001000 from client 0x1b (UTCL2)
GCVM_L2_PROTECTION_FAULT_STATUS:0x00700881
PERMISSION_FAULTS: 0x8
- No regressions with properly-mapped GPU workloads
Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit eb21edd24c)
Cc: stable@vger.kernel.org
When the fault stop mode isn't AMDGPU_VM_FAULT_STOP_ALWAYS,
these bits should be programmed to 0.
Program CRASH_ON_NO_RETRY_FAULT and CRASH_ON_RETRY_FAULT
always, to make sure to clear the bits when we don't want
to crash.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d0cd99e730)
Wait for all submissions when userptrs need to be invalidated by the MMU
notifier, not just the one the userptr was involved into.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Tested-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 91250893cb)
Cc: stable@vger.kernel.org
For PTE creation use asic specific physical page base address mask
v2: Change variable name from pa_mask to pte_addr_mask
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 2ea9898859)
SMU messages may use fewer arguments than the available argument registers,
the previous code only wrote used registers and left the rest unchanged,
so stale values from a prior message could persist.
Write all argument registers for each message and zero the unused tail
to keep command arguments deterministic and avoid unintended carry-over.
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit e03b635f61)
EnergyAccumulator is unsupported on SMU 14.0.2, mark it invalid.
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 646b05043e)
Cc: stable@vger.kernel.org
smu_v13_0_0_get_power_limit() and smu_v13_0_7_get_power_limit() mix
runtime power_limit with PP table limits when reporting default/min/max.
When current power limit query succeeds, default_power_limit was set to the
runtime value instead of the PP table default, and min/max could be derived
from inconsistent bases (MsgLimits/runtime), leading to incorrect cap info.
Use SocketPowerLimitAc/Dc as the PP default base (pp_limit), keep
current_power_limit as runtime value, and derive min/max from pp_limit with
OD percentages.
Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5227
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1eaf26db95)
Cc: stable@vger.kernel.org
On SMU v13.0.10, sending PrepareMp1ForUnload with the default
parameter may leave the device in an inaccessible state. This can
affect runtime power management and partial PnP flows.
e.g: kexec, driver unload, boco/d3cold.
Pass the required workaround parameter 0x55, when preparing MP1 for
unload on SMU v13.0.10, keep the existing behavior for other SMU
versions.
Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5133
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4e8ee1afee)
Cc: stable@vger.kernel.org
It seems that Pitcairn has the same issues as Tahiti
with regards to the TLB size. This commit fixes a
VCE1 FW validation timeout on suspend/resume on Pitcairn.
Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5336
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 629279e2e7)
If the driver only preempts queues, there can still be inflight waves,
pending dispatch state, or resume/redispatch possibility tied to the
same queue. Then the VM/TTM side may proceed to move/unmap queue related
BOs during evicting userq objects while shader TCP clients still need to
access them.
So for eviction, unmap is safer because it makes the queue nonrunnable
before memory backing is invalidated. Meanwhile, for a idle queue it's
more sutiable for unmapping it rather preempt and unmapping also can
save more processing time than preempt.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d87c9d8672)
Set the flag in the ring structure.
Fixes: 80d4d3a45b ("drm/amdgpu/sdma7.1: add support for disable_kq")
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit e0a3aa8a67)
wait_on_destroy_queue() drops locks to wait for queue resume, allowing
a concurrent destroy to free the queue. Use is_being_destroyed flag to
serialize destruction.
Reviewed-by: Amir Shetaia <Amir.Shetaia@amd.com>
Signed-off-by: Alysa Liu <Alysa.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit ac081deaf1)
[Why & How]
All record-chain walk loops in bios_parser.c and bios_parser2.c use
for(;;) and only terminate on a 0xFF record_type sentinel or zero
record_size. A malformed VBIOS image missing the terminator record
causes unbounded iteration at probe time, potentially hundreds of
thousands of iterations with record_size=1. In the final iterations
near the BIOS image boundary, struct casts beyond the 2-byte header
validated by GET_IMAGE can also read out of bounds.
Cap all 14 record-chain walk loops to BIOS_MAX_NUM_RECORD (256)
iterations. The atombios.h defines up to 22 distinct record types
and atomfirmware.h has 13. Assuming an average of less than 10
records per type (which is reasonable since most are connector-
based) 256 is a generous upper bound.
Fixes: 4562236b3b ("drm/amd/dc: Add dc display driver (v2)")
Assisted-by: Copilot:claude-opus-4.6 Mythos
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 95700a3d66)
Cc: stable@vger.kernel.org
[Why & How]
During HDCP 2.x repeater authentication over HDMI, the driver reads the
sink's RxStatus register and extracts a 10-bit message size field (max
value 1023). This value is used as the read length for the ReceiverID
list without being clamped to the size of the destination buffer
rx_id_list[177]. A malicious HDMI repeater could advertise a message
size larger than the buffer, causing an out-of-bounds write during the
I2C read.
Clamp the read length in mod_hdcp_read_rx_id_list() to the size of the
rx_id_list buffer, matching the approach already used in the DP branch.
Fixes: eff682f83c ("drm/amd/display: Add DDC handles for HDCP2.2")
Assisted-by: Copilot:claude-opus-4.6
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 229212219e)
Cc: stable@vger.kernel.org
[Why & How]
gpio_bitshift is a uint8_t read directly from the VBIOS GPIO pin table.
If the value is >= 32, the expression "1 << gpio_bitshift" triggers
undefined behaviour in C (shift count exceeds type width). On x86 the
shift is silently masked to 5 bits, producing an incorrect GPIO mask
that may cause wrong MMIO register bits to be toggled.
Validate gpio_bitshift before use and return BP_RESULT_BADBIOSTABLE for
out-of-range values.
Fixes: ae79c310b1 ("drm/amd/display: Add DCE12 bios parser support")
Assisted-by: Copilot:claude-opus-4.6
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit eadf438ab8)
Cc: stable@vger.kernel.org
[Why & How]
dal_vector_reserve() computes the allocation size as
"capacity * vector->struct_size" using uint32_t arithmetic, which can
silently wrap to a small value on overflow. This would cause krealloc to
return a smaller buffer than expected, leading to heap overflows on
subsequent vector appends.
Replace krealloc() with krealloc_array() which performs an internal
overflow check and returns NULL on wrap, preventing the issue.
Fixes: 2004f45ef8 ("drm/amd/display: Use kernel alloc/free")
Assisted-by: Copilot:claude-opus-4.6
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3766856864)
Cc: stable@vger.kernel.org
[Why & How]
dp_sdp_message_debugfs_write() dereferences connector->base.state->crtc
without checking for NULL. A connector can be connected but not bound to
any CRTC (e.g. after hot-plug before the next atomic commit), causing a
kernel crash when writing to the sdp_message debugfs node.
The function also ignores the user-provided size argument and always
passes 36 bytes to copy_from_user(), reading past the user buffer when
size < 36.
Fix both issues by:
- Returning -ENODEV when connector->base.state or state->crtc is NULL
- Clamping write_size to min(size, sizeof(data))
Fixes: c7ba3653e9 ("drm/amd/display: Generic SDP message access in amdgpu")
Assisted-by: Copilot:claude-opus-4.6
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6ab4c36a52)
Cc: stable@vger.kernel.org
[Why & How]
The VBIOS integrated info tables (v1_11 and v2_1) contain HdmiRegNum and
Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C
register settings into fixed-size arrays (dp*_ext_hdmi_reg_settings[9]
and dp*_ext_hdmi_6g_reg_settings[3]). These u8 fields are not validated
before use, so a malformed VBIOS can specify values up to 255, causing an
out-of-bounds heap write during driver probe.
Clamp each register count to the destination array size using min_t()
before the copy loops, in both get_integrated_info_v11() and
get_integrated_info_v2_1().
Assisted-by: GitHub Copilot:claude-opus-4.6
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 5a7f0ef901)
Cc: stable@vger.kernel.org
[Why & How]
The aux_rd_interval array in struct dc_lttpr_caps is declared with
MAX_REPEATER_CNT - 1 (7) elements, indexed 0..6. However, the offset
parameter passed to dp_get_eq_aux_rd_interval() can be as large as
MAX_REPEATER_CNT (8) when a sink reports 8 LTTPR repeaters via DPCD.
This leads to an out-of-bounds read of aux_rd_interval[7] when offset
is 8.
Fix this by growing aux_rd_interval to MAX_REPEATER_CNT elements to
accommodate the full range of valid repeater counts defined by the DP
spec.
Assisted-by: GitHub Copilot:Claude claude-4-opus
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit a55a458a8d)
Cc: stable@vger.kernel.org
DCE-based hardware does not have the CSC matrices for BT.2020, which
causes the driver to fallback to the GPU built-in matrices. This does
not appear to cause any issues for RGB sinks, but causes major color
artifacts for YCbCr ones (e.g. black becomes green).
This commit adds the missing CSC matrices (taken from DC common) to DCE
CSC tables, resolving the issue.
Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/3358
Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5333
Assisted-by: oh-my-pi:GPT-5.5
Signed-off-by: Leorize <leorize+oss@disroot.org>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 51e6668ab4)
Cc: stable@vger.kernel.org
This reverts commit 4e88de313f.
The early GuC FW definition meant for our CI branch was accidentally
merged to the drm-xe-next branch instead. This GuC FW will never be
released to linux-firmware, so we do not want the definition to be
available in the mainline Linux codebase.
Fixes: 4e88de313f ("drm/xe/nvls: Define GuC firmware for NVL-S")
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Julia Filipchuk <julia.filipchuk@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: stable@vger.kernel.org # v7.0+
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/20260529193558.185436-11-daniele.ceraolospurio@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 65b8e0ac86e48cfc9128c04dfc53ea3395d030dd)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
- Make the clearcpuid= boot parameter less prominent
and warn about its dangers & caveats (Borislav Petkov)
- Do not access the (new) PLATFORM_ID MSR when running as a guest
(Borislav Petkov)
- x86 ftrace: Relocate %rip-relative percpu refs in dynamic
trampolines, to fix crash when using such trampolines
(Alexis Lothoré)
- Fix x86-64 CFI build error (Peter Zijlstra)
- Revert FPU signal return magic number check optimization, because
it broke CRIU and gVisor in certain FPU configurations
(Andrei Vagin)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Make the clearcpuid= boot parameter less prominent
and warn about its dangers & caveats (Borislav Petkov)
- Do not access the (new) PLATFORM_ID MSR when running
as a guest (Borislav Petkov)
- x86 ftrace: Relocate %rip-relative percpu refs in dynamic
trampolines, to fix crash when using such trampolines
(Alexis Lothoré)
- Fix x86-64 CFI build error (Peter Zijlstra)
- Revert FPU signal return magic number check optimization,
because it broke CRIU and gVisor in certain FPU configurations
(Andrei Vagin)
* tag 'x86-urgent-2026-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "x86/fpu: Refine and simplify the magic number check during signal return"
x86/kvm/vmx: Fix x86_64 CFI build
x86/ftrace: Relocate %rip-relative percpu refs in dynamic trampolines
x86/microcode: Do not access MSR_IA32_PLATFORM_ID when running as a guest
Documentation/arch/x86: Hide clearcpuid=
Two core changes, the only one of significance being the change to kick queues
in SDEV_CANCEL which had a small window for stuck requests. The major driver
fixes are the one to the FC transport class to widen the FPIN counter to
counter a theoretical (and privileged) fabric traffic injection attack and the
other is an iscsi fix where a malicious target could trick the kernel into an
output buffer overrun. Both the driver fixes were AI assisted.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two core changes, the only one of significance being the change to
kick queues in SDEV_CANCEL which had a small window for stuck
requests.
The major driver fixes are the one to the FC transport class to widen
the FPIN counter to counter a theoretical (and privileged) fabric
traffic injection attack and the other is an iscsi fix where a
malicious target could trick the kernel into an output buffer overrun.
Both the driver fixes were AI assisted"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target: iscsi: Validate CHAP_R length before base64 decode
scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf
scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd()
scsi: fcoe: Reject FIP descriptors with zero fip_dlen in CVL walker
scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32
scsi: scsi_debug: Add missing newline in scsi_debug_device_reset()
scsi: megaraid_sas: Fix NULL pointer dereference on firmware duplicate completion
scsi: devinfo: Add BLIST_NO_RSOC for Promise VTrak E310f
scsi: core: Run queues for all non-SDEV_DEL devices from scsi_run_host_queues
davinci: fix fallback bus frequency on missing clock-frequency
virtio: mark device ready initially
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Merge tag 'i2c-for-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- davinci: fix fallback bus frequency on missing clock-frequency
- virtio: mark device ready initially
* tag 'i2c-for-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: virtio: mark device ready before registering the adapter
i2c: davinci: fix division by zero on missing clock-frequency
- updates to Elan I2C touchpad driver to handle a new IC type and to
validate size of supplied firmware to prevent OOB access
- updates to Xpad controller driver to recognize ASUS ROG RAIKIRI II and
"Nova 2 Lite" from GameSir controllers as well as a fix to prevent a
potential OOB access when handling "Share" button
- an update to Synaptics touchpad driver to use RMI mode for touchpad in
Thinkpad E490
- updates to Atmel MXT driver adding checks to prevent potential OOB
accesses
- a fix to IMS PCU driver to free correct amount of memory when
tearing it down
- a fixup to the recent change to Atlas buttons driver
- a small cleanup in fm801-fp for PCI IDs table initialisation
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Merge tag 'input-for-v7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- updates to Elan I2C touchpad driver to handle a new IC type and to
validate size of supplied firmware to prevent OOB access
- updates to Xpad controller driver to recognize ASUS ROG RAIKIRI II
and "Nova 2 Lite" from GameSir controllers as well as a fix to
prevent a potential OOB access when handling "Share" button
- an update to Synaptics touchpad driver to use RMI mode for touchpad
in Thinkpad E490
- updates to Atmel MXT driver adding checks to prevent potential OOB
accesses
- a fix to IMS PCU driver to free correct amount of memory when tearing
it down
- a fixup to the recent change to Atlas buttons driver
- a small cleanup in fm801-fp for PCI IDs table initialisation
* tag 'input-for-v7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ims-pcu - fix usb_free_coherent() size in ims_pcu_buffers_free()
Input: synaptics - add LEN2058 to SMBus passlist for ThinkPad E490
Input: atlas - check ACPI_COMPANION() against NULL
Input: atmel_mxt_ts - check mem_size before calculating config memory size
Input: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem
Input: fm801-gp - simplify initialisation of pci_device_id array
Input: xpad - add "Nova 2 Lite" from GameSir
Input: xpad - add support for ASUS ROG RAIKIRI II
Input: elan_i2c - validate firmware size before use
Input: xpad - fix out-of-bounds access for Share button
Input: usbtouchscreen - clamp NEXIO data_len/x_len to URB buffer size
Input: elan_i2c - increase device reset wait timeout after update FW
Input: elan_i2c - add ic type 0x19
* fix order calculation for kho_unpreserve_pages() to make sure sure that
the order calculation in kho_unpreserve_pages() mathes the order
calculation in kho_preserve_pages().
* fix math in calculation of KHO_TREE_MAX_DEPTH to make it work with 16KB
pages.
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Merge tag 'liveupdate-fixes-2026-05-30' of git://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux
Pull liveupdate fixes from Mike Rapoport:
"Two kexec handover regression fixes:
- fix order calculation for kho_unpreserve_pages() to make sure sure
that the order calculation in kho_unpreserve_pages() mathes the
order calculation in kho_preserve_pages().
- fix math in calculation of KHO_TREE_MAX_DEPTH to make it work with
16KB pages"
* tag 'liveupdate-fixes-2026-05-30' of git://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux:
kho: fix order calculation for kho_unpreserve_pages()
kho: fix KHO_TREE_MAX_DEPTH for non-4KB page sizes
After refactoring of memblock_free_late() and free_init_pages() it became
possible to call memblock_free() after memblock init data was discarded.
Make sure memblock_free() does not touch memblock.reserved unless it is
called early enough or when ARCH_KEEP_MEMBLOCK is enabled.
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Merge tag 'fixes-2026-05-30' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fix from Mike Rapoport:
"Fix regression from memblock_free_late() refactoring
After refactoring of memblock_free_late() and free_init_pages() it
became possible to call memblock_free() after memblock init data was
discarded.
Make sure memblock_free() does not touch memblock.reserved unless it
is called early enough or when ARCH_KEEP_MEMBLOCK is enabled"
* tag 'fixes-2026-05-30' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: don't touch memblock arrays when memblock_free() is called late
Commit eac69475b0 ("media: rc: igorplugusb: heed coherency
rules") changed the control request storage from an embedded struct to
an allocated pointer so it can obey DMA coherency rules.
However, the driver still passes &ir->request to usb_fill_control_urb().
That points the URB setup packet at the pointer field itself rather than
at the allocated struct usb_ctrlrequest.
USB core then interprets pointer bytes as the setup packet. This can
produce an invalid bRequestType and trigger the control direction warning
reported by syzbot:
usb 2-1: BOGUS control dir, pipe 80003580 doesn't match bRequestType 0
Pass ir->request itself as the setup packet.
Fixes: eac69475b0 ("media: rc: igorplugusb: heed coherency rules")
Reported-by: syzbot+11f0e4f957c7c3bf3d51@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=11f0e4f957c7c3bf3d51
Tested-by: syzbot+11f0e4f957c7c3bf3d51@syzkaller.appspotmail.com
Cc: stable@vger.kernel.org
Assisted-by: Codex:GPT-5.5
Signed-off-by: Henri A <contact@henrialfonso.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Here is a set of USB fixes and new device ids for 7.1-rc6. Nothing
major in here, just lots of tiny fixes for reported issues found by
users and some older patches found by some scanning tools. Included in
here are:
- typec fixes found by fuzzers that have decided to finally look at
that device interaction path (i.e. before a driver is bound to a
device).
- typec fixes for issues found by users
- thunderbolt driver fixes for reported problems
- cdns3 driver fixes
- dwc3 driver fixes
- new device quirks added
- usb serial driver fixes for broken devices
- other small driver fixes
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and Thunderbolt fixes from Greg KH:
"Here is a set of USB fixes and new device ids for 7.1-rc6. Nothing
major in here, just lots of tiny fixes for reported issues found by
users and some older patches found by some scanning tools. Included in
here are:
- typec fixes found by fuzzers that have decided to finally look at
that device interaction path (i.e. before a driver is bound to a
device)
- typec fixes for issues found by users
- thunderbolt driver fixes for reported problems
- cdns3 driver fixes
- dwc3 driver fixes
- new device quirks added
- usb serial driver fixes for broken devices
- other small driver fixes
All of these have been in linux-next for over a week with no reported
issues"
* tag 'usb-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (54 commits)
USB: serial: cypress_m8: validate interrupt packet headers
USB: serial: safe_serial: fix memory corruption with small endpoint
USB: serial: omninet: fix memory corruption with small endpoint
USB: serial: mxuport: fix memory corruption with small endpoint
USB: serial: cypress_m8: fix memory corruption with small endpoint
USB: cdc-acm: Fix bit overlap and move quirk definitions to header
usb: dwc2: Fix use after free in debug code
usb: chipidea: core: convert ci_role_switch to local variable
usb: gadget: f_fs: serialize DMABUF cancel against request completion
usb: gadget: f_fs: copy only received bytes on short ep0 read
usb: gadget: dummy_hcd: Reject hub port requests for non-existent ports
dt-bindings: usb: Fix EIC7700 USB reset's issue
usbip: vudc: Fix use after free bug in vudc_remove due to race condition
dt-bindings: usb: ti,omap4-musb: Drop duplicate 'usb-phy' property constraints
usb: storage: Add quirks for PNY Elite Portable SSD
USB: quirks: add NO_LPM for Lenovo ThinkPad USB-C Dock Gen2 hub controllers
usb: usbtmc: reject interrupt endpoints with small wMaxPacketSize
usb: usbtmc: check URB actual_length for interrupt-IN notifications
xhci: tegra: Fix ghost USB device on dual-role port unplug
usb: gadget: uvc: hold opts->lock across XU walks in uvc_function_bind
...
Here are some small serial driver fixes for 7.1-rc6. Included in here
are:
- mips serial driver fixes to resolve some long-standing issues with
how they interacted with the console. That's the "majority" of the
changes in this merge request
- sh-sci driver regression fix
- 8250 driver regression fixes
- other small serial driver fixes for reported problems.
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small serial driver fixes for 7.1-rc6. Included in here
are:
- mips serial driver fixes to resolve some long-standing issues with
how they interacted with the console. That's the "majority" of the
changes in this merge request
- sh-sci driver regression fix
- 8250 driver regression fixes
- other small serial driver fixes for reported problems.
All of these have been in linux-next for over a week with no reported
issues"
* tag 'tty-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: dz: Enable modular build
serial: zs: Convert to use a platform device
serial: dz: Convert to use a platform device
serial: zs: Switch to using channel reset
serial: zs: Fix bootconsole handover lockup
serial: dz: Fix bootconsole handover lockup
serial: dz: Fix bootconsole message clobbering at chip reset
serial: 8250_dw: dispatch SysRq character in dw8250_handle_irq()
serial: 8250: dispatch SysRq character in serial8250_handle_irq()
serial: core: introduce guard(uart_port_lock_check_sysrq_irqsave)
tty: serial: samsung: Remove redundant port lock acquisition in rx helpers
serial: altera_jtaguart: handle uart_add_one_port() failures
serial: qcom_geni: fix kfifo underflow when flush precedes DMA completion IRQ
serial: fsl_lpuart: fix rx buffer and DMA map leaks in start_rx_dma
tty: add missing tty_driver include to tty_port.h
serial: qcom-geni: fix UART_RX_PAR_EN bit position
serial: sh-sci: fix memory region release in error path
tty: serial: pch_uart: add check for dma_alloc_coherent()
serial: zs: Fix swapped RI/DSR modem line transition counting
Here are some small char/misc/iio driver fixes for 7.1-rc6. Included in
here are:
- lots of small IIO driver fixes for reported problems.
- Android binder bugfixes for reported issues.
- small comedi test driver fixes
- counter driver fix
- parport driver fix (people still use this?)
- rpi driver fix
- uio driver fix
All of these have been in linux-next for over a week with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/iio fixes from Greg KH:
"Here are some small char/misc/iio driver fixes for 7.1-rc6. Included
in here are:
- lots of small IIO driver fixes for reported problems.
- Android binder bugfixes for reported issues.
- small comedi test driver fixes
- counter driver fix
- parport driver fix (people still use this?)
- rpi driver fix
- uio driver fix
All of these have been in linux-next for over a week with no reported
problems"
* tag 'char-misc-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (41 commits)
Revert "gpib: cb7210: Fix region leak when request_irq fails"
misc: rp1: Send IACK on IRQ activate to fix kdump/kexec
gpib: cb7210: Fix region leak when request_irq fails
parport: Fix race between port and client registration
uio: uio_pci_generic_sva: fix double free of devm_kzalloc() memory
rust_binder: Avoid holding lock when dropping delivered_death
rust_binder: avoid calling pending_oneway_finished() on TF_UPDATE_TXN
comedi: comedi_test: fix check for valid scan_begin_src in waveform_ai_cmdtest()
comedi: comedi_test: Fix limiting of convert_arg in waveform_ai_cmdtest()
iio: adc: viperboard: Fix error handling in vprbrd_iio_read_raw
iio: gyro: itg3200: fix i2c read into the wrong stack location
iio: dac: ad5686: fix powerdown control on dual-channel devices
iio: dac: ad5686: acquire lock when doing powerdown control
iio: temperature: tsys01: fix broken PROM checksum validation
iio: dac: ad3530r: Fix AD3531/AD3531R powerdown mode strings
iio: buffer: hw-consumer: fix use-after-free in error path
iio: dac: ad5686: fix input raw value check
iio: dac: ad5686: fix ref bit initialization for single-channel parts
iio: ssp_sensors: cancel delayed work_refresh on remove
iio: adc: meson-saradc: fix calibration buffer leak on error
...
virtio_i2c_probe() synchronously probes child i2c drivers on the bus,
but peripherals may use the bus at probe for tasks like reading a chip
id. The vhost-user-i2c backend stalls at such probes unless DRIVER_OK
is already set before the virtqueue is first kicked.
Set DRIVER_OK explicitly before i2c_add_adapter(), as done for the
same reason in commit f5866db64f ("virtio_console: enable VQs
early") and commit 71e4b8bf04 ("virtio_rpmsg: set DRIVER_OK before
using device").
Signed-off-by: Alexis Bouzigues <BouziguesAlexis@JohnDeere.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
davinci: fix fallback bus frequency on missing clock-frequency
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Merge tag 'i2c-host-fixes-7.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v7.1-rc6
davinci: fix fallback bus frequency on missing clock-frequency
