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32 hoursMerge tag 'mm-nonmm-stable-2026-02-12-10-48' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull non-MM updates from Andrew Morton: - "ocfs2: give ocfs2 the ability to reclaim suballocator free bg" saves disk space by teaching ocfs2 to reclaim suballocator block group space (Heming Zhao) - "Add ARRAY_END(), and use it to fix off-by-one bugs" adds the ARRAY_END() macro and uses it in various places (Alejandro Colomar) - "vmcoreinfo: support VMCOREINFO_BYTES larger than PAGE_SIZE" makes the vmcore code future-safe, if VMCOREINFO_BYTES ever exceeds the page size (Pnina Feder) - "kallsyms: Prevent invalid access when showing module buildid" cleans up kallsyms code related to module buildid and fixes an invalid access crash when printing backtraces (Petr Mladek) - "Address page fault in ima_restore_measurement_list()" fixes a kexec-related crash that can occur when booting the second-stage kernel on x86 (Harshit Mogalapalli) - "kho: ABI headers and Documentation updates" updates the kexec handover ABI documentation (Mike Rapoport) - "Align atomic storage" adds the __aligned attribute to atomic_t and atomic64_t definitions to get natural alignment of both types on csky, m68k, microblaze, nios2, openrisc and sh (Finn Thain) - "kho: clean up page initialization logic" simplifies the page initialization logic in kho_restore_page() (Pratyush Yadav) - "Unload linux/kernel.h" moves several things out of kernel.h and into more appropriate places (Yury Norov) - "don't abuse task_struct.group_leader" removes the usage of ->group_leader when it is "obviously unnecessary" (Oleg Nesterov) - "list private v2 & luo flb" adds some infrastructure improvements to the live update orchestrator (Pasha Tatashin) * tag 'mm-nonmm-stable-2026-02-12-10-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (107 commits) watchdog/hardlockup: simplify perf event probe and remove per-cpu dependency procfs: fix missing RCU protection when reading real_parent in do_task_stat() watchdog/softlockup: fix sample ring index wrap in need_counting_irqs() kcsan, compiler_types: avoid duplicate type issues in BPF Type Format kho: fix doc for kho_restore_pages() tests/liveupdate: add in-kernel liveupdate test liveupdate: luo_flb: introduce File-Lifecycle-Bound global state liveupdate: luo_file: Use private list list: add kunit test for private list primitives list: add primitives for private list manipulations delayacct: fix uapi timespec64 definition panic: add panic_force_cpu= parameter to redirect panic to a specific CPU netclassid: use thread_group_leader(p) in update_classid_task() RDMA/umem: don't abuse current->group_leader drm/pan*: don't abuse current->group_leader drm/amd: kill the outdated "Only the pthreads threading model is supported" checks drm/amdgpu: don't abuse current->group_leader android/binder: use same_thread_group(proc->tsk, current) in binder_mmap() android/binder: don't abuse current->group_leader kho: skip memoryless NUMA nodes when reserving scratch areas ...
2 daysMerge tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds
Pull drm updates from Dave Airlie: "Highlights: - amdgpu support for lots of new IP blocks which means newer GPUs - xe has a lot of SR-IOV and SVM improvements - lots of intel display refactoring across i915/xe - msm has more support for gen8 platforms - Given up on kgdb/kms integration, it's too hard on modern hw core: - drop kgdb support - replace system workqueue with percpu - account for property blobs in memcg - MAINTAINERS updates for xe + buddy rust: - Fix documentation for Registration constructors - Use pin_init::zeroed() for fops initialization - Annotate DRM helpers with __rust_helper - Improve safety documentation for gem::Object::new() - Update AlwaysRefCounted imports - mm: Prevent integer overflow in page_align() atomic: - add drm_device pointer to drm_private_obj - introduce gamma/degamma LUT size check buddy: - fix free_trees memory leak - prevent BUG_ON bridge: - introduce drm_bridge_unplug/enter/exit - add connector argument to .hpd_notify - lots of recounting conversions - convert rockchip inno hdmi to bridge - lontium-lt9611uxc: switch to HDMI audio helpers - dw-hdmi-qp: add support for HPD-less setups - Algoltek AG6311 support panels: - edp: CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H - st75751: add SPI support - Sitronix ST7920, Samsung LTL106HL02 - LG LH546WF1-ED01, HannStar HSD156J - BOE NV130WUM-T08 - Innolux G150XGE-L05 - Anbernic RG-DS dma-buf: - improve sg_table debugging - add tracepoints - call clear_page instead of memset - start to introduce cgroup memory accounting in heaps - remove sysfs stats dma-fence: - add new helpers dp: - mst: avoid oob access with vcpi=0 hdmi: - limit infoframes exposure to userspace gem: - reduce page table overhead with THP - fix leak in drm_gem_get_unmapped_area gpuvm: - API sanitation for rust bindings sched: - introduce new helpers panic: - report invalid panic modes - add kunit tests i915/xe display: - Expose sharpness only if num_scalers is >= 2 - Add initial Xe3P_LPD for NVL - BMG FBC support - Add MTL+ platforms to support dpll framework _ fix DIMM_S DRM decoding on ICL - Return to using AUX interrupts - PSR/Panel replay refactoring - use consolidation HDMI tables - Xe3_LPD CD2X dividier changes xe: - vfio: add vfio_pci for intel GPU - multi queue support - dynamic pagemaps and multi-device SVM - expose temp attribs in hwmon - NO_COMPRESSION bo flag - expose MERT OA unit - sysfs survivability refactor - SRIOV PF: add MERT support - enable SR-IOV VF migration - Enable I2C/NVM on Crescent Island - Xe3p page reclaimation support - introduce SRIOV scheduler groups - add SoC remappt support in system controller - insert compiler barriers in GuC code - define NVL GuC firmware - handle GT resume failure - fix drm scheduler layering violations - enable GSC loading and PXP for PTL - disable GuC Power DCC strategy on PTL - unregister drm device on probe error i915: - move to kernel standard fault injection - bump recommended GuC version for DG2 and MTL amdgpu: - SMUIO 15.x, PSP 15.x support - IH 6.1.1/7.1 support - MMHUB 3.4/4.2 support - GC 11.5.4/12.1 support - SDMA 6.1.4/7.1/7.11.4 support - JPEG 5.3 support - UserQ updates - GC 9 gfx queue reset support - TTM memory ops parallelization - convert legacy logging to new helpers - DC analog fixes amdkfd: - GC 11.5.4/12.1 suppport - SDMA 6.1.4/7.1 support - per context support - increase kfd process hash table - Reserved SDMA rework radeon: - convert legacy logging to new helpers - use devm for i2c adapters msm: - GPU - Document a612/RGMU dt bindings - UBWC 6.0 support (for A840 / Kaanapali) - a225 support - DPU: - Switch to use virtual planes by default - Fix DSI CMD panels on DPU 3.x - Rewrite format handling to remove intermediate representation - Fix watchdog on DPU 8.x+ - Fix TE / Vsync source setting on DPU 8.x+ - Add 3D_Mux on SC7280 - Kaanapali platform support - Fix UBWC register programming - Make RM reserve DSPP-enabled mixers for CRTCs with LMs - Gamma correction support - DP: - Enable support for eDP 1.4+ link rate tables - Fix MDSS1 DP indices on SA8775P, making them to work - Fix msm_dp_ctrl_config_msa() to work with LLVM 20 - DSI: - Document QCS8300 as compatible with SA8775P - Kaanapali platform support - DSI PHY: - switch to divider_determine_rate() - MDP5: - Drop support for MSM8998, SDM660 and SDM630 (switch over to DPU) - MDSS: - Kaanapali platform support - Fixed UBWC register programming nova-core: - Prepare for Turing support. This includes parsing and handling Turing-specific firmware headers and sections as well as a Turing Falcon HAL implementation - Get rid of the Result<impl PinInit<T, E>> anti-pattern - Relocate initializer-specific code into the appropriate initializer - Use CStr::from_bytes_until_nul() to remove custom helpers - Improve handling of unexpected firmware values - Clean up redundant debug prints - Replace c_str!() with native Rust C-string literals - Update nova-core task list nova: - Align GEM object size to system page size tyr: - Use generated uAPI bindings for GpuInfo - Replace manual sleeps with read_poll_timeout() - Replace c_str!() with native Rust C-string literals - Suppress warnings for unread fields - Fix incorrect register name in print statement nouveau: - fix big page table support races in PTE management - improve reclocking on tegra 186+ amdxdna: - fix suspend race conditions - improve handling of zero tail pointers - fix cu_idx overwritten during command setup - enable hardware context priority - remove NPU2 support - update message buffer allocation requirements - update firmware version check ast: - support imported cursor buffers - big endian fixes etnaviv: - add PPU flop reset support imagination: - add AM62P support - introduce hw version checks ivpu: - implement warm boot flow panfrost: - add bo sync ioctl - add GPU_PM_RT support for RZ/G3E SoC panthor: - add bo sync ioctl - enable timestamp propagation - scheduler robustness improvements - VM termination fixes - huge page support rockchip: - RK3368 HDMI Support - get rid of atomic_check fixups - RK3506 support - RK3576/RK3588 improved HPD handling rz-du: - RZ/V2H(P) MIPI-DSI Support v3d: - fix DMA segment size - convert to new logging helpers mediatek: - move DP training to hotplug thread - convert logging to new helpers - add support for HS speed DSI - Genio 510/700/1200-EVK, Radxa NIO-12L HDMI support atmel-hlcdc: - switch to drmm resource - support nomodeset - use newer helpers hisilicon: - fix various DP bugs renesas: - fix kernel panic on reboot exynos: - fix vidi_connection_ioctl using wrong device - fix vidi_connection deref user ptr - fix concurrency regression with vidi_context vkms: - add configfs support for display configuration * tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel: (1610 commits) drm/xe/pm: Disable D3Cold for BMG only on specific platforms drm/xe: Fix kerneldoc for xe_tlb_inval_job_alloc_dep drm/xe: Fix kerneldoc for xe_gt_tlb_inval_init_early drm/xe: Fix kerneldoc for xe_migrate_exec_queue drm/xe/query: Fix topology query pointer advance drm/xe/guc: Fix kernel-doc warning in GuC scheduler ABI header drm/xe/guc: Fix CFI violation in debugfs access. accel/amdxdna: Move RPM resume into job run function accel/amdxdna: Fix incorrect DPM level after suspend/resume nouveau/vmm: start tracking if the LPT PTE is valid. (v6) nouveau/vmm: increase size of vmm pte tracker struct to u32 (v2) nouveau/vmm: rewrite pte tracker using a struct and bitfields. accel/amdxdna: Fix incorrect error code returned for failed chain command accel/amdxdna: Remove hardware context status drm/bridge: imx8qxp-pixel-combiner: Fix bailout for imx8qxp_pc_bridge_probe() drm/panel: ilitek-ili9882t: Remove duplicate initializers in tianma_il79900a_dsc drm/i915/display: fix the pixel normalization handling for xe3p_lpd drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free drm/exynos: vidi: fix to avoid directly dereferencing user pointer drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl() ...
11 daysdrm/amd: kill the outdated "Only the pthreads threading model is supported" ↵Oleg Nesterov
checks Nowadays task->group_leader->mm != task->mm is only possible if a) task is not a group leader and b) task->group_leader->mm == NULL because task->group_leader has already exited using sys_exit(). I don't think that drm/amd tries to detect/nack this case. Link: https://lkml.kernel.org/r/aXY_yLVHd63UlWtm@redhat.com Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Christan König <christian.koenig@amd.com> Acked-by: Felix Kuehling <felix.kuehling@amd.com> Cc: Alice Ryhl <aliceryhl@google.com> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: David S. Miller <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Leon Romanovsky <leon@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Simon Horman <horms@kernel.org> Cc: Steven Price <steven.price@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-01-29Merge tag 'mm-hotfixes-stable-2026-01-29-09-41' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "16 hotfixes. 9 are cc:stable, 12 are for MM. There's a patch series from Pratyush Yadav which fixes a few things in the new-in-6.19 LUO memfd code. Plus the usual shower of singletons - please see the changelogs for details" * tag 'mm-hotfixes-stable-2026-01-29-09-41' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: vmcoreinfo: make hwerr_data visible for debugging mm/zone_device: reinitialize large zone device private folios mm/mm_init: don't cond_resched() in deferred_init_memmap_chunk() if called from deferred_grow_zone() mm/kfence: randomize the freelist on initialization kho: kho_preserve_vmalloc(): don't return 0 when ENOMEM kho: init alloc tags when restoring pages from reserved memory mm: memfd_luo: restore and free memfd_luo_ser on failure mm: memfd_luo: use memfd_alloc_file() instead of shmem_file_setup() memfd: export alloc_file() flex_proportions: make fprop_new_period() hardirq safe mailmap: add entry for Viacheslav Bocharov mm/memory-failure: teach kill_accessing_process to accept hugetlb tail page pfn mm/memory-failure: fix missing ->mf_stats count in hugetlb poison mm, swap: restore swap_space attr aviod kernel panic mm/kasan: fix KASAN poisoning in vrealloc() mm/shmem, swap: fix race of truncate and swap entry split
2026-01-29drm/amdkfd: Use AMDGPU_MQD_SIZE_ALIGN in gfx11+ kfd mqd managerLang Yu
MES is enabled by default from gfx11+, use AMDGPU_MQD_SIZE_ALIGN unconditionally for gfx11+. Signed-off-by: Lang Yu <lang.yu@amd.com> Reviewed-by: David Belanger <david.belanger@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Mukul Joshi <mukul.joshi@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-29drm/amdkfd: Adjust parameter of allocate_mqdLang Yu
Make allocate_mqd consistent with other callbacks. Prepare for next patch to use mqd_manager->mqd_size. Signed-off-by: Lang Yu <lang.yu@amd.com> Reviewed-by: David Belanger <david.belanger@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Mukul Joshi <mukul.joshi@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-28drm/amdkfd: gfx12.1 trap handler instruction fixup for VOP3PXJay Cornwall
A trap may occur in the middle of VOP3PX instruction co-issue. The PC would be restored incorrectly if left unmodified. Identify this case by examining the instruction opcode and rewind the PC 8 bytes if it occurs. Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> Reviewed-by: Lancelot Six <lancelot.six@amd.com> Reviewed-by: Vladimir Indic <vladimir.indic@amd.com> Cc: Shweta Khatri <shweta.khatri@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-27drm/amdkfd: add extended capabilities to device snapshotJonathan Kim
Add additional capabilities reporting. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: James Zhu <james.zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-26mm/zone_device: reinitialize large zone device private foliosMatthew Brost
Reinitialize metadata for large zone device private folios in zone_device_page_init prior to creating a higher-order zone device private folio. This step is necessary when the folio's order changes dynamically between zone_device_page_init calls to avoid building a corrupt folio. As part of the metadata reinitialization, the dev_pagemap must be passed in from the caller because the pgmap stored in the folio page may have been overwritten with a compound head. Without this fix, individual pages could have invalid pgmap fields and flags (with PG_locked being notably problematic) due to prior different order allocations, which can, and will, result in kernel crashes. Link: https://lkml.kernel.org/r/20260116111325.1736137-2-francois.dugast@intel.com Fixes: d245f9b4ab80 ("mm/zone_device: support large zone device private folios") Signed-off-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Francois Dugast <francois.dugast@intel.com> Acked-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Balbir Singh <balbirs@nvidia.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Zi Yan <ziy@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: David Airlie <airlied@gmail.com> Cc: Simona Vetter <simona@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Lyude Paul <lyude@redhat.com> Cc: Danilo Krummrich <dakr@kernel.org> Cc: David Hildenbrand <david@kernel.org> Cc: Oscar Salvador <osalvador@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Leon Romanovsky <leon@kernel.org> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-01-21drm/amdkfd: simplify svm_range_unmap_from_gpus()Yury Norov
The function calls bitmap_or() followed by for_each_set_bit(). Switch it to the dedicated for_each_or_bit() and drop the temporary bitmap. Signed-off-by: Yury Norov <ynorov@nvidia.com> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-21drm/amdkfd: Do not include VGPR MSBs in saved PC during saveLancelot Six
The current trap handler uses the top bits of ttmp1 to store a copy of sq_wave_mode.*vgpr_msb (except for src2_vgpr_msb). This is so the effective values in sq_wave_mode can be cleared to ensure correct behavior of the trap handler. When saving sq_wave_mode, the trap handler correctly rebuilds the expected value (with *vgpr_msb restored), so the save area is correct. However, the PC itself is copied from ttmp[0:1], which contains the wave's PC as well as the saved MSBs. The debugger reads the PC from the save area and is confused when non-0 values from VGPR_MSBs are present. This patch fixes this by saving the PC in the save area's PC slot, not the composite of the PC and VGPR_MSBs. On restore, the VGPR_MSBs are restored from sq_wave_mode. Signed-off-by: Lancelot Six <lancelot.six@amd.com> Tested-by: Alexey Kondratiev <Alexey.Kondratiev@amd.com> Reviewed-by: Jay Cornwall <jay.cornwall@amd.com> Cc: Vladimir Indic <vladimir.indic@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-21drm/amdkfd: gfx12.1 trap handler support for expert scheduling modeJay Cornwall
- Leave DEP_MODE unchanged as it is ignored in the trap handler - Save/restore SCHED_MODE (gfx12.0 saves in ttmp11) Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> Reviewed-by: Lancelot Six <lancelot.six@amd.com> Cc: Vladimir Indic <vladimir.indic@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-21drm/amdkfd: gfx12.1 cluster barrier context save workaroundJay Cornwall
Trap cluster barrier may not serialize with user cluster barrier under some circumstances. Add a check for pending user cluster barrier complete. Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> Tested-by: Gang Ba <Gang.Ba@amd.com> Cc: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Reviewed-by: Lancelot Six <lancelot.six@amd.com> Cc: Vladimir Indic <vladimir.indic@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-21drm/amdkfd: Fix scalar load ordering in gfx12.1 trap handlerJay Cornwall
Scalar loads may arrive out-of-order with respect to KMCNT. The affected code expects the two loads to arrive in-order. Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> Reviewed-by: Lancelot Six <lancelot.six@amd.com> Cc: Joseph Greathouse <joseph.greathouse@amd.com> Cc: Vladimir Indic <vladimir.indic@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-21drm/amdkfd: Sync trap handler binary with sourceJay Cornwall
Binary and source desynced during branch activity. Source merge also introduced compile error. Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> Reviewed-by: Lancelot Six <lancelot.six@amd.com> Cc: Vladimir Indic <vladimir.indic@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdkfd: fix gfx11 restrictions on debugging cooperative launchJonathan Kim
Restrictions on debugging cooperative launch for GFX11 devices should align to CWSR work around requirements. i.e. devices without the need for the work around should not be subject to such restrictions. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: James Zhu <james.zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 230ef3977d6ffdd498ffa9baa6f5a061786189bf)
2026-01-20drm/amdkfd: fix gfx11 restrictions on debugging cooperative launchJonathan Kim
Restrictions on debugging cooperative launch for GFX11 devices should align to CWSR work around requirements. i.e. devices without the need for the work around should not be subject to such restrictions. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: James Zhu <james.zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-20drm/amdkfd: Move gfx9.4.3 and gfx 9.5 MQD to HBMPhilip Yang
To reduce queue switch latency further, move MQD to VRAM domain, CP access MQD and control stack via FB aperture, this requires contiguous pages. After MQD is initialized, updated or restored, flush HDP to guarantee the data is written to HBM and GPU cache is invalidated, then CP will read the new MQD. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-19Merge tag 'amd-drm-next-6.20-2026-01-16' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-6.20-2026-01-16: amdgpu: - SR-IOV fixes - Rework SMU mailbox handling - Drop MMIO_REMAP domain - UserQ fixes - MES cleanups - Panel Replay updates - HDMI fixes - Backlight fixes - SMU 14.x fixes - SMU 15 updates amdkfd: - Fix a memory leak - Fixes for systems with non-4K pages - LDS/Scratch cleanup - MES process eviction fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patch.msgid.link/20260116202609.23107-1-alexander.deucher@amd.com
2026-01-15Merge tag 'amd-drm-next-6.20-2026-01-09' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-6.20-2026-01-09: amdgpu: - GPUVM updates - Initial support for larger GPU address spaces - Initial SMUIO 15.x support - Documentation updates - Initial PSP 15.x support - Initial IH 7.1 support - Initial IH 6.1.1 support - SMU 13.0.12 updates - RAS updates - Initial MMHUB 3.4 support - Initial MMHUB 4.2 support - Initial GC 12.1 support - Initial GC 11.5.4 support - HDMI fixes - Panel replay improvements - DML updates - DC FP fixes - Initial SDMA 6.1.4 support - Initial SDMA 7.1 support - Userq updates - DC HPD refactor - SwSMU cleanups and refactoring - TTM memory ops parallelization - DCN 3.5 fixes - DP audio fixes - Clang fixes - Misc spelling fixes and cleanups - Initial SDMA 7.11.4 support - Convert legacy DRM logging helpers to new drm logging helpers - Initial JPEG 5.3 support - Add support for changing UMA size via the driver - DC analog fixes - GC 9 gfx queue reset support - Initial SMU 15.x support amdkfd: - Reserved SDMA rework - Refactor SPM - Initial GC 12.1 support - Initial GC 11.5.4 support - Initial SDMA 7.1 support - Initial SDMA 6.1.4 support - Increase the kfd process hash table - Per context support - Topology fixes radeon: - Convert legacy DRM logging helpers to new drm logging helpers - Use devm for i2c adapters - Variable sized array fix - Misc cleanups UAPI: - KFD context support. Proposed userspace: https://github.com/ROCm/rocm-systems/pull/1705 https://github.com/ROCm/rocm-systems/pull/1701 - Add userq metadata queries for more queue types. Proposed userspace: https://gitlab.freedesktop.org/yogeshmohan/mesa/-/commits/userq_query From: Alex Deucher <alexander.deucher@amd.com> Link: https://patch.msgid.link/20260109154713.3242957-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie <airlied@redhat.com>
2026-01-14drm/amdkfd: No need to suspend whole MES to evict processHarish Kasiviswanathan
Each queue of the process is individually removed and there is not need to suspend whole mes. Suspending mes stops kernel mode queues also causing unnecessary timeouts when running mixed work loads Fixes: 079ae5118e1f ("drm/amdkfd: fix suspend/resume all calls in mes based eviction path") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4765 Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 3fd20580b96a6e9da65b94ac3b58ee288239b731)
2026-01-14drm/amdkfd: fix a memory leak in device_queue_manager_init()Haoxiang Li
If dqm->ops.initialize() fails, add deallocate_hiq_sdma_mqd() to release the memory allocated by allocate_hiq_sdma_mqd(). Move deallocate_hiq_sdma_mqd() up to ensure proper function visibility at the point of use. Fixes: 11614c36bc8f ("drm/amdkfd: Allocate MQD trunk for HIQ and SDMA") Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Oak Zeng <Oak.Zeng@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit b7cccc8286bb9919a0952c812872da1dcfe9d390) Cc: stable@vger.kernel.org
2026-01-14drm/amdkfd: Add domain parameter to alloc kernel BOPhilip Yang
To allocate kernel BO from VRAM domain for MQD in the following patch. No functional change because kernel BO allocate all from GTT domain. Rename amdgpu_amdkfd_alloc_gtt_mem to amdgpu_amdkfd_alloc_kernel_mem Rename amdgpu_amdkfd_free_gtt_mem to amdgpu_amdkfd_free_kernel_mem Rename mem_kfd_mem_obj gtt_mem to mem Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Kent Russell <kent.russell@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-14drm/amdkfd: No need to suspend whole MES to evict processHarish Kasiviswanathan
Each queue of the process is individually removed and there is not need to suspend whole mes. Suspending mes stops kernel mode queues also causing unnecessary timeouts when running mixed work loads Fixes: 079ae5118e1f ("drm/amdkfd: fix suspend/resume all calls in mes based eviction path") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4765 Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-14drm/amdkfd: Switch to using GC VERSION to decide LDS/Scratch baseLang Yu
Next generation GC IP with 4-level page table needs to use the same LDS/Scratch base with 5-level page table, use GC VERSION to decide is more appropriate. Signed-off-by: Lang Yu <lang.yu@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-14drm/amdkfd: kfd driver supports hot unplug/replug amdgpu devicesXiaogang Chen
This patch allows kfd driver function correctly when AMD gpu devices got unplug/replug at run time. When an AMD gpu device got unplug kfd driver gracefully terminates existing kfd processes after stops all queues by sending SIGBUS to user process. After that user space can still use remaining AMD gpu devices. When all AMD gpu devices at system got removed kfd driver will not response new requests. Unplugged AMD gpu devices can be re-plugged. kfd driver will use added devices to function as usual. The purpose of this patch is having kfd driver behavior as expected during and after AMD gpu devices unplug/replug at run time. Signed-off-by: Xiaogang Chen <Xiaogang.Chen@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-14drm/amdkfd: Fix GART PTE for non-4K pagesize in svm_migrate_gart_map()Donet Tom
In svm_migrate_gart_map(), while migrating GART mapping, the number of bytes copied for the GART table only accounts for CPU pages. On non-4K systems, each CPU page can contain multiple GPU pages, and the GART requires one 8-byte PTE per GPU page. As a result, an incorrect size was passed to the DMA, causing only a partial update of the GART table. Fix this function to work correctly on non-4K page-size systems by accounting for the number of GPU pages per CPU page when calculating the number of bytes to be copied. Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Philip Yang <Philip.Yang@amd.com> Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-14drm/amdkfd: Fix SVM map/unmap address conversion for non-4k page sizesDonet Tom
SVM range size is tracked using the system page size. The range start and end are aligned to system page-sized PFNs, so the total SVM range size equals the total number of pages in the SVM range multiplied by the system page size. The SVM range map/unmap functions pass these system page-sized PFN numbers to amdgpu_vm_update_range(), which expects PFNs based on the GPU page size (4K). On non-4K page systems, this mismatch causes only part of the SVM range to be mapped in the GPU page table, while the rest remains unmapped. If the GPU accesses an unmapped address within the same range, it results in a GPU page fault. To fix this, the required conversion has been added in both svm_range_map_to_gpu() and svm_range_unmap_from_gpu(), ensuring that all pages in the SVM range are correctly mapped on non-4K systems. Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Philip Yang <Philip.Yang@amd.com> Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-14drm/amdkfd: Relax size checking during queue buffer getDonet Tom
HW-supported EOP buffer sizes are 4K and 32K. On systems that do not use 4K pages, the minimum buffer object (BO) allocation size is PAGE_SIZE (for example, 64K). During queue buffer acquisition, the driver currently checks the allocated BO size against the supported EOP buffer size. Since the allocated BO is larger than the expected size, this check fails, preventing queue creation. Relax the strict size validation and allow PAGE_SIZE-sized BOs to be used. Only the required 4K region of the buffer will be used as the EOP buffer and avoids queue creation failures on non-4K page systems. Acked-by: Christian König <christian.koenig@amd.com> Suggested-by: Philip Yang <yangp@amd.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-10drm/amdkfd: fix a memory leak in device_queue_manager_init()Haoxiang Li
If dqm->ops.initialize() fails, add deallocate_hiq_sdma_mqd() to release the memory allocated by allocate_hiq_sdma_mqd(). Move deallocate_hiq_sdma_mqd() up to ensure proper function visibility at the point of use. Fixes: 11614c36bc8f ("drm/amdkfd: Allocate MQD trunk for HIQ and SDMA") Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Oak Zeng <Oak.Zeng@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: update outdated commentJulia Lawall
The function acquire_packet_buffer() was renamed kq_acquire_packet_buffer() by commit a5a4d68c9326 ("drm/amdkfd: Eliminate unnecessary kernel queue function pointers"). Update the comment accordingly. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Apply VGPR bank state fixup on gfx12.1 trap exitJay Cornwall
- Identify co-issue of S_SET_VGPR_MSB and VALU with banked VGPR - Restore previous bank setting when exiting the trap v2: - Refine VOP3PX2 detection - Improve load pipelining - Fix a comment typo Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> Reviewed-by: Lancelot Six <lancelot.six@amd.com> Cc: Joseph Greathouse <joseph.greathouse@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Fix VGPR bank state save in gfx12.1 trap handlerJay Cornwall
S_SETREG_IMM32_B32 does not apply a mask to the MODE bank bits. SRC2 is consequently unconditonally cleared during context save. Use S_SETREG_B32 instead to preserve SRC2. Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> Reviewed-by: Lancelot Six <lancelot.six@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Add metadata ring buffer for computeDavid Yat Sin
Add support for separate ring-buffer for metadata packets when using compute queues. Userspace application allocate the metadata ring-buffer and the queue ring-buffer with a single allocation. The metadata ring-buffer starts after the queue ring-buffer. Signed-off-by: David Yat Sin <David.YatSin@amd.com> Reviewed-by: Philip Yang <Philip.Yang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Add back CWSR trap handler for GFX 12.1Mukul Joshi
CWSR Trap handler for GFX 12.1 was missed when merging changes from 6.14 NPI branch to 6.16 NPI branch. This change adds back the CWSR trap handler for GFX 12.1. Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Alex Sierra <alex.sierra@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: enable precise memory operations for gfx1250Jonathan Kim
Enable precise memory for GFX 1250. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: Mukul Joshi <mukul.joshi@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Implement CU Masking for GFX 12.1Mukul Joshi
Add CU masking implementation for GFX 12.1. Add a local implementation for GFX 12.1 instead of using the generic function defined in kfd_mqd_manager.c because of some quirks in the way CU mask is handled on GFX 12.1. Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Alex Sierra <alex.sierra@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Add gfx_v12_1_kfd2kgd interface for GFX12_1Likun Gao
Create new kfd2kgd interface for gfx v12_1, based on gfx v12. Support register program accoding to xcc id. V2: Fix SDMA register address for muti-xcc. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Mukul Joshi <mukul.joshi@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Correct the topology message for APUsMario Limonciello (AMD)
At bootup on a Strix machine the following message comes up: ``` amdgpu: Topology: Add dGPU node [0x150e:0x1002] ``` This is an APU though. Clarify the messaging by only offer a "CPU node" or "GPU node" message. Also set the message as VID:DID instead which is how other messages work. Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org> Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Fix signal_eviction_fence() bool return valueSrinivasan Shanmugam
signal_eviction_fence() is declared to return bool, but returns -EINVAL when no eviction fence is present. This makes the "no fence" or "the NULL-fence" path evaluate to true and triggers a Smatch warning. v2: Return true instead to explicitly indicate that there is no eviction fence to signal and that eviction is already complete. This matches the existing caller logic where a NULL fence means "nothing to do" and allows restore handling to proceed normally. (Christian) Fixes the below: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:2099 signal_eviction_fence() warn: '(-22)' is not bool drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c 2090 static bool signal_eviction_fence(struct kfd_process *p) ^^^^ 2091 { 2092 struct dma_fence *ef; 2093 bool ret; 2094 2095 rcu_read_lock(); 2096 ef = dma_fence_get_rcu_safe(&p->ef); 2097 rcu_read_unlock(); 2098 if (!ef) --> 2099 return -EINVAL; This should be either true or false. Probably true because presumably it has been tested? 2100 2101 ret = dma_fence_check_and_signal(ef); 2102 dma_fence_put(ef); 2103 2104 return ret; 2105 } Fixes: 37865e02e6cc ("drm/amdkfd: Fix eviction fence handling") Reported by: Dan Carpenter <dan.carpenter@linaro.org> Cc: Philip Yang <Philip.Yang@amd.com> Cc: Gang BA <Gang.Ba@amd.com> Cc: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdgpu: add support for SDMA IP version 6.1.4Tim Huang
This initializes SDMA IP version 6.1.4. Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Tim Huang <tim.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdgpu: add support for GC IP version 11.5.4Tim Huang
This initializes GC IP version 11.5.4. v2: squash in RLC offset fix Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Tim Huang <tim.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Send MES packets on correct XCC on GFX 12.1Mukul Joshi
Send the Set_Shader_Debugger packet on the correct MES pipe when partition mode is set to non-SPX mode. Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Alex Sierra <alex.sierra@amd.com> Reviewed-by: Michael Chen <michael.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Add/remove queues on the correct XCC on GFX 12.1Mukul Joshi
On GFX 12.1, pass the xcc id of the master XCC to choose the correct MES Pipe to send the add_queue/remove_queue requests to MES. Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Alex Sierra <alex.sierra@amd.com> Reviewed-by: Michael Chen <michael.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Don't partition VMID space on GFX 12.1Mukul Joshi
There is no need to partition VMID space on GFX 12.1 when operating in CPX mode as SDMA is not sharing MMHUB on GFX 12.1. Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Alex Sierra <alex.sierra@amd.com> Reviewed-by: Michael Chen <michael.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Add SDMA queue quantum support for GFX12.1Gang Ba
program SDMAx_QUEUEx_SCHEDULE_CNTL for context switch due to quantum in KFD for GFX12.1 Signed-off-by: Gang Ba <Gang.Ba@amd.com> Reviewed-by: Amber Lin <Amber.Lin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Set SDMA_QUEUEx_IB_CNTL/SWITCH_INSIDE_IBGang Ba
When submitting MQD to CP, set SDMA_QUEUEx_IB_CNTL/SWITCH_INSIDE_IB bit so it'll allow SDMA preemption if there is a massive command buffer of long-running SDMA commands. Signed-off-by: Gang Ba <Gang.Ba@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-01-05drm/amdkfd: Fix a couple of spelling mistakesColin Ian King
There are a couple of spelling mistakes, one in a pr_warn message and one in a seq_printf message. Fix these. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-12-26Merge tag 'drm-misc-next-2025-12-12' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/misc/kernel into drm-next drm-misc-next for 6.19: UAPI Changes: - panfrost: Add PANFROST_BO_SYNC ioctl - panthor: Add PANTHOR_BO_SYNC ioctl Core Changes: - atomic: Add drm_device pointer to drm_private_obj - bridge: Introduce drm_bridge_unplug, drm_bridge_enter, and drm_bridge_exit - dma-buf: Improve sg_table debugging - dma-fence: Add new helpers, and use them when needed - dp_mst: Avoid out-of-bounds access with VCPI==0 - gem: Reduce page table overhead with transparent huge pages - panic: Report invalid panic modes - sched: Add TODO entries - ttm: Various cleanups - vblank: Various refactoring and cleanups - Kconfig cleanups - Removed support for kdb Driver Changes: - amdxdna: Fix race conditions at suspend, Improve handling of zero tail pointers, Fix cu_idx being overwritten during command setup - ast: Support imported cursor buffers - - panthor: Enable timestamp propagation, Multiple improvements and fixes to improve the overall robustness, notably of the scheduler. - panels: - panel-edp: Support for CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H Signed-off-by: Dave Airlie <airlied@redhat.com> [airlied: fix mm conflict] From: Maxime Ripard <mripard@redhat.com> Link: https://patch.msgid.link/20251212-spectacular-agama-of-abracadabra-aaef32@penduick
2025-12-16drm/amdkfd: Fix improper NULL termination of queue restore SMI event stringBrian Kocoloski
Pass character "0" rather than NULL terminator to properly format queue restoration SMI events. Currently, the NULL terminator precedes the newline character that is intended to delineate separate events in the SMI event buffer, which can break userspace parsers. Signed-off-by: Brian Kocoloski <brian.kocoloski@amd.com> Reviewed-by: Philip Yang <Philip.Yang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 6e7143e5e6e21f9d5572e0390f7089e6d53edf3c)
generated by cgit v1.2.3 (git 2.46.0) at 2026-02-14 04:39:28 +0000