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2023-03-15drm: Track clients by tgid and not tidTvrtko Ursulin
Thread group id (aka pid from userspace point of view) is a more interesting thing to show as an owner of a DRM fd, so track and show that instead of the thread id. In the next patch we will make the owner updated post file descriptor handover, which will also be tgid based to avoid ping-pong when multiple threads access the fd. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Zack Rusin <zackr@vmware.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230314141904.1210824-2-tvrtko.ursulin@linux.intel.com
2023-02-23Merge tag 'mm-stable-2023-02-20-13-37' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - Daniel Verkamp has contributed a memfd series ("mm/memfd: add F_SEAL_EXEC") which permits the setting of the memfd execute bit at memfd creation time, with the option of sealing the state of the X bit. - Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset() thread-safe for pmd unshare") which addresses a rare race condition related to PMD unsharing. - Several folioification patch serieses from Matthew Wilcox, Vishal Moola, Sidhartha Kumar and Lorenzo Stoakes - Johannes Weiner has a series ("mm: push down lock_page_memcg()") which does perform some memcg maintenance and cleanup work. - SeongJae Park has added DAMOS filtering to DAMON, with the series "mm/damon/core: implement damos filter". These filters provide users with finer-grained control over DAMOS's actions. SeongJae has also done some DAMON cleanup work. - Kairui Song adds a series ("Clean up and fixes for swap"). - Vernon Yang contributed the series "Clean up and refinement for maple tree". - Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It adds to MGLRU an LRU of memcgs, to improve the scalability of global reclaim. - David Hildenbrand has added some userfaultfd cleanup work in the series "mm: uffd-wp + change_protection() cleanups". - Christoph Hellwig has removed the generic_writepages() library function in the series "remove generic_writepages". - Baolin Wang has performed some maintenance on the compaction code in his series "Some small improvements for compaction". - Sidhartha Kumar is doing some maintenance work on struct page in his series "Get rid of tail page fields". - David Hildenbrand contributed some cleanup, bugfixing and generalization of pte management and of pte debugging in his series "mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap PTEs". - Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation flag in the series "Discard __GFP_ATOMIC". - Sergey Senozhatsky has improved zsmalloc's memory utilization with his series "zsmalloc: make zspage chain size configurable". - Joey Gouly has added prctl() support for prohibiting the creation of writeable+executable mappings. The previous BPF-based approach had shortcomings. See "mm: In-kernel support for memory-deny-write-execute (MDWE)". - Waiman Long did some kmemleak cleanup and bugfixing in the series "mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF". - T.J. Alumbaugh has contributed some MGLRU cleanup work in his series "mm: multi-gen LRU: improve". - Jiaqi Yan has provided some enhancements to our memory error statistics reporting, mainly by presenting the statistics on a per-node basis. See the series "Introduce per NUMA node memory error statistics". - Mel Gorman has a second and hopefully final shot at fixing a CPU-hog regression in compaction via his series "Fix excessive CPU usage during compaction". - Christoph Hellwig does some vmalloc maintenance work in the series "cleanup vfree and vunmap". - Christoph Hellwig has removed block_device_operations.rw_page() in ths series "remove ->rw_page". - We get some maple_tree improvements and cleanups in Liam Howlett's series "VMA tree type safety and remove __vma_adjust()". - Suren Baghdasaryan has done some work on the maintainability of our vm_flags handling in the series "introduce vm_flags modifier functions". - Some pagemap cleanup and generalization work in Mike Rapoport's series "mm, arch: add generic implementation of pfn_valid() for FLATMEM" and "fixups for generic implementation of pfn_valid()" - Baoquan He has done some work to make /proc/vmallocinfo and /proc/kcore better represent the real state of things in his series "mm/vmalloc.c: allow vread() to read out vm_map_ram areas". - Jason Gunthorpe rationalized the GUP system's interface to the rest of the kernel in the series "Simplify the external interface for GUP". - SeongJae Park wishes to migrate people from DAMON's debugfs interface over to its sysfs interface. To support this, we'll temporarily be printing warnings when people use the debugfs interface. See the series "mm/damon: deprecate DAMON debugfs interface". - Andrey Konovalov provided the accurately named "lib/stackdepot: fixes and clean-ups" series. - Huang Ying has provided a dramatic reduction in migration's TLB flush IPI rates with the series "migrate_pages(): batch TLB flushing". - Arnd Bergmann has some objtool fixups in "objtool warning fixes". * tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (505 commits) include/linux/migrate.h: remove unneeded externs mm/memory_hotplug: cleanup return value handing in do_migrate_range() mm/uffd: fix comment in handling pte markers mm: change to return bool for isolate_movable_page() mm: hugetlb: change to return bool for isolate_hugetlb() mm: change to return bool for isolate_lru_page() mm: change to return bool for folio_isolate_lru() objtool: add UACCESS exceptions for __tsan_volatile_read/write kmsan: disable ftrace in kmsan core code kasan: mark addr_has_metadata __always_inline mm: memcontrol: rename memcg_kmem_enabled() sh: initialize max_mapnr m68k/nommu: add missing definition of ARCH_PFN_OFFSET mm: percpu: fix incorrect size in pcpu_obj_full_size() maple_tree: reduce stack usage with gcc-9 and earlier mm: page_alloc: call panic() when memoryless node allocation fails mm: multi-gen LRU: avoid futile retries migrate_pages: move THP/hugetlb migration support check to simplify code migrate_pages: batch flushing TLB migrate_pages: share more code between _unmap and _move ...
2023-02-09mm: replace vma->vm_flags direct modifications with modifier callsSuren Baghdasaryan
Replace direct modifications to vma->vm_flags with calls to modifier functions to be able to track flag changes and to keep vma locking correctness. [akpm@linux-foundation.org: fix drivers/misc/open-dice.c, per Hyeonggon Yoo] Link: https://lkml.kernel.org/r/20230126193752.297968-5-surenb@google.com Signed-off-by: Suren Baghdasaryan <surenb@google.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arjun Roy <arjunroy@google.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Howells <dhowells@redhat.com> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: David Rientjes <rientjes@google.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Greg Thelen <gthelen@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Joel Fernandes <joelaf@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: Laurent Dufour <ldufour@linux.ibm.com> Cc: Lorenzo Stoakes <lstoakes@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Minchan Kim <minchan@google.com> Cc: Paul E. McKenney <paulmck@kernel.org> Cc: Peter Oskolkov <posk@google.com> Cc: Peter Xu <peterx@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Punit Agrawal <punit.agrawal@bytedance.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shakeel Butt <shakeelb@google.com> Cc: Soheil Hassas Yeganeh <soheil@google.com> Cc: Song Liu <songliubraving@fb.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-16Merge tag 'amd-drm-next-6.3-2023-01-13' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-6.3-2023-01-13: amdgpu: - Fix possible segfault in failure case - Rework FW requests to happen in early_init for all IPs so that we don't lose the sbios console if FW is missing - PSR fixes - Misc cleanups - Unload fix - SMU13 fixes amdkfd: - Fix for cleared VRAM BOs - Fix cleanup if GPUVM creation fails - Memory accounting fix - Use resource_size rather than open codeing it - GC11 mGPU fix radeon: - Fix memory leak on shutdown Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230113225911.7776-1-alexander.deucher@amd.com
2023-01-09drm/amdgpu: clean up some inconsistent indentingsYang Li
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:65 amdgpu_gem_fault() warn: inconsistent indenting Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3639 Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-04Merge tag 'drm-misc-next-2023-01-03' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v6.3: UAPI Changes: * connector: Support analog-TV mode property * media: Add MEDIA_BUS_FMT_RGB565_1X24_CPADHI, MEDIA_BUS_FMT_RGB666_1X18 and MEDIA_BUS_FMT_RGB666_1X24_CPADHI Cross-subsystem Changes: * dma-buf: Documentation fixes * i2c: Introduce i2c_client_get_device_id() helper Core Changes: * Improve support for analog TV output * bridge: Remove unused drm_bridge_chain functions * debugfs: Add per-device helpers and convert various DRM drivers * dp-mst: Various fixes * fbdev emulation: Always pick 32 bpp as default * KUnit: Add tests for managed helpers; Various cleanups * panel-orientation: Add quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50 * TTM: Open-code ttm_bo_wait() and remove the helper Driver Changes: * Fix preferred depth and bpp values throughout DRM drivers * Remove #CONFIG_PM guards throughout DRM drivers * ast: Various fixes * bridge: Implement i2c's probe_new in various drivers; Fixes; ite-it6505: Locking fixes, Cache EDID data; ite-it66121: Support IT6610 chip, Cleanups; lontium-tl9611: Fix HDMI on DragonBoard 845c; parade-ps8640: Use atomic bridge functions * gud: Convert to DRM shadow-plane helpers; Perform flushing synchronously during atomic update * ili9486: Support 16-bit pixel data * imx: Split off IPUv3 driver; Various fixes * mipi-dbi: Convert to DRM shadow-plane helpers plus rsp driver changes;i Support separate I/O-voltage supply * mxsfb: Depend on ARCH_MXS or ARCH_MXC * omapdrm: Various fixes * panel: Use ktime_get_boottime() to measure power-down delay in various drivers; Fix auto-suspend delay in various drivers; orisetech-ota5601a: Add support * sprd: Cleanups * sun4i: Convert to new TV-mode property * tidss: Various fixes * v3d: Various fixes * vc4: Convert to new TV-mode property; Support Kunit tests; Cleanups; dpi: Support RGB565 and RGB666 formats; dsi: Convert DSI driver to bridge * virtio: Improve tracing * vkms: Support small cursors in IGT tests; Various fixes Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/Y7QIwlfElAYWxRcR@linux-uq9g
2022-12-23Merge tag 'drm-next-2022-12-23' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm fixes from Dave Airlie: "Holiday fixes! Two batches from amd, and one group of i915 changes. amdgpu: - Spelling fix - BO pin fix - Properly handle polaris 10/11 overlap asics - GMC9 fix - SR-IOV suspend fix - DCN 3.1.4 fix - KFD userptr locking fix - SMU13.x fixes - GDS/GWS/OA handling fix - Reserved VMID handling fixes - FRU EEPROM fix - BO validation fixes - Avoid large variable on the stack - S0ix fixes - SMU 13.x fixes - VCN fix - Add missing fence reference amdkfd: - Fix init vm error handling - Fix double release of compute pasid i915 - Documentation fixes - OA-perf related fix - VLV/CHV HDMI/DP audio fix - Display DDI/Transcoder fix - Migrate fixes" * tag 'drm-next-2022-12-23' of git://anongit.freedesktop.org/drm/drm: (39 commits) drm/amdgpu: grab extra fence reference for drm_sched_job_add_dependency drm/amdgpu: enable VCN DPG for GC IP v11.0.4 drm/amdgpu: skip mes self test after s0i3 resume for MES IP v11.0 drm/amd/pm: correct the fan speed retrieving in PWM for some SMU13 asics drm/amd/pm: bump SMU13.0.0 driver_if header to version 0x34 drm/amdgpu: skip MES for S0ix as well since it's part of GFX drm/amd/pm: avoid large variable on kernel stack drm/amdkfd: Fix double release compute pasid drm/amdkfd: Fix kfd_process_device_init_vm error handling drm/amd/pm: update SMU13.0.0 reported maximum shader clock drm/amd/pm: correct SMU13.0.0 pstate profiling clock settings drm/amd/pm: enable GPO dynamic control support for SMU13.0.7 drm/amd/pm: enable GPO dynamic control support for SMU13.0.0 drm/amdgpu: revert "generally allow over-commit during BO allocation" drm/amdgpu: Remove unnecessary domain argument drm/amdgpu: Fix size validation for non-exclusive domains (v4) drm/amdgpu: Check if fru_addr is not NULL (v2) drm/i915/ttm: consider CCS for backup objects drm/i915/migrate: fix corner case in CCS aux copying drm/amdgpu: rework reserved VMID handling ...
2022-12-14drm/amdgpu: revert "generally allow over-commit during BO allocation"Christian König
This reverts commit f9d00a4a8dc8fff951c97b3213f90d6bc7a72175. This causes problem for KFD because when we overcommit we accidentially bind the BO to GTT for moving it into VRAM. We also need to make sure that this is done only as fallback after trying to evict first. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-12-13Merge tag 'mm-stable-2022-12-13' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - More userfaultfs work from Peter Xu - Several convert-to-folios series from Sidhartha Kumar and Huang Ying - Some filemap cleanups from Vishal Moola - David Hildenbrand added the ability to selftest anon memory COW handling - Some cpuset simplifications from Liu Shixin - Addition of vmalloc tracing support by Uladzislau Rezki - Some pagecache folioifications and simplifications from Matthew Wilcox - A pagemap cleanup from Kefeng Wang: we have VM_ACCESS_FLAGS, so use it - Miguel Ojeda contributed some cleanups for our use of the __no_sanitize_thread__ gcc keyword. This series should have been in the non-MM tree, my bad - Naoya Horiguchi improved the interaction between memory poisoning and memory section removal for huge pages - DAMON cleanups and tuneups from SeongJae Park - Tony Luck fixed the handling of COW faults against poisoned pages - Peter Xu utilized the PTE marker code for handling swapin errors - Hugh Dickins reworked compound page mapcount handling, simplifying it and making it more efficient - Removal of the autonuma savedwrite infrastructure from Nadav Amit and David Hildenbrand - zram support for multiple compression streams from Sergey Senozhatsky - David Hildenbrand reworked the GUP code's R/O long-term pinning so that drivers no longer need to use the FOLL_FORCE workaround which didn't work very well anyway - Mel Gorman altered the page allocator so that local IRQs can remnain enabled during per-cpu page allocations - Vishal Moola removed the try_to_release_page() wrapper - Stefan Roesch added some per-BDI sysfs tunables which are used to prevent network block devices from dirtying excessive amounts of pagecache - David Hildenbrand did some cleanup and repair work on KSM COW breaking - Nhat Pham and Johannes Weiner have implemented writeback in zswap's zsmalloc backend - Brian Foster has fixed a longstanding corner-case oddity in file[map]_write_and_wait_range() - sparse-vmemmap changes for MIPS, LoongArch and NIOS2 from Feiyang Chen - Shiyang Ruan has done some work on fsdax, to make its reflink mode work better under xfstests. Better, but still not perfect - Christoph Hellwig has removed the .writepage() method from several filesystems. They only need .writepages() - Yosry Ahmed wrote a series which fixes the memcg reclaim target beancounting - David Hildenbrand has fixed some of our MM selftests for 32-bit machines - Many singleton patches, as usual * tag 'mm-stable-2022-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (313 commits) mm/hugetlb: set head flag before setting compound_order in __prep_compound_gigantic_folio mm: mmu_gather: allow more than one batch of delayed rmaps mm: fix typo in struct pglist_data code comment kmsan: fix memcpy tests mm: add cond_resched() in swapin_walk_pmd_entry() mm: do not show fs mm pc for VM_LOCKONFAULT pages selftests/vm: ksm_functional_tests: fixes for 32bit selftests/vm: cow: fix compile warning on 32bit selftests/vm: madv_populate: fix missing MADV_POPULATE_(READ|WRITE) definitions mm/gup_test: fix PIN_LONGTERM_TEST_READ with highmem mm,thp,rmap: fix races between updates of subpages_mapcount mm: memcg: fix swapcached stat accounting mm: add nodes= arg to memory.reclaim mm: disable top-tier fallback to reclaim on proactive reclaim selftests: cgroup: make sure reclaim target memcg is unprotected selftests: cgroup: refactor proactive reclaim code to reclaim_until() mm: memcg: fix stale protection of reclaim target memcg mm/mmap: properly unaccount memory on mas_preallocate() failure omfs: remove ->writepage jfs: remove ->writepage ...
2022-12-06drm/amdgpu: generally allow over-commit during BO allocationChristian König
We already fallback to a dummy BO with no backing store when we allocate GDS,GWS and OA resources and to GTT when we allocate VRAM. Drop all those workarounds and generalize this for GTT as well. This fixes ENOMEM issues with runaway applications which try to allocate/free GTT in a loop and are otherwise only limited by the CPU speed. The CS will wait for the cleanup of freed up BOs to satisfy the various domain specific limits and so effectively throttle those buggy applications down to a sane allocation behavior again. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-12-06drm/ttm: merge ttm_bo_api.h and ttm_bo_driver.h v2Christian König
Merge and cleanup the two headers into a single description of the object API. Also move all the documentation to the implementation and drop unnecessary includes from the header. No functional change. v2: minimal checkpatch.pl cleanup Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221125102137.1801-4-christian.koenig@amd.com
2022-11-17drm/amdgpu: rename the files for HMM handlingChristian König
Clean that up a bit, no functional change. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-11-17drm/amdgpu: fix userptr HMM range handling v2Christian König
The basic problem here is that it's not allowed to page fault while holding the reservation lock. So it can happen that multiple processes try to validate an userptr at the same time. Work around that by putting the HMM range object into the mutex protected bo list for now. v2: make sure range is set to NULL in case of an error Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> CC: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-11-17drm/amdgpu: always register an MMU notifier for userptrChristian König
Since switching to HMM we always need that because we no longer grab references to the pages. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> CC: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-11-08amdgpu: use VM_ACCESS_FLAGSKefeng Wang
Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS. Link: https://lkml.kernel.org/r/20221019034945.93081-6-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-26drm/amdgpu: add AMDGPU_VM_NOALLOC v2Christian König
Add the AMDGPU_VM_NOALLOC flag to let userspace control MALL allocation. v2: also add the flag to the allowed flags. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1) Reviewed-by: Marek Olšák <marek.olsak@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-26drm/amdgpu: add AMDGPU_GEM_CREATE_DISCARDABLEChristian König
Add a AMDGPU_GEM_CREATE_DISCARDABLE flag to note that the content of a BO doesn't needs to be preserved during eviction. KFD was already using a similar functionality for SVM BOs so replace the internal flag with the new UAPI. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-04-28Merge tag 'amd-drm-next-5.19-2022-04-15' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-5.19-2022-04-15: amdgpu: - USB-C updates - GPUVM updates - TMZ fixes for RV - DCN 3.1 pstate fixes - Display z state fixes - RAS fixes - Misc code cleanups and spelling fixes - More DC FP rework - GPUVM TLB handling rework - Power management sysfs code cleanup - Add RAS support for VCN - Backlight fix - Add unique id support for more asics - Misc display updates - SR-IOV fixes - Extend CG and PG flags to 64 bits - Enable VCN clk sysfs nodes for navi12 amdkfd: - Fix IO link cleanup during device removal - RAS fixes - Retry fault fixes - Asynchronously free events - SVM fixes radeon: - Drop some dead code - Misc code cleanups From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220415135144.5700-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie <airlied@redhat.com>
2022-04-07dma-buf: add enum dma_resv_usage v4Christian König
This change adds the dma_resv_usage enum and allows us to specify why a dma_resv object is queried for its containing fences. Additional to that a dma_resv_usage_rw() helper function is added to aid retrieving the fences for a read or write userspace submission. This is then deployed to the different query functions of the dma_resv object and all of their users. When the write paratermer was previously true we now use DMA_RESV_USAGE_WRITE and DMA_RESV_USAGE_READ otherwise. v2: add KERNEL/OTHER in separate patch v3: some kerneldoc suggestions by Daniel v4: some more kerneldoc suggestions by Daniel, fix missing cases lost in the rebase pointed out by Bas. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220407085946.744568-2-christian.koenig@amd.com
2022-03-25drm/amdgpu: remove table_freed param from the VM codeChristian König
Better to leave the decision when to flush the VM changes in the TLB to the VM code. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Philip Yang<Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-14Merge tag 'amd-drm-next-5.18-2022-02-11-1' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-5.18-2022-02-11-1: amdgpu: - Clean up of power management code - Enable freesync video mode by default - Clean up of RAS code - Improve VRAM access for debug using SDMA - Coding style cleanups - SR-IOV fixes - More display FP reorg - TLB flush fixes for Arcuturus, Vega20 - Misc display fixes - Rework special register access methods for SR-IOV - DP2 fixes - DP tunneling fixes - DSC fixes - More IP discovery cleanups - Misc RAS fixes - Enable both SMU i2c buses where applicable - s2idle improvements - DPCS header cleanup - Add new CAP firmware support for SR-IOV amdkfd: - Misc cleanups - SVM fixes - CRIU support - Clean up MQD manager UAPI: - Add interface to amdgpu CTX ioctl to request a stable power state for profiling https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/207 - Add amdkfd support for CRIU https://github.com/checkpoint-restore/criu/pull/1709 - Remove old unused amdkfd debugger interface Was only implemented for Kaveri and was only ever used by an old HSA tool that was never open sourced radeon: - Fix error handling in radeon_driver_open_kms - UVD suspend fix - Misc fixes From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220211220706.5803-1-alexander.deucher@amd.com
2022-02-07drm/amdgpu: rename amdgpu_vm_bo_rmv to _delChristian König
Some people complained about the name and this matches much more Linux naming conventions for object functions. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-01-19drm/amdgpu: remove excl as shared workaroundsChristian König
This was added because of the now dropped shared on excl dependency. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20211123142111.3885-15-christian.koenig@amd.com
2022-01-11Revert "drm/amdgpu: Don't inherit GEM object VMAs in child process"Rajneesh Bhardwaj
This reverts commit fbcdbfde87509d523132b59f661a355c731139d0. Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-12-28drm/amdgpu: Don't inherit GEM object VMAs in child processRajneesh Bhardwaj
When an application having open file access to a node forks, its shared mappings also get reflected in the address space of child process even though it cannot access them with the object permissions applied. With the existing permission checks on the gem objects, it might be reasonable to also create the VMAs with VM_DONTCOPY flag so a user space application doesn't need to explicitly call the madvise(addr, len, MADV_DONTFORK) system call to prevent the pages in the mapped range to appear in the address space of the child process. It also prevents the memory leaks due to additional reference counts on the mapped BOs in the child process that prevented freeing the memory in the parent for which we had worked around earlier in the user space inside the thunk library. Additionally, we faced this issue when using CRIU to checkpoint restore an application that had such inherited mappings in the child which confuse CRIU when it mmaps on restore. Having this flag set for the render node VMAs helps. VMAs mapped via KFD already take care of this so this is needed only for the render nodes. To limit the impact of the change to user space consumers such as OpenGL etc, limit it to KFD BOs only. Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: David Yat Sin <david.yatsin@amd.com> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-24drm/amdgpu: update the domain flags for dumb buffer creationEvan Quan
After switching to generic framebuffer framework, we rely on the ->dumb_create routine for frame buffer creation. However, the different domain flags used are not optimal. Add the contiguous flag to directly allocate the scanout BO as one linear buffer. Fixes: 087451f372bf76 ("drm/amdgpu: use generic fb helpers instead of setting up AMD own's.") Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17drm/amdgpu: use generic fb helpers instead of setting up AMD own's.Evan Quan
With the shadow buffer support from generic framebuffer emulation, it's possible now to have runpm kicked when no update for console. Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-05drm/ttm: remove ttm_bo_vm_insert_huge()Jason Gunthorpe
The huge page functionality in TTM does not work safely because PUD and PMD entries do not have a special bit. get_user_pages_fast() considers any page that passed pmd_huge() as usable: if (unlikely(pmd_trans_huge(pmd) || pmd_huge(pmd) || pmd_devmap(pmd))) { And vmf_insert_pfn_pmd_prot() unconditionally sets entry = pmd_mkhuge(pfn_t_pmd(pfn, prot)); eg on x86 the page will be _PAGE_PRESENT | PAGE_PSE. As such gup_huge_pmd() will try to deref a struct page: head = try_grab_compound_head(pmd_page(orig), refs, flags); and thus crash. Thomas further notices that the drivers are not expecting the struct page to be used by anything - in particular the refcount incr above will cause them to malfunction. Thus everything about this is not able to fully work correctly considering GUP_fast. Delete it entirely. It can return someday along with a proper PMD/PUD_SPECIAL bit in the page table itself to gate GUP_fast. Fixes: 314b6580adc5 ("drm/ttm, drm/vmwgfx: Support huge TTM pagefaults") Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Thomas Hellström <thomas.helllstrom@linux.intel.com> Reviewed-by: Christian König <christian.koenig@amd.com> [danvet: Update subject per Thomas' &Christian's review] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/0-v2-a44694790652+4ac-ttm_pmd_jgg@nvidia.com
2021-08-31drm/amdgpu: Fix a deadlock if previous GEM object allocation failsxinhui pan
Fall through to handle the error instead of return. Fixes: f8aab60422c37 ("drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs") Cc: stable@vger.kernel.org Signed-off-by: xinhui pan <xinhui.pan@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-25drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domainYifan Zhang
amdgpu_bo_get_preferred_pin_domain is used for page tables creation, which is not involved with page pinning. And it is used in more cases than display scanout, modify its documentation as well. Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-02Revert "Revert "drm/amdgpu: Add table_freed parameter to amdgpu_vm_bo_update""Eric Huang
This reverts commit 024d8811c90ed56d8b90cdcf71e51c9fedeff460. Revert reason: The issue has been resolved. Signed-off-by: Eric Huang <jinhuieric.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-07-26Backmerge tag 'v5.14-rc3' into drm-nextDave Airlie
Linux 5.14-rc3 Daniel said we should pull the nouveau fix from fixes in here, probably a good plan. Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-07-23Merge tag 'drm-misc-fixes-2021-07-22' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Short summary of fixes pull: * Return -ENOTTY for non-DRM ioctls * amdgpu: Fix COW checks * nouveau: init BO GME fields * panel: Avoid double free * ttm: Fix refcounting in ttm_global_init(); NULL checks * vc4: Fix interrupt handling Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YPlbkmH6S4VAHP9j@linux-uq9g.fritz.box
2021-07-21Merge tag 'drm-misc-next-2021-07-16' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.15: UAPI Changes: Cross-subsystem Changes: - udmabuf: Add support for mapping hugepages - Add dma-buf stats to sysfs. - Assorted fixes to fbdev/omap2. - dma-buf: Document DMA_BUF_IOCTL_SYNC - Improve dma-buf non-dynamic exporter expectations better. - Add module parameters for dma-buf size and list limit. - Add HDMI codec support to vc4, to replace vc4's own codec. - Document dma-buf implicit fencing rules. - dma_resv_test_signaled test_all handling. Core Changes: - Extract i915's eDP backlight code into DRM helpers. - Assorted docbook updates. - Rework drm_dp_aux documentation. - Add support for the DP aux bus. - Shrink dma-fence-chain slightly. - Add alloc/free helpers for dma-fence-chain. - Assorted fixes to TTM., drm/of, bridge - drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers. - Small fix for scheduler completion. - Remove use of drm_device.irq_enabled. - Print the driver name to dmesg when registering framebuffer. - Export drm/gem's shadow plane handling, and use it in vkms. - Assorted small fixes. Driver Changes: - Add eDP backlight to nouveau. - Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625, amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm. - Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU, EDT ETM0350G0DH6, Innolux EJ030NA panels. - Fix some simple pannels missing bus_format and connector types. - Add mks-guest-stats instrumentation support to vmwgfx. - Merge i915-ttm topic branch. - Make s6e63m0 panel use Mipi-DBI helpers. - Add detect() supoprt for AST. - Use interrupts for hotplug on vc4. - vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now. - vmwgfx now uses copies of vmware's internal device headers. - Slowly convert ti-sn65dsi83 over to atomic. - Rework amdgpu dma-resv handling. - Fix virtio fencing for planes. - Ensure amdgpu can always evict to SYSTEM. - Many drivers fixed for implicit fencing rules. - Set default prepare/cleanup fb for tiny, vram and simple helpers too. - Rework panfrost gpu reset and related serialization. - Update VKMS todo list. - Make bochs a tiny gpu driver, and use vram helper. - Use linux irq interfaces instead of drm_irq in some drivers. - Add support for Raspberry Pi Pico to GUD. Signed-off-by: Dave Airlie <airlied@redhat.com> # gpg: Signature made Fri 16 Jul 2021 21:06:04 AEST # gpg: using RSA key B97BD6A80CAC4981091AE547FE558C72A67013C3 # gpg: Good signature from "Maarten Lankhorst <maarten.lankhorst@linux.intel.com>" [expired] # gpg: aka "Maarten Lankhorst <maarten@debian.org>" [expired] # gpg: aka "Maarten Lankhorst <maarten.lankhorst@canonical.com>" [expired] # gpg: Note: This key has expired! # Primary key fingerprint: B97B D6A8 0CAC 4981 091A E547 FE55 8C72 A670 13C3 From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/444811c3-cbec-e9d5-9a6b-9632eda7962a@linux.intel.com
2021-07-16drm/amdgpu: workaround failed COW checks for Thunk VMAsFelix Kuehling
KFD Thunk maps invisible VRAM BOs with PROT_NONE, MAP_PRIVATE. is_cow_mapping returns true for these mappings, which causes mmap to fail in ttm_bo_mmap_obj. As a workaround, clear VM_MAYWRITE for PROT_NONE-COW mappings. This should prevent the mapping from ever becoming writable and makes is_cow_mapping(vm_flags) false. Fixes: f91142c62161 ("drm/ttm: nuke VM_MIXEDMAP on BO mappings v3") Suggested-by: Daniel Vetter <daniel.vetter@intel.com> Tested-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210715190537.585456-1-Felix.Kuehling@amd.com Signed-off-by: Christian König <christian.koenig@amd.com>
2021-07-13Revert "drm/amdgpu: Add table_freed parameter to amdgpu_vm_bo_update"Eric Huang
This reverts commit 075e8080c1a7571563171a07fa9ce47c4bc80044. Reason for revert: the related commit is reverted. Signed-off-by: Eric Huang <jinhuieric.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-06-22drm/amdgpu: rework dma_resv handling v3Christian König
Drop the workaround and instead implement a better solution. Basically we are now chaining all submissions using a dma_fence_chain container and adding them as exclusive fence to the dma_resv object. This way other drivers can still sync to the single exclusive fence while amdgpu only sync to fences from different processes. v3: add the shared fence first before the exclusive one Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210614174536.5188-2-christian.koenig@amd.com
2021-06-15drm/amdgpu: remove amdgpu_vm_ptNirmoy Das
Page table entries are now in embedded in VM BO, so we do not need struct amdgpu_vm_pt. This patch replaces struct amdgpu_vm_pt with struct amdgpu_vm_bo_base. Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-06-10Merge tag 'amd-drm-next-5.14-2021-06-09' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-5.14-2021-06-09: amdgpu: - SR-IOV fixes - Smartshift updates - GPUVM TLB flush updates - 16bpc fixed point display fix for DCE11 - BACO cleanups and core refactoring - Aldebaran updates - Initial Yellow Carp support - RAS fixes - PM API cleanup - DC visual confirm updates - DC DP MST fixes - DC DML fixes - Misc code cleanups and bug fixes amdkfd: - Initial Yellow Carp support radeon: - memcpy_to/from_io fixes UAPI: - Add Yellow Carp chip family id Used internally in the kernel driver and by mesa Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210610031649.4006-1-alexander.deucher@amd.com
2021-06-06dma-buf: drop the _rcu postfix on function names v3Christian König
The functions can be called both in _rcu context as well as while holding the lock. v2: add some kerneldoc as suggested by Daniel v3: fix indentation Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210602111714.212426-7-christian.koenig@amd.com
2021-06-06dma-buf: rename and cleanup dma_resv_get_excl v3Christian König
When the comment needs to state explicitly that this doesn't get a reference to the object then the function is named rather badly. Rename the function and use rcu_dereference_check(), this way it can be used from both rcu as well as lock protected critical sections. v2: improve kerneldoc as suggested by Daniel v3: use dma_resv_excl_fence as function name Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Link: https://patchwork.freedesktop.org/patch/msgid/20210602111714.212426-4-christian.koenig@amd.com
2021-06-04drm/amdgpu: Add table_freed parameter to amdgpu_vm_bo_updateEric Huang
It is to pass the flag to KFD, and optimize table_freed in amdgpu_vm_bo_update_mapping. Signed-off-by: Eric Huang <jinhuieric.huang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-05-26drm/amdgpu: Implement mmap as GEM object functionThomas Zimmermann
Moving the driver-specific mmap code into a GEM object function allows for using DRM helpers for various mmap callbacks. This change resolves several inconsistencies between regular mmap and prime-based mmap. The vm_ops field in vma is now set for all mmap'ed areas. Previously it way only set for regular mmap calls, prime-based mmap used TTM's default vm_ops. The function amdgpu_verify_access() is no longer being called and therefore removed by this patch. As a side effect, amdgpu_ttm_vm_ops and amdgpu_ttm_fault() are now implemented in amdgpu's GEM code. v4: * rebased v3: * rename mmap function to amdgpu_gem_object_mmap() (Christian) * remove unnecessary checks from mmap (Christian) v2: * rename amdgpu_ttm_vm_ops and amdgpu_ttm_fault() to amdgpu_gem_vm_ops and amdgpu_gem_fault() (Christian) * the check for kfd_bo has meanwhile been removed Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210525151055.8174-3-tzimmermann@suse.de
2021-04-26Merge drm/drm-next into drm-misc-nextMaxime Ripard
Christian needs some patches from drm/next Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2021-04-23drm/ttm: move the page_alignment into the BO v2Christian König
The alignment is a constant property and shouldn't change. v2: move documentation as well as suggested by Matthew. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210413135248.1266-4-christian.koenig@amd.com
2021-04-09drm/amdgpu: use amdgpu_bo_create_user() for when possibleNirmoy Das
Use amdgpu_bo_create_user() for all the BO allocations for ttm_bo_type_device type. v2: include amdgpu_amdkfd_alloc_gws() as well it calls amdgpu_bo_create() for ttm_bo_type_device Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09drm/amdgpu: allow variable BO struct creationNirmoy Das
Allow allocating BO structures with different structure size than struct amdgpu_bo. v2: Check bo_ptr_size in all amdgpu_bo_create() caller. Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-18drm/amdgpu: do not use drm middle layer for debugfsNirmoy Das
Use debugfs API directly instead of drm middle layer. This also includes following debugfs file output changes: 1 amdgpu_evict_vram/amdgpu_evict_gtt output will not contain any braces. e.g. (0) --> 0 2 amdgpu_gpu_recover output will print return value of amdgpu_device_gpu_recover() instead of not so important "gpu recover" message. v2: * checkpatch.pl: use '0444' instead of S_IRUGO. * remove S_IFREG from mode. * remove mode variable. Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-02drm/amdgpu: fix the issue that retry constantly once the buffer is oversizeHuang Rui
We cannot modify initial_domain every time while the retry starts. That will cause the busy waiting that unable to switch to GTT while the vram is not enough. Fixes: f8aab60422c3 ("drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs") Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-01-13drm/amdgpu: Remove references to struct drm_device.pdevThomas Zimmermann
Using struct drm_device.pdev is deprecated. Convert amdgpu to struct drm_device.dev. No functional changes. v3: * rebased Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210107080748.4768-3-tzimmermann@suse.de
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