linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c, branch v6.17

Merge drm/drm-fixes into drm-misc-fixes

2025-08-20T14:08:49Z

Update drm-misc-fixes to -rc2. Signed-off-by: Maxime Ripard

Revert "drm/amdgpu: Use dma_buf from GEM object instance"

2025-08-13T09:14:17Z

This reverts commit 515986100d176663d0a03219a3056e4252f729e6. The dma_buf field in struct drm_gem_object is not stable over the object instance's lifetime. The field becomes NULL when user space releases the final GEM handle on the buffer object. This resulted in a NULL-pointer deref. Workarounds in commit 5307dce878d4 ("drm/gem: Acquire references on GEM handles for framebuffers") and commit f6bfc9afc751 ("drm/framebuffer: Acquire internal references on GEM handles") only solved the problem partially. They especially don't work for buffer objects without a DRM framebuffer associated. Hence, this revert to going back to using .import_attach->dmabuf. Signed-off-by: Thomas Zimmermann Reviewed-by: Simona Vetter Acked-by: Alex Deucher Link: https://lore.kernel.org/r/20250715082635.34974-1-tzimmermann@suse.de

drm/amdgpu: fix task hang from failed job submission during process kill

2025-08-12T20:16:36Z

During process kill, drm_sched_entity_flush() will kill the vm entities. The following job submissions of this process will fail, and the resources of these jobs have not been released, nor have the fences been signalled, causing tasks to hang and timeout. Fix by check entity status in amdgpu_vm_ready() and avoid submit jobs to stopped entity. v2: add amdgpu_vm_ready() check before amdgpu_vm_clear_freed() in function amdgpu_cs_vm_handling(). Fixes: 1f02f2044bda ("drm/amdgpu: Avoid extra evict-restore process.") Signed-off-by: Liu01 Tong Signed-off-by: Lin.Cao Reviewed-by: Christian König Signed-off-by: Alex Deucher (cherry picked from commit f101c13a8720c73e67f8f9d511fbbeda95bcedb1)

drm/amdgpu: Avoid extra evict-restore process.

2025-07-28T20:25:19Z

If vm belongs to another process, this is fclose after fork, wait may enable signaling KFD eviction fence and cause parent process queue evicted. [677852.634569] amdkfd_fence_enable_signaling+0x56/0x70 [amdgpu] [677852.634814] __dma_fence_enable_signaling+0x3e/0xe0 [677852.634820] dma_fence_wait_timeout+0x3a/0x140 [677852.634825] amddma_resv_wait_timeout+0x7f/0xf0 [amdkcl] [677852.634831] amdgpu_vm_wait_idle+0x2d/0x60 [amdgpu] [677852.635026] amdgpu_flush+0x34/0x50 [amdgpu] [677852.635208] filp_flush+0x38/0x90 [677852.635213] filp_close+0x14/0x30 [677852.635216] do_close_on_exec+0xdd/0x130 [677852.635221] begin_new_exec+0x1da/0x490 [677852.635225] load_elf_binary+0x307/0xea0 [677852.635231] ? srso_alias_return_thunk+0x5/0xfbef5 [677852.635235] ? ima_bprm_check+0xa2/0xd0 [677852.635240] search_binary_handler+0xda/0x260 [677852.635245] exec_binprm+0x58/0x1a0 [677852.635249] bprm_execve.part.0+0x16f/0x210 [677852.635254] bprm_execve+0x45/0x80 [677852.635257] do_execveat_common.isra.0+0x190/0x200 Suggested-by: Christian König Signed-off-by: Gang Ba Reviewed-by: Christian König Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org

drm/amdgpu: track ring state associated with a fence

2025-07-16T20:14:11Z

We need to know the wptr and sequence number associated with a fence so that we can re-emit the unprocessed state after a ring reset. Pre-allocate storage space for the ring buffer contents and add helpers to save off and re-emit the unprocessed state so that it can be re-emitted after the queue is reset. Reviewed-by: Christian König Signed-off-by: Alex Deucher

Merge tag 'amd-drm-next-6.17-2025-07-01' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

2025-07-04T00:06:29Z

amd-drm-next-6.17-2025-07-01: amdgpu: - FAMS2 fixes - OLED fixes - Misc cleanups - AUX fixes - DMCUB updates - SR-IOV hibernation support - RAS updates - DP tunneling fixes - DML2 fixes - Backlight improvements - Suspend improvements - Use scaling for non-native modes on eDP - SDMA 4.4.x fixes - PCIe DPM fixes - SDMA 5.x fixes - Cleaner shader updates for GC 9.x - Remove fence slab - ISP genpd support - Parition handling rework - SDMA FW checks for userq support - Add missing firmware declaration - Fix leak in amdgpu_ctx_mgr_entity_fini() - Freesync fix - Ring reset refactoring - Legacy dpm verbosity changes amdkfd: - GWS fix - mtype fix for ext coherent system memory - MMU notifier fix - gfx7/8 fix radeon: - CS validation support for additional GL extensions - Bump driver version for new CS validation checks From: Alex Deucher Link: https://lore.kernel.org/r/20250701194707.32905-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie

drm/amdgpu: Use dma_buf from GEM object instance

2025-06-30T15:55:16Z

Avoid dereferencing struct drm_gem_object.import_attach for the imported dma-buf. The dma_buf field in the GEM object instance refers to the same buffer. Prepares to make import_attach an implementation detail of PRIME. Reviewed-by: Christian König Signed-off-by: Thomas Zimmermann Signed-off-by: Alex Deucher

drm/amdgpu: Test for imported buffers with drm_gem_is_imported()

2025-06-30T15:54:59Z

Instead of testing import_attach for imported GEM buffers, invoke drm_gem_is_imported() to do the test. v2: - keep amdgpu_bo_print_info() as-is (Christian) Reviewed-by: Christian König Signed-off-by: Thomas Zimmermann Signed-off-by: Alex Deucher

drm/amdgpu: Convert from DRM_* to dev_*

2025-06-30T15:54:55Z

Convert from generic DRM_* to dev_* calls to have device context info. Signed-off-by: Lijo Lazar Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher

drm: amdgpu: Use struct drm_wedge_task_info inside of struct amdgpu_task_info

2025-06-17T14:32:47Z

To avoid a cast when calling drm_dev_wedged_event(), replace pid and task name inside of struct amdgpu_task_info with struct drm_wedge_task_info. Reviewed-by: Christian König Link: https://lore.kernel.org/r/20250617124949.2151549-6-andrealmeid@igalia.com Signed-off-by: André Almeida