kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.h, branch v6.18.22

drm/amdgpu: make sure userqs are enabled in userq IOCTLs

2026-01-23T10:21:31+00:00

commit b6dff005fcf32dd072f6f2d08ca461394a21bd4f upstream. These IOCTLs shouldn't be called when userqs are not enabled. Make sure they are enabled before executing the IOCTLs. Reviewed-by: Christian König Signed-off-by: Alex Deucher (cherry picked from commit d967509651601cddce7ff2a9f09479f3636f684d) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: add userq object va track helpers

2025-12-18T13:02:41+00:00

[ Upstream commit 5cfa33fabf01f2cc0af6b1feed6e65cb81806a37 ] Add the userq object virtual address list_add() helpers for tracking the userq obj va address usage. Signed-off-by: Prike Liang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Stable-dep-of: a0559012a18a ("drm/amdgpu/userq: fix SDMA and compute validation") Signed-off-by: Sasha Levin

drm/amdgpu: validate userq buffer virtual address and size

2025-09-15T20:52:15+00:00

It needs to validate the userq object virtual address to determine whether it is residented in a valid vm mapping. Signed-off-by: Prike Liang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher

drm/amdgpu: clean up the amdgpu_userq_active()

2025-09-09T20:18:18+00:00

This is no invocation for amdgpu_userq_active(). Signed-off-by: Prike Liang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher

drm/amdgpu/userq: add a detect and reset callback

2025-09-05T21:38:39+00:00

Add a detect and reset callback and add the implementation for mes. The callback will detect all hung queues of a particular ip type (e.g., GFX or compute or SDMA) and reset them. v2: increase reset counter and set fence force completion v3: Removed userq_mutex in mes_userq_detect_and_reset since the driver holds it when calling Reviewed-by: Alex Deucher Signed-off-by: Jesse Zhang Signed-off-by: Alex Deucher

drm/amdgpu: Add preempt and restore callbacks to userq funcs

2025-09-05T21:37:50+00:00

Add two new function pointers to struct amdgpu_userq_funcs: - preempt: To handle preemption of user mode queues - restore: To restore preempted user mode queues These callbacks will allow the driver to properly manage queue preemption and restoration when needed, such as during context switching or priority changes. Reviewed-by: Alex Deucher Signed-off-by: Jesse Zhang Signed-off-by: Alex Deucher

drm/amdgpu: add support of debugfs for mqd information

2025-07-04T14:00:48+00:00

Add debugfs support for mqd for each queue of the client. The address exposed to debugfs could be used to dump the mqd. Signed-off-by: Sunil Khatri Reviewed-by: Christian König Link: https://lore.kernel.org/r/20250704075548.1549849-5-sunil.khatri@amd.com Signed-off-by: Christian König

drm/amdgpu: add drm_file reference in userq_mgr

2025-05-05T17:29:18+00:00

drm_file will be used in usermode queues code to enable better process information in logging and hence add drm_file part of the userq_mgr struct. update the drm_file pointer in userq_mgr for each amdgpu_driver_open_kms. Signed-off-by: Sunil Khatri Reviewed-by: Tvrtko Ursulin Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu/userq: use consistent function naming

2025-04-22T12:51:46+00:00

s/userqueue/userq/ 1. remove the mix of amdgpu_userqueue and amdgpu_userq 2. to be consistent with other amdgpu_userq_fence.c 3. it's shorter Reviewed-by: Prike Liang Signed-off-by: Alex Deucher