bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 14:53:58 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: validate userq va for GEM unmap

Browse Source 
When a user unmaps a userq VA, the driver must ensure
the queue has no in-flight jobs. If there is pending work,
the kernel should wait for the attached eviction (bookkeeping)
fence to signal before deleting the mapping.

Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang
2025-09-19 15:14:41 +08:00
committed by Alex Deucher
parent 89926812d3
commit 2e7ceac0ea
3 changed files with 46 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdgpu/amdgpu_userq.h
View File

@@ -146,4 +146,7 @@ int amdgpu_userq_start_sched_for_enforce_isolation(struct amdgpu_device *adev,
u32 idx);
int amdgpu_userq_input_va_validate(struct amdgpu_usermode_queue *queue,
u64 addr, u64 expected_size);
int amdgpu_userq_gem_va_unmap_validate(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *mapping,
uint64_t saddr);
#endif