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: Let KFD sync with VM fences

Browse Source 
Change the rules for amdgpu_sync_resv to let KFD synchronize with VM
fences on page table reservations. This fixes intermittent memory
corruption after evictions when using amdgpu_vm_handle_moved to update
page tables for VM mappings managed through render nodes.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling
2023-12-18 16:17:23 -05:00
committed by Alex Deucher
parent efae5a9eb4
commit ec9ba4821f
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
View File

@@ -191,7 +191,8 @@ static bool amdgpu_sync_test_fence(struct amdgpu_device *adev,
/* Never sync to VM updates either. */
if (fence_owner == AMDGPU_FENCE_OWNER_VM &&
owner != AMDGPU_FENCE_OWNER_UNDEFINED)
owner != AMDGPU_FENCE_OWNER_UNDEFINED &&
owner != AMDGPU_FENCE_OWNER_KFD)
return false;
/* Ignore fences depending on the sync mode */