git/linux-net
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/ synced 2026-04-18 06:33:43 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: sync to KFD fences before clearing PTEs

Browse Source 
This patch tries to solve the basic problem we also need to sync to
the KFD fences of the BO because otherwise it can be that we clear
PTEs while the KFD queues are still running.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2024-08-21 13:55:41 +02:00
committed by Alex Deucher
parent 4771d2ecb7
commit 126be9b2be
3 changed files with 37 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@@ -1169,6 +1169,12 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va,
AMDGPU_SYNC_EQ_OWNER, vm);
if (r)
goto error_free;
if (bo) {
r = amdgpu_sync_kfd(&sync, bo->tbo.base.resv);
if (r)
goto error_free;
}
} else {
struct drm_gem_object *obj = &bo->tbo.base;