AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-19 18:58:48 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/amdgpu: minor PRT turnoff fix (v2)

Browse Source 
When two VMs stop using PRT support at the same time we might
not disable it in the right order otherwise.

v2: agd: rebase

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-02-14 14:50:50 +01:00 committed by Alex Deucher
parent 982a1348bb
commit 1b04e4129d
1 changed files with 5 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -1200,7 +1200,8 @@ static void amdgpu_vm_prt_cb(struct dma_fence *fence, struct dma_fence_cb *_cb)
{
struct amdgpu_prt_cb *cb = container_of(_cb, struct amdgpu_prt_cb, cb);
amdgpu_vm_update_prt_state(cb->adev);
if (atomic_dec_return(&cb->adev->vm_manager.num_prt_mappings) == 0)
amdgpu_vm_update_prt_state(cb->adev);
kfree(cb);
}
@ -1219,17 +1220,14 @@ static void amdgpu_vm_free_mapping(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *mapping,
struct dma_fence *fence)
{
if ((mapping->flags & AMDGPU_PTE_PRT) &&
atomic_dec_return(&adev->vm_manager.num_prt_mappings) == 0) {
if (mapping->flags & AMDGPU_PTE_PRT) {
struct amdgpu_prt_cb *cb = kmalloc(sizeof(struct amdgpu_prt_cb),
GFP_KERNEL);
cb->adev = adev;
if (!fence || dma_fence_add_callback(fence, &cb->cb,
amdgpu_vm_prt_cb)) {
amdgpu_vm_update_prt_state(adev);
kfree(cb);
}
amdgpu_vm_prt_cb))
amdgpu_vm_prt_cb(fence, &cb->cb);
}
kfree(mapping);
}