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drm/amdgpu: explicitly sync VM update to PDs/PTs

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Explicitly sync VM updates to the moving fence in PDs and PTs.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2019-12-16 14:22:35 +01:00 • committed by Alex Deucher
parent 58fe03d6de
commit 81417bea87
2 changed files with 12 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
View file

@ -86,6 +86,13 @@ static int amdgpu_vm_cpu_update(struct amdgpu_vm_update_params *p,
{
unsigned int i;
uint64_t value;
int r;
if (bo->tbo.moving) {
r = dma_fence_wait(bo->tbo.moving, true);
if (r)
return r;
}
pe += (unsigned long)amdgpu_bo_kptr(bo);

5
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
View file

@ -208,6 +208,11 @@ static int amdgpu_vm_sdma_update(struct amdgpu_vm_update_params *p,
uint64_t *pte;
int r;
/* Wait for PD/PT moves to be completed */
r = amdgpu_sync_fence(&p->job->sync, bo->tbo.moving, false);
if (r)
return r;
do {
ndw = p->num_dw_left;
ndw -= p->job->ibs->length_dw;