It is to avoid redundant eviction for KFD's DMAbuf import bo when dmaunmapping DMAbuf. The DMAbuf import bo has been set as AMDGPU_PL_PREEMPT in KFD when mapping.
Signed-off-by: Eric Huang <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 2430f3e9f3a7..a0828f6d9fbe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -526,7 +526,10 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, if ((old_mem->mem_type == TTM_PL_TT || old_mem->mem_type == AMDGPU_PL_PREEMPT) && new_mem->mem_type == TTM_PL_SYSTEM) { - r = ttm_bo_wait_ctx(bo, ctx); + if (old_mem->mem_type == AMDGPU_PL_PREEMPT) + r = amdgpu_bo_sync_wait(abo, AMDGPU_FENCE_OWNER_KFD, false); + else + r = ttm_bo_wait_ctx(bo, ctx); if (r) return r; -- 2.34.1
