Re: [PATCH 3/3] drm/amdgpu: DROP redundant drm_prime_sg_to_dma_addr_array

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On 2023-04-05 11:31, Shane Xiao wrote:
For DMA-MAP userptr on other GPUs, the dma address array
will be populated in amdgpu_ttm_backend_bind.

Remove the redundant call from the driver.

v2:
   update the comment

Thanks. You already have my R-b. :)



Signed-off-by: Shane Xiao <shane.xiao@xxxxxxx>
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 ---
  1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index b181bb373783..74a1070f0be7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -503,9 +503,6 @@ kfd_mem_dmamap_userptr(struct kgd_mem *mem,
  	if (unlikely(ret))
  		goto release_sg;
- drm_prime_sg_to_dma_addr_array(ttm->sg, ttm->dma_address,
-				       ttm->num_pages);
-
  	amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_GTT);
  	ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
  	if (ret)



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