drm/amdkfd: Fix NULL pointer error for GC 11.0.1 on mGPU

[ Upstream commit a6941f8 ] The point bo->kfd_bo is NULL for queue's write pointer BO when creating queue on mGPU. To avoid using the pointer fixes the error. Signed-off-by: Eric Huang <jinhuieric.huang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
xanmod · Feb 1, 2023 · ca6263d · ca6263d
1 parent 92af2d3
commit ca6263d
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -2130,7 +2130,7 @@ int amdgpu_amdkfd_map_gtt_bo_to_gart(struct amdgpu_device *adev, struct amdgpu_b
 	}
 
 	amdgpu_amdkfd_remove_eviction_fence(
-		bo, bo->kfd_bo->process_info->eviction_fence);
+		bo, bo->vm_bo->vm->process_info->eviction_fence);
 
 	amdgpu_bo_unreserve(bo);
 

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -200,7 +200,7 @@ static int add_queue_mes(struct device_queue_manager *dqm, struct queue *q,
 	queue_input.wptr_addr = (uint64_t)q->properties.write_ptr;
 
 	if (q->wptr_bo) {
-		wptr_addr_off = (uint64_t)q->properties.write_ptr - (uint64_t)q->wptr_bo->kfd_bo->va;
+		wptr_addr_off = (uint64_t)q->properties.write_ptr & (PAGE_SIZE - 1);
 		queue_input.wptr_mc_addr = ((uint64_t)q->wptr_bo->tbo.resource->start << PAGE_SHIFT) + wptr_addr_off;
 	}