Re: [PATCH 3/5] drm/amdgpu: use amdgpu_bo_create_user() for gem object

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On 3/8/21 2:58 PM, Christian König wrote:


Am 08.03.21 um 14:56 schrieb Nirmoy:

On 3/5/21 4:11 PM, Christian König wrote:
We might need to use this for the KFD as well.

Do you mean for amdgpu_amdkfd_alloc_gws() ?

For example, yes. Basically all places where KFD allocated an BO with the TTM type device/user.


Thanks Christian!



Regards,
Christian.



Regards,

Nirmoy




Christian.

Am 05.03.21 um 15:35 schrieb Nirmoy Das:
GEM objects encapsulate amdgpu_bo for userspace applications.
Now that we have a new amdgpu_bo_user subclass for that purpose,
let's use that instead.

Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 4 +++-
  1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 8e9b8a6e6ef0..9d2b55eb31c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -54,6 +54,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
                   struct drm_gem_object **obj)
  {
      struct amdgpu_bo *bo;
+    struct amdgpu_bo_user *ubo;
      struct amdgpu_bo_param bp;
      int r;
  @@ -68,7 +69,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
  retry:
      bp.flags = flags;
      bp.domain = initial_domain;
-    r = amdgpu_bo_create(adev, &bp, &bo);
+    r = amdgpu_bo_create_user(adev, &bp, &ubo);
      if (r) {
          if (r != -ERESTARTSYS) {
              if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
@@ -85,6 +86,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
          }
          return r;
      }
+    bo = &ubo->bo;
      *obj = &bo->tbo.base;
        return 0;


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