Allow allocating BO structures with different structure size
than struct amdgpu_bo.
Signed-off-by: Nirmoy Das <nirmoy....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 0bd22ed1dacf..745393472564 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -551,6 +551,8 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
acc_size = ttm_bo_dma_acc_size(&adev->mman.bdev, size,
sizeof(struct amdgpu_bo));
+ if (bp->bo_ptr_size < sizeof(struct amdgpu_bo))
+ bp->bo_ptr_size = sizeof(struct amdgpu_bo);
bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL);
if (bo == NULL)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 8cd96c9330dd..848dc0a017dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -40,6 +40,7 @@
struct amdgpu_bo_param {
unsigned long size;
int byte_align;
+ u32 bo_ptr_size;
u32 domain;
u32 preferred_domain;
u64 flags;
--
2.30.1
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