Am 2021-03-05 um 10:06 a.m. schrieb Nirmoy Das:
> These members are only needed for BOs created by
> amdgpu_gem_object_create(), so we can remove these from the
> base class.
>
> CC: felix.kuehl...@amd.com
> Signed-off-by: Nirmoy Das <nirmoy....@amd.com>
Acked-by: Felix Kuehling <felix.kuehl...@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 -
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 48 +++++++++++++++-------
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 3 --
> 3 files changed, 34 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> index c5343a5eecbe..f8c8cbd8ab59 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> @@ -494,8 +494,6 @@ int amdgpu_amdkfd_get_dmabuf_info(struct kgd_dev *kgd,
> int dma_buf_fd,
> *dma_buf_kgd = (struct kgd_dev *)adev;
> if (bo_size)
> *bo_size = amdgpu_bo_size(bo);
> - if (metadata_size)
> - *metadata_size = bo->metadata_size;
> if (metadata_buffer)
> r = amdgpu_bo_get_metadata(bo, metadata_buffer, buffer_size,
> metadata_size, &metadata_flags);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> index ca60943312dc..7c744d90ed34 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> @@ -77,6 +77,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
> {
> struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
> struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
> + struct amdgpu_bo_user *ubo;
>
> if (bo->pin_count > 0)
> amdgpu_bo_subtract_pin_size(bo);
> @@ -94,7 +95,11 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object
> *tbo)
> }
> amdgpu_bo_unref(&bo->parent);
>
> - kfree(bo->metadata);
> + if (bo->tbo.type == ttm_bo_type_device) {
> + ubo = container_of((bo), struct amdgpu_bo_user, bo);
> + kfree(ubo->metadata);
> + }
> +
> kfree(bo);
> }
>
> @@ -1236,13 +1241,20 @@ void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo,
> u64 *tiling_flags)
> int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
> uint32_t metadata_size, uint64_t flags)
> {
> + struct amdgpu_bo_user *ubo;
> void *buffer;
>
> + if (bo->tbo.type != ttm_bo_type_device) {
> + DRM_ERROR("can not set metadata for a non-amdgpu_bo_user type
> BO\n");
> + return -EINVAL;
> + }
> +
> + ubo = container_of((bo), struct amdgpu_bo_user, bo);
> if (!metadata_size) {
> - if (bo->metadata_size) {
> - kfree(bo->metadata);
> - bo->metadata = NULL;
> - bo->metadata_size = 0;
> + if (ubo->metadata_size) {
> + kfree(ubo->metadata);
> + ubo->metadata = NULL;
> + ubo->metadata_size = 0;
> }
> return 0;
> }
> @@ -1254,10 +1266,10 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo,
> void *metadata,
> if (buffer == NULL)
> return -ENOMEM;
>
> - kfree(bo->metadata);
> - bo->metadata_flags = flags;
> - bo->metadata = buffer;
> - bo->metadata_size = metadata_size;
> + kfree(ubo->metadata);
> + ubo->metadata_flags = flags;
> + ubo->metadata = buffer;
> + ubo->metadata_size = metadata_size;
>
> return 0;
> }
> @@ -1281,21 +1293,29 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void
> *buffer,
> size_t buffer_size, uint32_t *metadata_size,
> uint64_t *flags)
> {
> + struct amdgpu_bo_user *ubo;
> +
> if (!buffer && !metadata_size)
> return -EINVAL;
>
> + if (bo->tbo.type != ttm_bo_type_device) {
> + DRM_ERROR("can not get metadata for a non-amdgpu_bo_user type
> BO\n");
> + return -EINVAL;
> + }
> +
> + ubo = container_of((bo), struct amdgpu_bo_user, bo);
> if (buffer) {
> - if (buffer_size < bo->metadata_size)
> + if (buffer_size < ubo->metadata_size)
> return -EINVAL;
>
> - if (bo->metadata_size)
> - memcpy(buffer, bo->metadata, bo->metadata_size);
> + if (ubo->metadata_size)
> + memcpy(buffer, ubo->metadata, ubo->metadata_size);
> }
>
> if (metadata_size)
> - *metadata_size = bo->metadata_size;
> + *metadata_size = ubo->metadata_size;
> if (flags)
> - *flags = bo->metadata_flags;
> + *flags = ubo->metadata_flags;
>
> return 0;
> }
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> index 67c1634fa8bd..5005bb4480e9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> @@ -91,9 +91,6 @@ struct amdgpu_bo {
> struct ttm_bo_kmap_obj kmap;
> u64 flags;
> unsigned pin_count;
> - u64 metadata_flags;
> - void *metadata;
> - u32 metadata_size;
> unsigned prime_shared_count;
> /* per VM structure for page tables and with virtual addresses */
> struct amdgpu_vm_bo_base *vm_bo;
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