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drm/amdgpu: fix metadata_size for ubo ioctl queries

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Although the kfd_ioctl_get_dmabuf_info() still fail it will indicate
the caller right metadat_size useful for the same kfd ioctl next time.

Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shiwu Zhang 2021-05-24 14:30:21 +08:00 committed by Alex Deucher
parent 580204038f
commit eba9852372
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@ -1197,6 +1197,9 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
ubo = to_amdgpu_bo_user(bo);
if (metadata_size)
*metadata_size = ubo->metadata_size;
if (buffer) {
if (buffer_size < ubo->metadata_size)
return -EINVAL;
@ -1205,8 +1208,6 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
memcpy(buffer, ubo->metadata, ubo->metadata_size);
}
if (metadata_size)
*metadata_size = ubo->metadata_size;
if (flags)
*flags = ubo->metadata_flags;