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| author | Christian König <christian.koenig@amd.com> | 2020-08-06 14:44:07 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2020-08-07 16:02:43 +0200 |
| commit | 77f47d239545810a899bd0531ae81712f3a85092 (patch) | |
| tree | cae34d52cefb647a6d239416a5215a02e8218711 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 2966141ad2dda23d1b37997de6a4389b7864c169 (diff) | |
| download | lwn-77f47d239545810a899bd0531ae81712f3a85092.tar.gz lwn-77f47d239545810a899bd0531ae81712f3a85092.zip | |
drm/amdgpu: make sure userptr ttm is allocated
We need to allocate that manually now.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Tested-by: Michel Dänzer <mdaenzer@redhat.com>
Link: https://patchwork.freedesktop.org/patch/384330/
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 28557839f132..67d2eef2f9eb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1407,21 +1407,26 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) * amdgpu_ttm_tt_set_userptr - Initialize userptr GTT ttm_tt for the current * task * - * @ttm: The ttm_tt object to bind this userptr object to + * @bo: The ttm_buffer_object to bind this userptr to * @addr: The address in the current tasks VM space to use * @flags: Requirements of userptr object. * * Called by amdgpu_gem_userptr_ioctl() to bind userptr pages * to current task */ -int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, - uint32_t flags) +int amdgpu_ttm_tt_set_userptr(struct ttm_buffer_object *bo, + uint64_t addr, uint32_t flags) { - struct amdgpu_ttm_tt *gtt = (void *)ttm; + struct amdgpu_ttm_tt *gtt; - if (gtt == NULL) - return -EINVAL; + if (!bo->ttm) { + /* TODO: We want a separate TTM object type for userptrs */ + bo->ttm = amdgpu_ttm_tt_create(bo, 0); + if (bo->ttm == NULL) + return -ENOMEM; + } + gtt = (void*)bo->ttm; gtt->userptr = addr; gtt->userflags = flags; |