diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 5a2a5ba29f9a..6d8df76b5a5d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -66,11 +66,35 @@ static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p, return 0; } -static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) +static int amdgpu_cs_bo_handles_chunk(struct amdgpu_cs_parser *p, + struct drm_amdgpu_bo_list_in *data) +{ + int r; + struct drm_amdgpu_bo_list_entry *info = NULL; + + r = amdgpu_bo_create_list_entry_array(data, &info); + if (r) + return r; + + r = amdgpu_bo_list_create(p->adev, p->filp, info, data->bo_number, + &p->bo_list); + if (r) + goto error_free; + + kvfree(info); + return 0; + +error_free: + if (info) + kvfree(info); + + return r; +} + +static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs *cs) { struct amdgpu_fpriv *fpriv = p->filp->driver_priv; struct amdgpu_vm *vm = &fpriv->vm; - union drm_amdgpu_cs *cs = data; uint64_t *chunk_array_user; uint64_t *chunk_array; unsigned size, num_ibs = 0; @@ -164,6 +188,19 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) break; + case AMDGPU_CHUNK_ID_BO_HANDLES: + size = sizeof(struct drm_amdgpu_bo_list_in); + if (p->chunks[i].length_dw * sizeof(uint32_t) < size) { + ret = -EINVAL; + goto free_partial_kdata; + } + + ret = amdgpu_cs_bo_handles_chunk(p, p->chunks[i].kdata); + if (ret) + goto free_partial_kdata; + + break; + case AMDGPU_CHUNK_ID_DEPENDENCIES: case AMDGPU_CHUNK_ID_SYNCOBJ_IN: case AMDGPU_CHUNK_ID_SYNCOBJ_OUT: @@ -534,7 +571,12 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, INIT_LIST_HEAD(&p->validated); - p->bo_list = amdgpu_bo_list_get(fpriv, cs->in.bo_list_handle); + /* p->bo_list could already be assigned if AMDGPU_CHUNK_ID_BO_HANDLES is present */ + if (!p->bo_list) + p->bo_list = amdgpu_bo_list_get(fpriv, cs->in.bo_list_handle); + else + mutex_lock(&p->bo_list->lock); + if (p->bo_list) { amdgpu_bo_list_get_list(p->bo_list, &p->validated); if (p->bo_list->first_userptr != p->bo_list->num_entries) |