diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 9 |
7 files changed, 27 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 4a6e87857875..a783c684b49b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -2364,7 +2364,7 @@ void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *rbo, u32 domain); bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo); int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, uint32_t flags); -bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm); +struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm); bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start, unsigned long end); bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c index c4341dd4b6a4..90d6fc1618aa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c @@ -93,6 +93,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev, bool has_userptr = false; unsigned i; + int r; array = drm_malloc_ab(num_entries, sizeof(struct amdgpu_bo_list_entry)); if (!array) @@ -102,17 +103,26 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev, for (i = 0; i < num_entries; ++i) { struct amdgpu_bo_list_entry *entry = &array[i]; struct drm_gem_object *gobj; + struct mm_struct *usermm; gobj = drm_gem_object_lookup(adev->ddev, filp, info[i].bo_handle); - if (!gobj) + if (!gobj) { + r = -ENOENT; goto error_free; + } entry->robj = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj)); drm_gem_object_unreference_unlocked(gobj); entry->priority = min(info[i].bo_priority, AMDGPU_BO_LIST_MAX_PRIORITY); - if (amdgpu_ttm_tt_has_userptr(entry->robj->tbo.ttm)) + usermm = amdgpu_ttm_tt_get_usermm(entry->robj->tbo.ttm); + if (usermm) { + if (usermm != current->mm) { + r = -EPERM; + goto error_free; + } has_userptr = true; + } entry->tv.bo = &entry->robj->tbo; entry->tv.shared = true; @@ -142,7 +152,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev, error_free: drm_free_large(array); - return -ENOENT; + return r; } struct amdgpu_bo_list * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index a795af3ab0ad..e7e384264202 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -101,7 +101,7 @@ static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p, p->uf.bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj)); p->uf.offset = fence_data->offset; - if (amdgpu_ttm_tt_has_userptr(p->uf.bo->tbo.ttm)) { + if (amdgpu_ttm_tt_get_usermm(p->uf.bo->tbo.ttm)) { drm_gem_object_unreference_unlocked(gobj); return -EINVAL; } @@ -296,8 +296,13 @@ int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p, list_for_each_entry(lobj, validated, tv.head) { struct amdgpu_bo *bo = lobj->robj; + struct mm_struct *usermm; uint32_t domain; + usermm = amdgpu_ttm_tt_get_usermm(bo->tbo.ttm); + if (usermm && usermm != current->mm) + return -EPERM; + if (bo->pin_count) continue; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 84e850f81f39..b1a611e79c94 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -310,7 +310,7 @@ int amdgpu_mode_dumb_mmap(struct drm_file *filp, return -ENOENT; } robj = gem_to_amdgpu_bo(gobj); - if (amdgpu_ttm_tt_has_userptr(robj->tbo.ttm) || + if (amdgpu_ttm_tt_get_usermm(robj->tbo.ttm) || (robj->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)) { drm_gem_object_unreference_unlocked(gobj); return -EPERM; @@ -638,7 +638,7 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, break; } case AMDGPU_GEM_OP_SET_PLACEMENT: - if (amdgpu_ttm_tt_has_userptr(robj->tbo.ttm)) { + if (amdgpu_ttm_tt_get_usermm(robj->tbo.ttm)) { r = -EPERM; amdgpu_bo_unreserve(robj); break; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 8c1fc1f56342..b74084ce734f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -370,7 +370,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, int r, i; unsigned fpfn, lpfn; - if (amdgpu_ttm_tt_has_userptr(bo->tbo.ttm)) + if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) return -EPERM; if (WARN_ON_ONCE(min_offset > max_offset)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c index 59f735a933a9..a0bdb0e45c0f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c @@ -121,7 +121,7 @@ struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev, { struct amdgpu_bo *bo = gem_to_amdgpu_bo(gobj); - if (amdgpu_ttm_tt_has_userptr(bo->tbo.ttm)) + if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) return ERR_PTR(-EPERM); return drm_gem_prime_export(dev, gobj, flags); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 100bfd4a0707..cdb393db11a5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -499,9 +499,6 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm) enum dma_data_direction direction = write ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE; - if (current->mm != gtt->usermm) - return -EPERM; - if (gtt->userflags & AMDGPU_GEM_USERPTR_ANONONLY) { /* check that we only pin down anonymous memory to prevent problems with writeback */ @@ -773,14 +770,14 @@ int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, return 0; } -bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm) +struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; if (gtt == NULL) - return false; + return NULL; - return !!gtt->userptr; + return gtt->usermm; } bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start, |