From cc325d1913475655b81c0417ba04c84f168ac78c Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 8 Feb 2016 11:08:35 +0100 Subject: drm/amdgpu: check userptrs mm earlier Instead of when we try to bind it check the usermm when we try to use it in the IOCTLs. Signed-off-by: Christian König Acked-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c') 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; -- cgit v1.2.3-55-g7522