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authorChristian König2016-02-08 11:08:35 +0100
committerAlex Deucher2016-02-10 20:17:16 +0100
commitcc325d1913475655b81c0417ba04c84f168ac78c (patch)
tree6dcc586983e753988a4b2713678f78bbb49ded6e /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
parentdrm/radeon: Avoid double gpu reset by adding a timeout on IB ring tests. (diff)
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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 <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c7
1 files changed, 6 insertions, 1 deletions
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;