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authorChristian König <christian.koenig@amd.com>2016-09-16 15:07:46 +0300
committerAlex Deucher <alexander.deucher@amd.com>2016-09-28 23:16:22 +0300
commit2befa60e4c538a094853ea00ac03b209b7ad272d (patch)
tree6175fc95d8d69dbe627aa670866e535bdc3c206e /drivers/gpu/drm/amd/amdgpu
parent2a82ec21b9ba342dc90e054458e430f577beca89 (diff)
downloadlinux-2befa60e4c538a094853ea00ac03b209b7ad272d.tar.xz
drm/amdgpu: fix initializing the VM BO shadow
We need to clear the shadows as well. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 04aa5a77e953..3a43000bdf8c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1435,6 +1435,15 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
goto error_free;
}
+ if (pt->shadow) {
+ r = amdgpu_vm_clear_bo(adev, vm, pt->shadow);
+ if (r) {
+ amdgpu_bo_unref(&pt->shadow);
+ amdgpu_bo_unref(&pt);
+ goto error_free;
+ }
+ }
+
entry->robj = pt;
entry->priority = 0;
entry->tv.bo = &entry->robj->tbo;
@@ -1632,6 +1641,12 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
if (r)
goto error_unreserve;
+ if (vm->page_directory->shadow) {
+ r = amdgpu_vm_clear_bo(adev, vm, vm->page_directory->shadow);
+ if (r)
+ goto error_unreserve;
+ }
+
vm->last_eviction_counter = atomic64_read(&adev->num_evictions);
amdgpu_bo_unreserve(vm->page_directory);