[PATCH drm-misc-next] drm/nouveau: uvmm: fix unset region pointer on remap

[Danilo Krummrich]

Transfer the region pointer of a uvma to the new uvma(s) on re-map to
prevent potential shader faults when the re-mapped uvma(s) are unmapped.

Signed-off-by: Danilo Krummrich <dakr at redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_uvmm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
index 3a1e8538f205..aae780e4a4aa 100644
--- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
@@ -639,6 +639,7 @@ nouveau_uvmm_sm_prepare(struct nouveau_uvmm *uvmm,
 			struct drm_gpuva *va = r->unmap->va;
 			struct uvmm_map_args remap_args = {
 				.kind = uvma_from_va(va)->kind,
+				.region = uvma_from_va(va)->region,
 			};
 			u64 ustart = va->va.addr;
 			u64 urange = va->va.range;

base-commit: 25205087df1ffe06ccea9302944ed1f77dc68c6f
-- 
2.41.0