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drm/nouveau: uvmm: fix unset region pointer on remap

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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@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230820222920.2344-1-dakr@redhat.com
This commit is contained in:
Danilo Krummrich 2023-08-21 00:29:16 +02:00
parent 7baf605564
commit b4e9fa9335
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/nouveau/nouveau_uvmm.c
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@ -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;