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drm/nouveau: uvmm: fix unset region pointer on remap
author
Danilo Krummrich
<dakr@redhat.com>
Sun, 20 Aug 2023 22:29:16 +0000
(
00:29
+0200)
committer
Danilo Krummrich
<dakr@redhat.com>
Thu, 24 Aug 2023 00:57:46 +0000
(
02:57
+0200)
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
drivers/gpu/drm/nouveau/nouveau_uvmm.c
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diff --git
a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
index
3a1e853
..
aae780e
100644
(file)
--- 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;