From: Danilo Krummrich Date: Sun, 20 Aug 2023 22:29:16 +0000 (+0200) Subject: drm/nouveau: uvmm: fix unset region pointer on remap X-Git-Tag: io_uring-6.7-2023-11-10~63^2~18^2~77 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=b4e9fa933551e51459c634dc4396171dc65284a6;p=linux-2.6-block.git drm/nouveau: uvmm: fix unset region pointer on remap 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 Reviewed-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/20230820222920.2344-1-dakr@redhat.com --- 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;