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authorBen Skeggs <bskeggs@redhat.com>2021-01-13 17:12:52 +1000
committerBen Skeggs <bskeggs@redhat.com>2021-01-15 10:25:17 +1000
commitcaeb6ab899c3d36a74cda6e299c6e1c9c4e2a22e (patch)
tree2553b8912f868e2f8ddb1f37db6828cd9d7a4c02 /drivers/gpu/drm/nouveau/dispnv50/disp.c
parentadd42781ad76c5ae65127bf13852a4c6b2f08849 (diff)
downloadlinux-caeb6ab899c3d36a74cda6e299c6e1c9c4e2a22e.tar.bz2
drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
VRAM offset 0 is a valid address, triggered on GA102. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/disp.c')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 33fff388dd83..c6367035970e 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -222,7 +222,7 @@ nv50_dmac_wait(struct nvif_push *push, u32 size)
int
nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
- const s32 *oclass, u8 head, void *data, u32 size, u64 syncbuf,
+ const s32 *oclass, u8 head, void *data, u32 size, s64 syncbuf,
struct nv50_dmac *dmac)
{
struct nouveau_cli *cli = (void *)device->object.client;
@@ -271,7 +271,7 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
if (ret)
return ret;
- if (!syncbuf)
+ if (syncbuf < 0)
return 0;
ret = nvif_object_ctor(&dmac->base.user, "kmsSyncCtxDma", NV50_DISP_HANDLE_SYNCBUF,