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drm/nouveau/fifo/ga102: initialise chid on return from channel creation

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Turns out caller isn't zero-initialised after-all.

Fixes: 49b2dfc081 ("drm/nouveau/ga102-: support ttm buffer moves via copy engine")
Reported-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210921090735.247236-1-skeggsb@gmail.com
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
This commit is contained in:
Ben Skeggs
2021-09-21 19:07:35 +10:00
committed by Maarten Lankhorst
parent 64ec4912c5
commit 0689ea432a
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c
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@@ -179,6 +179,9 @@ ga102_chan_new(struct nvkm_device *device,
return -ENODEV;
chan->ctrl.chan = nvkm_rd32(device, chan->ctrl.runl + 0x004) & 0xfffffff0;
args->chid = 0;
args->inst = 0;
args->token = nvkm_rd32(device, chan->ctrl.runl + 0x008) & 0xffff0000;
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000, true, &chan->mthd);