diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2021-09-21 12:07:35 +0300 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-10-06 12:12:18 +0300 |
| commit | 0689ea432a85ad1a108f47c3d90b6feae322c7f9 (patch) | |
| tree | df7686a2b046ec0dc753eb6450608f515ed64f31 /drivers | |
| parent | 64ec4912c51ad782067e56b106735eaf62ea035c (diff) | |
| download | linux-0689ea432a85ad1a108f47c3d90b6feae322c7f9.tar.xz | |
drm/nouveau/fifo/ga102: initialise chid on return from channel creation
Turns out caller isn't zero-initialised after-all.
Fixes: 49b2dfc08182 ("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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c index f897bef13acf..c630dbd2911a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c @@ -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); |