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path: root/drivers/gpu/drm/nouveau/nouveau_abi16.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_abi16.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_abi16.c32
1 files changed, 28 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 4107b7006539..5bee655e7e63 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -126,9 +126,8 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
{
struct nouveau_abi16_ntfy *ntfy, *temp;
- /* wait for all activity to stop before releasing notify object, which
- * may be still in use */
- if (chan->chan && chan->ntfy)
+ /* wait for all activity to stop before cleaning up */
+ if (chan->chan)
nouveau_channel_idle(chan->chan);
/* cleanup notifier state */
@@ -147,7 +146,7 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
/* destroy channel object, all children will be killed too */
if (chan->chan) {
- nouveau_channel_idle(chan->chan);
+ nvif_object_dtor(&chan->ce);
nouveau_channel_del(&chan->chan);
}
@@ -325,6 +324,31 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
init->nr_subchan = 2;
}
+ /* Workaround "nvc0" gallium driver using classes it doesn't allocate on
+ * Kepler and above. NVKM no longer always sets CE_CTX_VALID as part of
+ * channel init, now we know what that stuff actually is.
+ *
+ * Doesn't matter for Kepler/Pascal, CE context stored in NV_RAMIN.
+ *
+ * Userspace was fixed prior to adding Ampere support.
+ */
+ switch (device->info.family) {
+ case NV_DEVICE_INFO_V0_VOLTA:
+ ret = nvif_object_ctor(&chan->chan->user, "abi16CeWar", 0, VOLTA_DMA_COPY_A,
+ NULL, 0, &chan->ce);
+ if (ret)
+ goto done;
+ break;
+ case NV_DEVICE_INFO_V0_TURING:
+ ret = nvif_object_ctor(&chan->chan->user, "abi16CeWar", 0, TURING_DMA_COPY_A,
+ NULL, 0, &chan->ce);
+ if (ret)
+ goto done;
+ break;
+ default:
+ break;
+ }
+
/* Named memory object area */
ret = nouveau_gem_new(cli, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
0, 0, &chan->ntfy);