diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2022-06-01 20:48:09 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2022-11-09 10:45:11 +1000 |
| commit | 366e01092a050579b1f28129bdb72bc7c65ba47a (patch) | |
| tree | 19ececcc9b1cbb09ae0a5a9c8634497acea39ebd | |
| parent | f1f4d9181484a80928aaf5dfed96897ee3257e13 (diff) | |
drm/nouveau/gr/gf100-: wait for FE_PWR_MODE_AUTO
This doesn't fix any known issue, but RM started doing it at some point,
so presumably it's needed for something.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c index eef9b3f065fd..979589676361 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c @@ -1447,6 +1447,10 @@ gf100_grctx_generate(struct gf100_gr *gr, struct gf100_gr_chan *chan, struct nvk /* NV_PGRAPH_FE_PWR_MODE_AUTO. */ nvkm_wr32(device, 0x404170, 0x00000010); + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x404170) & 0x00000010)) + break; + ); /* Init SCC RAM. */ nvkm_wr32(device, 0x40802c, 0x00000001); |