diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-12-11 05:04:46 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-12-11 05:04:46 +0000 |
| commit | fdf07312828286433000ea8e6c2281ff5050f39f (patch) | |
| tree | 047020d01e1d3c451036543be627bd81a2b3b35b /sys | |
| parent | 8600c19229d08aa9ab17a490ece2c6a981a00a34 (diff) | |
drm/amd/display: Include udelay when waiting for INBOX0 ACK
From Alvin Lee
33ed892f0cdeb1350648cd3bfe8140aa9f792076 in linux-6.1.y/6.1.66
3c9ea68cb61bd7e5bd312c06a12adada74ff5805 in mainline linux
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c b/sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c index c3327875933..f58803de37c 100644 --- a/sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c +++ b/sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c @@ -964,6 +964,7 @@ enum dmub_status dmub_srv_wait_for_inbox0_ack(struct dmub_srv *dmub, uint32_t ti ack = dmub->hw_funcs.read_inbox0_ack_register(dmub); if (ack) return DMUB_STATUS_OK; + udelay(1); } return DMUB_STATUS_TIMEOUT; } |