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| author | Alvin Lee <alvin.lee2@amd.com> | 2023-11-06 11:20:15 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-29 17:50:27 -0500 |
| commit | 3c9ea68cb61bd7e5bd312c06a12adada74ff5805 (patch) | |
| tree | 612600d67077a2477c66ec3d70ac3819d3a4381e | |
| parent | 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab (diff) | |
| download | linux-xfs-3c9ea68cb61bd7e5bd312c06a12adada74ff5805.tar.gz | |
drm/amd/display: Include udelay when waiting for INBOX0 ACK
When waiting for the ACK for INBOX0 message,
we have to ensure to include the udelay
for proper wait time
Cc: stable@vger.kernel.org # 6.1+
Reviewed-by: Samson Tam <samson.tam@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index 22fc4ba96defd1..38360adc53d973 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -1077,6 +1077,7 @@ 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; } |