iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd/display: Include udelay when waiting for INBOX0 ACK

Browse Source 
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>
This commit is contained in:
Alvin Lee 2023-11-06 11:20:15 -05:00 committed by Alex Deucher
parent 2cc14f52ae
commit 3c9ea68cb6
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
View File

@ -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;
}