Commit 3c9ea68c authored by Alvin Lee's avatar Alvin Lee Committed by Alex Deucher
Browse files

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: default avatarSamson Tam <samson.tam@amd.com>
Acked-by: default avatarHamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: default avatarAlvin Lee <alvin.lee2@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2cc14f52

drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

}