disp: msm: dp: fix dp-mst stream double disabled issue
There is a corner case when dp-mst stream is disabled twice: 1. stream 1 is enabled 2. cable plugged out, stream 1 is disabled by kernel 3. cable plugged in, enable stream 0 first 4. disable stream 1 Stream 1 is double disabled and will cause hw crash. This change will add the check and skip stream_off if already disabled. Change-Id: Icd1e815a1ed14cd4e784924f3db19b98eb06d571 Signed-off-by: Xiaowen Wu <wxiaowen@codeaurora.org> Signed-off-by: Sankeerth Billakanti <sbillaka@codeaurora.org>
This commit is contained in:

committed by
Gerrit - the friendly Code Review server

父節點
1c5beba30c
當前提交
c60d3d5989
@@ -1257,6 +1257,12 @@ static void dp_display_stream_disable(struct dp_display_private *dp,
|
||||
return;
|
||||
}
|
||||
|
||||
if (dp_panel->stream_id == DP_STREAM_MAX ||
|
||||
!dp->active_panels[dp_panel->stream_id]) {
|
||||
DP_ERR("panel is already disabled\n");
|
||||
return;
|
||||
}
|
||||
|
||||
DP_DEBUG("stream_id=%d, active_stream_cnt=%d\n",
|
||||
dp_panel->stream_id, dp->active_stream_cnt);
|
||||
|
||||
|
Reference in New Issue
Block a user