fbdev: msm: check for panel status before waiting for pp done
Panel may go bad during esd test, in such cases do not wait
for PP done when switching from ON to LP1/LP2, which will cause
fifo error's and black screen.
Change-Id: I2a416e2a5e332f0be00215734342405292410c41
Signed-off-by: Raghavendra Ambadas <rambad@codeaurora.org>
diff --git a/drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c b/drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c
index 530f353..17a0989 100644
--- a/drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c
+++ b/drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2019, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -3233,6 +3233,7 @@
struct mdss_mdp_cmd_ctx *ctx = ctl->intf_ctx[MASTER_CTX];
struct mdss_mdp_cmd_ctx *sctx = NULL;
struct mdss_mdp_ctl *sctl = mdss_mdp_get_split_ctl(ctl);
+ struct mdss_panel_data *pdata;
bool panel_off = false;
bool turn_off_clocks = false;
bool send_panel_events = false;
@@ -3243,6 +3244,7 @@
return -ENODEV;
}
+ pdata = ctl->panel_data;
if (__mdss_mdp_cmd_is_panel_power_off(ctx)) {
pr_debug("%s: panel already off\n", __func__);
return 0;
@@ -3279,7 +3281,8 @@
send_panel_events = true;
if (mdss_panel_is_power_on_ulp(panel_power_state)) {
turn_off_clocks = true;
- } else if (atomic_read(&ctx->koff_cnt)) {
+ } else if (atomic_read(&ctx->koff_cnt) &&
+ !pdata->panel_info.panel_dead) {
/*
* Transition from interactive to low power
* Wait for kickoffs to finish