evie/android_kernel_oneplus_msm8998
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msm: mdss: add xlog for debug in ping_pong timeout

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Add addtional debug info to know the commit count
on pingpong timeout.

Change-Id: I1f40a5eee1a14efbf03487db9d398e04cd2e6f7c
Signed-off-by: Kalyan Thota <kalyant@codeaurora.org>
This commit is contained in:
Kalyan Thota 2016-02-05 16:54:19 +05:30 • committed by David Keitel
parent da4d92394d
commit d6d2450a70
1 changed files with 4 additions and 3 deletions
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7
drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c
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@ -1553,10 +1553,10 @@ static int mdss_mdp_cmd_wait4pingpong(struct mdss_mdp_ctl *ctl, void *arg)
if (rc <= 0) {
u32 status, mask;
mask = BIT(MDSS_MDP_IRQ_PING_PONG_COMP + ctx->current_pp_num);
status = mask & readl_relaxed(ctl->mdata->mdp_base +
MDSS_MDP_REG_INTR_STATUS);
MDSS_XLOG(status, atomic_read(&ctx->koff_cnt), rc);
if (status) {
pr_warn("pp done but irq not triggered\n");
mdss_mdp_irq_clear(ctl->mdata,
@ -1572,9 +1572,10 @@ static int mdss_mdp_cmd_wait4pingpong(struct mdss_mdp_ctl *ctl, void *arg)
}
if (rc <= 0) {
pr_err("%s: wait4pingpong timed out. ctl=%d rc=%d cnt=%d\n",
pr_err("%s:wait4pingpong timed out ctl=%d rc=%d cnt=%d koff_cnt=%d\n",
__func__,
ctl->num, rc, ctx->pp_timeout_report_cnt);
ctl->num, rc, ctx->pp_timeout_report_cnt,
atomic_read(&ctx->koff_cnt));
if (ctx->pp_timeout_report_cnt == 0) {
MDSS_XLOG(0xbad);
MDSS_XLOG_TOUT_HANDLER("mdp", "dsi0_ctrl", "dsi0_phy",