msm_fb: hdmi: CEC re-transmission improvements.
Adding some improvements to HDMI CEC code flow to
reduce the risk of system crash and compliance
failure by proper CEC resiters settings and positions
in code flow.
CRs-fixed: 336541
Change-Id: I8fb3510190e5c4ff83b3785c51bade139f20692c
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
diff --git a/drivers/video/msm/external_common.c b/drivers/video/msm/external_common.c
index f6e43bf..061e69c 100644
--- a/drivers/video/msm/external_common.c
+++ b/drivers/video/msm/external_common.c
@@ -526,7 +526,7 @@
if (hdmi_msm_state->fsm_reset_done)
retry++;
mutex_unlock(&hdmi_msm_state_mutex);
- msleep(360);
+ msleep(20);
} else
break;
}
diff --git a/drivers/video/msm/hdmi_msm.c b/drivers/video/msm/hdmi_msm.c
index 918f8f2..d3bb4c7 100644
--- a/drivers/video/msm/hdmi_msm.c
+++ b/drivers/video/msm/hdmi_msm.c
@@ -132,12 +132,6 @@
| HDMI_MSM_CEC_REFTIMER_REFTIMER(27 * 50)
);
- /* 0x02A4 CEC_TIME */
- HDMI_OUTP(0x02A4,
- HDMI_MSM_CEC_TIME_SIGNAL_FREE_TIME(350)
- | HDMI_MSM_CEC_TIME_ENABLE
- );
-
/*
* 0x02A0 CEC_ADDR
* Starting with a default address of 4
@@ -227,8 +221,13 @@
/* 0x0294 HDMI_MSM_CEC_RETRANSMIT */
HDMI_OUTP(0x0294,
+#ifdef DRVR_ONLY_CECT_NO_DAEMON
HDMI_MSM_CEC_RETRANSMIT_NUM(msg->retransmit)
| (msg->retransmit > 0) ? HDMI_MSM_CEC_RETRANSMIT_ENABLE : 0);
+#else
+ HDMI_MSM_CEC_RETRANSMIT_NUM(0) |
+ HDMI_MSM_CEC_RETRANSMIT_ENABLE);
+#endif
/* 0x028C CEC_CTRL */
HDMI_OUTP(0x028C, 0x1 | msg->frame_size << 4);
diff --git a/drivers/video/msm/hdmi_msm.h b/drivers/video/msm/hdmi_msm.h
index 9675fd5..5195f2c 100644
--- a/drivers/video/msm/hdmi_msm.h
+++ b/drivers/video/msm/hdmi_msm.h
@@ -98,7 +98,7 @@
#define CEC_QUEUE_SIZE 16
#define CEC_QUEUE_END (hdmi_msm_state->cec_queue_start + CEC_QUEUE_SIZE)
-#define RETRANSMIT_MAX_NUM 7
+#define RETRANSMIT_MAX_NUM 5
#endif /* CONFIG_FB_MSM_HDMI_MSM_PANEL_CEC_SUPPORT */
int irq;