From: Sandor Yu <R01008@freescale.com>
Date: Thu, 31 May 2012 02:34:13 +0000 (+0800)
Subject: ENGR00211838 MX6 HDMI packet overflow workaround from Synopsys
X-Git-Tag: v3.0.35-fsl~950
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0b208f4a5bb576dad7b64de67e45f78724c44402;p=karo-tx-linux.git

ENGR00211838 MX6 HDMI packet overflow workaround from Synopsys

Update HDMI packet overflow workaround for Rigel and Airk.

Signed-off-by: Sandor Yu <R01008@freescale.com>
---

diff --git a/drivers/video/mxc_hdmi.c b/drivers/video/mxc_hdmi.c
index 41c1aa96ebd2..5ef2c9f2e923 100644
--- a/drivers/video/mxc_hdmi.c
+++ b/drivers/video/mxc_hdmi.c
@@ -1485,14 +1485,18 @@ static void mxc_hdmi_clear_overflow(void)
 	int count;
 	u8 val;
 
+	/* TMDS software reset */
+	hdmi_writeb((u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ);
+
 	val = hdmi_readb(HDMI_FC_INVIDCONF);
 
+	if (cpu_is_mx6dl()) {
+		 hdmi_writeb(val, HDMI_FC_INVIDCONF);
+		 return;
+	}
+
 	for (count = 0 ; count < 5 ; count++)
 		hdmi_writeb(val, HDMI_FC_INVIDCONF);
-
-	/* TMDS software reset */
-	if (!cpu_is_mx6dl())
-		hdmi_writeb((u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ);
 }
 
 static void hdmi_enable_overflow_interrupts(void)