From 0305298405bd7018e5c520bdd5ea46a75be09f37 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 18 Dec 2006 14:49:01 -0800
Subject: [PATCH] Limit modes to 165Mhz on CH7009, according to spec.

---
 src/ch7xxx/ch7xxx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ch7xxx/ch7xxx.c b/src/ch7xxx/ch7xxx.c
index e4b21f28..d31a38c6 100644
--- a/src/ch7xxx/ch7xxx.c
+++ b/src/ch7xxx/ch7xxx.c
@@ -157,6 +157,9 @@ ch7xxx_init(I2CDevPtr d)
 static ModeStatus
 ch7xxx_mode_valid(I2CDevPtr d, DisplayModePtr mode)
 {
+    if (mode->Clock > 165000)
+	return MODE_CLOCK_HIGH;
+
     return MODE_OK;
 }