1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
From 4ff23f7fca984270079de89abaca26e299a97b82 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@openmoko.com>
Date: Fri, 25 Jul 2008 23:06:04 +0100
Subject: [PATCH] fix-glamofb-cmdqueue-timeout.patch
loglevl=9 can cause failure to init glamo-fb
problem seems to be too low timeout when text scrolling can
delay commandqueue going empty
Signed-off-by: Andy Green <andy@openmoko.com>
---
drivers/mfd/glamo/glamo-fb.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mfd/glamo/glamo-fb.c b/drivers/mfd/glamo/glamo-fb.c
index f0d7600..87c7420 100644
--- a/drivers/mfd/glamo/glamo-fb.c
+++ b/drivers/mfd/glamo/glamo-fb.c
@@ -548,12 +548,13 @@ static int glamofb_cursor(struct fb_info *info, struct fb_cursor *cursor)
static inline int glamofb_cmdq_empty(struct glamofb_handle *gfb)
{
+ /* DGCMdQempty -- 1 == command queue is empty */
return reg_read(gfb, GLAMO_REG_LCD_STATUS1) & (1 << 15);
}
void glamofb_cmd_mode(struct glamofb_handle *gfb, int on)
{
- int timeout = 2000;
+ int timeout = 20000;
dev_dbg(gfb->dev, "glamofb_cmd_mode(gfb=%p, on=%d)\n", gfb, on);
if (on) {
@@ -605,7 +606,7 @@ EXPORT_SYMBOL_GPL(glamofb_cmd_mode);
int glamofb_cmd_write(struct glamofb_handle *gfb, u_int16_t val)
{
- int timeout = 2000;
+ int timeout = 20000;
dev_dbg(gfb->dev, "%s: waiting for cmdq empty\n",
__FUNCTION__);
--
1.5.6.3
|
