target/linux/s3c24xx/patches-2.6.26/0108-fix-glamofb-cmdqueue-timeout.patch.patch

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