[PATCH] i810fb: Fix default monitor sync timings

- Increase error message verbosity with respect to monitor timings.

- Fix default sync timings

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index 9ec8781794c0..e04d3e8b2549 100644
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -999,8 +999,14 @@ static int i810_check_params(struct fb_var_screeninfo *var,
         info->monspecs.dclkmin = 15000000;
 
         if (fb_validate_mode(var, info)) {
-                if (fb_get_mode(FB_MAXTIMINGS, 0, var, info))
+                if (fb_get_mode(FB_MAXTIMINGS, 0, var, info)) {
+                        int default_sync = (hsync1-HFMIN)|(hsync2-HFMAX)
+                                            |(vsync1-VFMIN)|(vsync2-VFMAX);
+                        printk("i810fb: invalid video mode%s\n",
+                            default_sync ? "" :
+                            ". Specifying vsyncN/hsyncN parameters may help");
                         return -EINVAL;
+                }
         }
         
         var->xres = xres;
@@ -2023,10 +2029,10 @@ MODULE_PARM_DESC(vyres, "Virtual vertical resolution in scanlines"
                  " (default = 480)");
 module_param(hsync1, int, 0);
 MODULE_PARM_DESC(hsync1, "Minimum horizontal frequency of monitor in KHz"
-                 " (default = 31)");
+                 " (default = 29)");
 module_param(hsync2, int, 0);
 MODULE_PARM_DESC(hsync2, "Maximum horizontal frequency of monitor in KHz"
-                 " (default = 31)");
+                 " (default = 30)");
 module_param(vsync1, int, 0);
 MODULE_PARM_DESC(vsync1, "Minimum vertical frequency of monitor in Hz"
                  " (default = 50)");