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path: root/drivers/video/i810/i810_main.c
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Diffstat (limited to 'drivers/video/i810/i810_main.c')
-rw-r--r--drivers/video/i810/i810_main.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index 9ec8781794c..e04d3e8b254 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)");