diff options
Diffstat (limited to 'drivers/video/via/viafbdev.c')
| -rw-r--r-- | drivers/video/via/viafbdev.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 94ade1f9ff72..61e652cb2138 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -1821,11 +1821,29 @@ static void viafb_remove_proc(struct proc_dir_entry *viafb_entry) remove_proc_entry("viafb", NULL); } +static void parse_mode(const char *str, u32 *xres, u32 *yres) +{ + char *ptr; + + *xres = simple_strtoul(str, &ptr, 10); + if (ptr[0] != 'x') + goto out_default; + + *yres = simple_strtoul(&ptr[1], &ptr, 10); + if (ptr[0]) + goto out_default; + + return; + +out_default: + printk(KERN_WARNING "viafb received invalid mode string: %s\n", str); + *xres = 640; + *yres = 480; +} + static int __devinit via_pci_probe(void) { - unsigned long default_xres, default_yres; - char *tmpc, *tmpm; - char *tmpc_sec, *tmpm_sec; + u32 default_xres, default_yres; int vmode_index; u32 viafb_par_length; @@ -1902,26 +1920,14 @@ static int __devinit via_pci_probe(void) viafb_second_size * 1024 * 1024; } - tmpm = viafb_mode; - tmpc = strsep(&tmpm, "x"); - strict_strtoul(tmpc, 0, &default_xres); - strict_strtoul(tmpm, 0, &default_yres); - + parse_mode(viafb_mode, &default_xres, &default_yres); vmode_index = viafb_get_mode_index(default_xres, default_yres); DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index); if (viafb_SAMM_ON == 1) { - if (strcmp(viafb_mode, viafb_mode1)) { - tmpm_sec = viafb_mode1; - tmpc_sec = strsep(&tmpm_sec, "x"); - strict_strtoul(tmpc_sec, 0, - (unsigned long *)&viafb_second_xres); - strict_strtoul(tmpm_sec, 0, - (unsigned long *)&viafb_second_yres); - } else { - viafb_second_xres = default_xres; - viafb_second_yres = default_yres; - } + parse_mode(viafb_mode1, &viafb_second_xres, + &viafb_second_yres); + if (0 == viafb_second_virtual_xres) { switch (viafb_second_xres) { case 1400: |