static u16 maxhf __devinitdata; /* maximum horizontal frequency */
static u16 vbemode __devinitdata; /* force use of a specific VBE mode */
static char *mode_option __devinitdata;
+static u8 dac_width = 6;
static struct uvesafb_ktask *uvfb_tasks[UVESAFB_TASKS_MAX];
static DEFINE_MUTEX(uvfb_lock);
var->blue.offset = 0;
var->transp.offset = 0;
- /*
- * We're assuming that we can switch the DAC to 8 bits. If
- * this proves to be incorrect, we'll update the fields
- * later in set_par().
- */
- if (par->vbe_ib.capabilities & VBE_CAP_CAN_SWITCH_DAC) {
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 0;
- } else {
- var->red.length = 6;
- var->green.length = 6;
- var->blue.length = 6;
- var->transp.length = 0;
- }
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->transp.length = 0;
}
}
if (vbemode) {
for (i = 0; i < par->vbe_modes_cnt; i++) {
if (par->vbe_modes[i].mode_id == vbemode) {
+ modeid = i;
+ uvesafb_setup_var(&info->var, info,
+ &par->vbe_modes[modeid]);
fb_get_mode(FB_VSYNCTIMINGS | FB_IGNOREMON, 60,
- &info->var, info);
+ &info->var, info);
/*
* With pixclock set to 0, the default BIOS
* timings will be used in set_par().
*/
info->var.pixclock = 0;
- modeid = i;
goto gotmode;
}
}
fb_videomode_to_var(&info->var, mode);
} else {
modeid = par->vbe_modes[0].mode_id;
+ uvesafb_setup_var(&info->var, info,
+ &par->vbe_modes[modeid]);
fb_get_mode(FB_VSYNCTIMINGS | FB_IGNOREMON, 60,
- &info->var, info);
+ &info->var, info);
+
goto gotmode;
}
}
if (modeid == -1)
return -EINVAL;
-gotmode:
uvesafb_setup_var(&info->var, info, &par->vbe_modes[modeid]);
+gotmode:
/*
* If we are not VBE3.0+ compliant, we're done -- the BIOS will
* ignore our timings anyway.
struct fb_info *info)
{
struct uvesafb_pal_entry entry;
- int shift = 16 - info->var.green.length;
+ int shift = 16 - dac_width;
int err = 0;
if (regno >= info->cmap.len)
static int uvesafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
{
struct uvesafb_pal_entry *entries;
- int shift = 16 - info->var.green.length;
+ int shift = 16 - dac_width;
int i, err = 0;
if (info->var.bits_per_pixel == 8) {
err = uvesafb_exec(task);
if (err || (task->t.regs.eax & 0xffff) != 0x004f ||
((task->t.regs.ebx & 0xff00) >> 8) != 8) {
- /*
- * We've failed to set the DAC palette format -
- * time to correct var.
- */
- info->var.red.length = 6;
- info->var.green.length = 6;
- info->var.blue.length = 6;
+ dac_width = 6;
+ } else {
+ dac_width = 8;
}
}
}
info->flags = FBINFO_FLAG_DEFAULT |
- (par->ypan) ? FBINFO_HWACCEL_YPAN : 0;
+ (par->ypan ? FBINFO_HWACCEL_YPAN : 0);
if (!par->ypan)
info->fbops->fb_pan_display = NULL;