int display_fg = (*default_mode)->vc_num;
int logo = 1, rows, cols, charcnt = 256;
unsigned short *save = NULL, *r, *q;
+ int cap = info->flags;
- if (vc->vc_num != display_fg || (info->flags & FBINFO_FLAG_MODULE) ||
+ if (vc->vc_num != display_fg || (info->flags & FBINFO_MODULE) ||
(info->fix.type == FB_TYPE_TEXT))
logo = 0;
rows = info->var.yres / vc->vc_font.height;
vc_resize(vc->vc_num, cols, rows);
- if (info->var.accel_flags)
- p->scrollmode = SCROLL_YNOMOVE;
- else
- p->scrollmode = SCROLL_YREDRAW;
+ if ((cap & FBINFO_HWACCEL_COPYAREA) && !(cap & FBINFO_HWACCEL_DISABLED))
+ p->scrollmode = SCROLL_ACCEL;
+ else /* default to something safe */
+ p->scrollmode = SCROLL_REDRAW;
/*
* ++guenther: console.c:vc_allocate() relies on initializing
{
struct fb_info *info = registered_fb[(int) con2fb_map[vc->vc_num]];
struct display *p = &fb_display[vc->vc_num];
- int scroll_partial = !(p->scrollmode & __SCROLL_YNOPARTIAL);
+ int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
if (!info->fbops->fb_blank && console_blanked)
return 0;
fbcon_softback_note(vc, t, count);
if (logo_shown >= 0)
goto redraw_up;
- switch (p->scrollmode & __SCROLL_YMASK) {
- case __SCROLL_YMOVE:
+ switch (p->scrollmode) {
+ case SCROLL_ACCEL:
accel_bmove(vc, info, t + count, 0, t, 0,
b - t - count, vc->vc_cols);
accel_clear(vc, info, b - count, 0, count,
vc->vc_cols);
break;
- case __SCROLL_YWRAP:
+ case SCROLL_WRAP:
if (b - t - count > 3 * vc->vc_rows >> 2) {
if (t > 0)
fbcon_bmove(vc, 0, 0, count, 0, t,
fbcon_bmove(vc, b - count, 0, b, 0,
vc->vc_rows - b,
vc->vc_cols);
- } else if (p->scrollmode & __SCROLL_YPANREDRAW)
- goto redraw_up;
- else
+ } else if (info->flags & FBINFO_READS_FAST)
fbcon_bmove(vc, t + count, 0, t, 0,
b - t - count, vc->vc_cols);
+ else
+ goto redraw_up;
fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
break;
- case __SCROLL_YPAN:
+ case SCROLL_PAN:
if ((p->yscroll + count <=
2 * (p->vrows - vc->vc_rows))
&& ((!scroll_partial && (b - t == vc->vc_rows))
fbcon_bmove(vc, b - count, 0, b, 0,
vc->vc_rows - b,
vc->vc_cols);
- } else if (p->scrollmode & __SCROLL_YPANREDRAW)
- goto redraw_up;
- else
+ } else if (info->flags & FBINFO_READS_FAST)
fbcon_bmove(vc, t + count, 0, t, 0,
b - t - count, vc->vc_cols);
+ else
+ goto redraw_up;
fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
break;
- case __SCROLL_YREDRAW:
+ case SCROLL_REDRAW:
redraw_up:
fbcon_redraw(vc, p, t, b - t - count,
count * vc->vc_cols);
case SM_DOWN:
if (count > vc->vc_rows) /* Maximum realistic size */
count = vc->vc_rows;
- switch (p->scrollmode & __SCROLL_YMASK) {
- case __SCROLL_YMOVE:
+ switch (p->scrollmode) {
+ case SCROLL_ACCEL:
accel_bmove(vc, info, t, 0, t + count, 0,
b - t - count, vc->vc_cols);
accel_clear(vc, info, t, 0, count, vc->vc_cols);
break;
- case __SCROLL_YWRAP:
+ case SCROLL_WRAP:
if (b - t - count > 3 * vc->vc_rows >> 2) {
if (vc->vc_rows - b > 0)
fbcon_bmove(vc, b, 0, b - count, 0,
if (t > 0)
fbcon_bmove(vc, count, 0, 0, 0, t,
vc->vc_cols);
- } else if (p->scrollmode & __SCROLL_YPANREDRAW)
- goto redraw_down;
- else
+ } else if (info->flags & FBINFO_READS_FAST)
fbcon_bmove(vc, t, 0, t + count, 0,
b - t - count, vc->vc_cols);
+ else
+ goto redraw_down;
fbcon_clear(vc, t, 0, count, vc->vc_cols);
break;
- case __SCROLL_YPAN:
+ case SCROLL_PAN:
if ((count - p->yscroll <= p->vrows - vc->vc_rows)
&& ((!scroll_partial && (b - t == vc->vc_rows))
|| (scroll_partial
if (t > 0)
fbcon_bmove(vc, count, 0, 0, 0, t,
vc->vc_cols);
- } else if (p->scrollmode & __SCROLL_YPANREDRAW)
- goto redraw_down;
- else
+ } else if (info->flags & FBINFO_READS_FAST)
fbcon_bmove(vc, t, 0, t + count, 0,
b - t - count, vc->vc_cols);
+ else
+ goto redraw_down;
fbcon_clear(vc, t, 0, count, vc->vc_cols);
break;
- case __SCROLL_YREDRAW:
+ case SCROLL_REDRAW:
redraw_down:
fbcon_redraw(vc, p, b - 1, b - t - count,
-count * vc->vc_cols);
static __inline__ void updatescrollmode(struct display *p, struct fb_info *info, struct vc_data *vc)
{
- int m;
-
- if (p->scrollmode & __SCROLL_YFIXED)
- return;
- if (divides(info->fix.ywrapstep, vc->vc_font.height) &&
- divides(vc->vc_font.height, info->var.yres_virtual))
- m = __SCROLL_YWRAP;
- else if (divides(info->fix.ypanstep, vc->vc_font.height) &&
- info->var.yres_virtual >= info->var.yres + vc->vc_font.height)
- m = __SCROLL_YPAN;
- else if (p->scrollmode & __SCROLL_YNOMOVE)
- m = __SCROLL_YREDRAW;
- else
- m = __SCROLL_YMOVE;
- p->scrollmode = (p->scrollmode & ~__SCROLL_YMASK) | m;
+ int cap = info->flags;
+ int good_pan = (cap & FBINFO_HWACCEL_YPAN)
+ && divides(info->fix.ypanstep, vc->vc_font.height)
+ && info->var.yres_virtual >= 2*info->var.yres;
+ int good_wrap = (cap & FBINFO_HWACCEL_YWRAP)
+ && divides(info->fix.ywrapstep, vc->vc_font.height)
+ && divides(vc->vc_font.height, info->var.yres_virtual);
+ int reading_fast = cap & FBINFO_READS_FAST;
+ int fast_copyarea = (cap & FBINFO_HWACCEL_COPYAREA) && !(cap & FBINFO_HWACCEL_DISABLED);
+
+ if (good_wrap || good_pan) {
+ if (reading_fast || fast_copyarea)
+ p->scrollmode = good_wrap ? SCROLL_WRAP : SCROLL_PAN;
+ else
+ p->scrollmode = SCROLL_REDRAW;
+ } else {
+ if (reading_fast || fast_copyarea)
+ p->scrollmode = SCROLL_ACCEL;
+ else
+ p->scrollmode = SCROLL_REDRAW;
+ }
}
static int fbcon_resize(struct vc_data *vc, unsigned int width,
if (!info->fbops->fb_set_par)
return -EINVAL;
- sprintf(mode, "%dx%d", var.xres, var.yres);
- err = fb_find_mode(&var, info, mode, NULL, 0, NULL,
- info->var.bits_per_pixel);
+ snprintf(mode, 40, "%ix%i", var.xres, var.yres);
+ err = fb_find_mode(&var, info, mode, info->monspecs.modedb,
+ info->monspecs.modedb_len, NULL,
+ info->var.bits_per_pixel);
if (!err || width > var.xres/fw || height > var.yres/fh)
return -EINVAL;
DPRINTK("resize now %ix%i\n", var.xres, var.yres);
}
if (info)
info->var.yoffset = p->yscroll = 0;
- fbcon_resize(vc, vc->vc_cols, vc->vc_rows);
- switch (p->scrollmode & __SCROLL_YMASK) {
- case __SCROLL_YWRAP:
+ fbcon_resize(vc, vc->vc_cols, vc->vc_rows);
+ switch (p->scrollmode) {
+ case SCROLL_WRAP:
scrollback_phys_max = p->vrows - vc->vc_rows;
break;
- case __SCROLL_YPAN:
+ case SCROLL_PAN:
scrollback_phys_max = p->vrows - 2 * vc->vc_rows;
if (scrollback_phys_max < 0)
scrollback_phys_max = 0;
offset = p->yscroll - scrollback_current;
limit = p->vrows;
- switch (p->scrollmode && __SCROLL_YMASK) {
- case __SCROLL_YWRAP:
+ switch (p->scrollmode) {
+ case SCROLL_WRAP:
info->var.vmode |= FB_VMODE_YWRAP;
break;
- case __SCROLL_YPAN:
+ case SCROLL_PAN:
limit -= vc->vc_rows;
info->var.vmode &= ~FB_VMODE_YWRAP;
break;
git://git.onelab.eu / linux-2.6.git / blobdiff