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viafb: avoid refresh and mode lookup in set_par

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As check_var already ensures that the mode is valid there is no need
to do those expensive lookups here again. The only thing that might
change is that the deprecated interface could report slightly
different refresh rates due to rounding errors.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Florian Tobias Schandinat
2012-02-26 10:51:51 +00:00
parent 9864ca20c5
commit 838ac785d5
1 changed files with 14 additions and 18 deletions
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drivers/video/via/viafbdev.c
+14 -18
View File
@@ -287,26 +287,22 @@ static int viafb_set_par(struct fb_info *info)
viafb_second_yres, viafb_bpp1, 1);
}
refresh = viafb_get_refresh(info->var.xres, info->var.yres,
get_var_refresh(&info->var));
if (viafb_get_best_mode(viafbinfo->var.xres, viafbinfo->var.yres,
refresh)) {
if (viafb_dual_fb && viapar->iga_path == IGA2) {
viafb_bpp1 = info->var.bits_per_pixel;
viafb_refresh1 = refresh;
} else {
viafb_bpp = info->var.bits_per_pixel;
viafb_refresh = refresh;
}
if (info->var.accel_flags & FB_ACCELF_TEXT)
info->flags &= ~FBINFO_HWACCEL_DISABLED;
else
info->flags |= FBINFO_HWACCEL_DISABLED;
viafb_setmode();
viafb_pan_display(&info->var, info);
refresh = get_var_refresh(&info->var);
if (viafb_dual_fb && viapar->iga_path == IGA2) {
viafb_bpp1 = info->var.bits_per_pixel;
viafb_refresh1 = refresh;
} else {
viafb_bpp = info->var.bits_per_pixel;
viafb_refresh = refresh;
}
if (info->var.accel_flags & FB_ACCELF_TEXT)
info->flags &= ~FBINFO_HWACCEL_DISABLED;
else
info->flags |= FBINFO_HWACCEL_DISABLED;
viafb_setmode();
viafb_pan_display(&info->var, info);
return 0;
}