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fbdev: fbmem: add config option to center the bootup logo

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If there are extra logos (CONFIG_FB_LOGO_EXTRA) the heights of these
extra logos are not considered when centering the first logo vertically.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
This commit is contained in:
Peter Rosin 2018-12-20 19:13:08 +01:00 committed by Bartlomiej Zolnierkiewicz
parent e41f184d83
commit 3d8b1933eb
2 changed files with 33 additions and 1 deletions
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25
drivers/video/fbdev/core/fbmem.c
View File

@ -506,8 +506,25 @@ static int fb_show_logo_line(struct fb_info *info, int rotate,
fb_set_logo(info, logo, logo_new, fb_logo.depth);
}
#ifdef CONFIG_FB_LOGO_CENTER
{
int xres = info->var.xres;
int yres = info->var.yres;
if (rotate == FB_ROTATE_CW || rotate == FB_ROTATE_CCW) {
xres = info->var.yres;
yres = info->var.xres;
}
while (n && (n * (logo->width + 8) - 8 > xres))
--n;
image.dx = (xres - n * (logo->width + 8) - 8) / 2;
image.dy = y ?: (yres - logo->height) / 2;
}
#else
image.dx = 0;
image.dy = y;
#endif
image.width = logo->width;
image.height = logo->height;
@ -604,6 +621,7 @@ int fb_prepare_logo(struct fb_info *info, int rotate)
{
int depth = fb_get_color_depth(&info->var, &info->fix);
unsigned int yres;
int height;
memset(&fb_logo, 0, sizeof(struct logo_data));
@ -665,7 +683,12 @@ int fb_prepare_logo(struct fb_info *info, int rotate)
}
}
return fb_prepare_extra_logos(info, fb_logo.logo->height, yres);
height = fb_logo.logo->height;
#ifdef CONFIG_FB_LOGO_CENTER
height += (yres - fb_logo.logo->height) / 2;
#endif
return fb_prepare_extra_logos(info, height, yres);
}
int fb_show_logo(struct fb_info *info, int rotate)

9
drivers/video/logo/Kconfig
View File

@ -10,6 +10,15 @@ menuconfig LOGO
if LOGO
config FB_LOGO_CENTER
bool "Center the logo"
depends on FB=y
help
When this option is selected, the bootup logo is centered both
horizontally and vertically. If more than one logo is displayed
due to multiple CPUs, the collected line of logos is centered
as a whole.
config FB_LOGO_EXTRA
bool
depends on FB=y