diff mbox series

[2/2] fbdev: fbmem: add config option to center the bootup logo

Message ID 20181126215725.2548-3-peda@axentia.se (mailing list archive)
State New, archived
Headers show
Series add config option to center the bootup logo | expand

Commit Message

Peter Rosin Nov. 26, 2018, 9:57 p.m. UTC
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>
---
 drivers/video/fbdev/core/fbmem.c | 25 ++++++++++++++++++++++++-
 drivers/video/logo/Kconfig       |  9 +++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

Comments

Bartlomiej Zolnierkiewicz Dec. 20, 2018, 5:38 p.m. UTC | #1
On 11/26/2018 10:57 PM, Peter Rosin wrote:
> 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>

Patch queued for 4.21, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
Geert Uytterhoeven Jan. 6, 2019, 9:33 a.m. UTC | #2
Hi Peter,

On Mon, Nov 26, 2018 at 10:59 PM Peter Rosin <peda@axentia.se> wrote:
> 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>

> --- a/drivers/video/logo/Kconfig
> +++ b/drivers/video/logo/Kconfig
> @@ -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.
> +

Isn't a kernel command line option more suitable to configure the position
of the logo?

Gr{oetje,eeting}s,

                        Geert
diff mbox series

Patch

diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 43d4047f472a..fdbad029e5e6 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -502,8 +502,25 @@  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;
 
@@ -600,6 +617,7 @@  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));
 
@@ -661,7 +679,12 @@  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)
diff --git a/drivers/video/logo/Kconfig b/drivers/video/logo/Kconfig
index d1f6196c8b9a..1e972c4e88b1 100644
--- a/drivers/video/logo/Kconfig
+++ b/drivers/video/logo/Kconfig
@@ -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