[PATCH 2/2] fbdev: fbmem: add config option to center the bootup logo
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STALE2821d
From: Peter Rosin <hidden>
Date: 2018-11-26 21:57:51
Also in:
dri-devel, lkml
Subsystem:
framebuffer core, framebuffer layer, the rest · Maintainers:
Simona Vetter, Helge Deller, Linus Torvalds
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 <redacted> --- drivers/video/fbdev/core/fbmem.c | 25 ++++++++++++++++++++++++- drivers/video/logo/Kconfig | 9 +++++++++ 2 files changed, 33 insertions(+), 1 deletion(-)
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
--
2.11.0