diff options
Diffstat (limited to 'payloads/libpayload/drivers/video/corebootfb.c')
| -rw-r--r-- | payloads/libpayload/drivers/video/corebootfb.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/payloads/libpayload/drivers/video/corebootfb.c b/payloads/libpayload/drivers/video/corebootfb.c index c4b50480dd..8e7ac11540 100644 --- a/payloads/libpayload/drivers/video/corebootfb.c +++ b/payloads/libpayload/drivers/video/corebootfb.c @@ -236,8 +236,16 @@ static int corebootfb_init(void) font_init(FI->x_resolution); - coreboot_video_console.columns = FI->x_resolution / font_width; - coreboot_video_console.rows = FI->y_resolution / font_height; + /* Draw centered on the framebuffer if requested and feasible, */ + const int center = + IS_ENABLED(CONFIG_LP_COREBOOT_VIDEO_CENTERED) + && coreboot_video_console.columns * font_width <= FI->x_resolution + && coreboot_video_console.rows * font_height <= FI->y_resolution; + /* adapt to the framebuffer size, otherwise. */ + if (!center) { + coreboot_video_console.columns = FI->x_resolution / font_width; + coreboot_video_console.rows = FI->y_resolution / font_height; + } chars = malloc(coreboot_video_console.rows * coreboot_video_console.columns * 2); @@ -246,6 +254,17 @@ static int corebootfb_init(void) // clear boot splash screen if there is one. corebootfb_clear(); + + if (center) { + FI->physical_address += + (FI->x_resolution - coreboot_video_console.columns * font_width) + / 2 * FI->bits_per_pixel / 8 + + (FI->y_resolution - coreboot_video_console.rows * font_height) + / 2 * FI->bytes_per_line; + FI->x_resolution = coreboot_video_console.columns * font_width; + FI->y_resolution = coreboot_video_console.rows * font_height; + } + return 0; } |