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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-03-16 03:10:21 +0300 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2024-03-16 10:29:48 +0300 |
| commit | 152609795dbf02f004c86049b75c23f4e68071d8 (patch) | |
| tree | adfbdcac4146a4e20221d351d1eef16b9ad49a7a /include/linux/fb.h | |
| parent | bc87bb342f106a0402186bcb588fcbe945dced4b (diff) | |
| download | linux-152609795dbf02f004c86049b75c23f4e68071d8.tar.xz | |
fbcon: Increase maximum font width x height to 64 x 128
By using bitmaps we actually support whatever size we would want, but
the console currently limits fonts to 64x128 (which gives 60x16 text on
4k screens), so we don't need more for now, and we can easily increase
later.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'include/linux/fb.h')
| -rw-r--r-- | include/linux/fb.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h index 05dc9624897d..7d7c7791fd26 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -143,9 +143,13 @@ struct fb_event { void *data; }; +/* Enough for the VT console needs, see its max_font_width/height */ +#define FB_MAX_BLIT_WIDTH 64 +#define FB_MAX_BLIT_HEIGHT 128 + struct fb_blit_caps { - u32 x; - u32 y; + DECLARE_BITMAP(x, FB_MAX_BLIT_WIDTH); + DECLARE_BITMAP(y, FB_MAX_BLIT_HEIGHT); u32 len; u32 flags; }; @@ -192,10 +196,12 @@ struct fb_pixmap { u32 scan_align; /* alignment per scanline */ u32 access_align; /* alignment per read/write (bits) */ u32 flags; /* see FB_PIXMAP_* */ - u32 blit_x; /* supported bit block dimensions (1-32)*/ - u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ - /* blit_y = 1 << (height - 1) */ - /* if 0, will be set to 0xffffffff (all)*/ + /* supported bit block dimensions */ + /* Format: test_bit(width - 1, blit_x) */ + /* test_bit(height - 1, blit_y) */ + /* if zero, will be set to full (all) */ + DECLARE_BITMAP(blit_x, FB_MAX_BLIT_WIDTH); + DECLARE_BITMAP(blit_y, FB_MAX_BLIT_HEIGHT); /* access methods */ void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); |