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Merge tag 'fbdev-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

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Pull fbdev updates from Helge Deller:

 - Allow console fonts up to 64x128 pixels (Samuel Thibault)

 - Prevent division-by-zero in fb monitor code (Roman Smirnov)

 - Drop Renesas ARM platforms from Mobile LCDC framebuffer driver (Geert
   Uytterhoeven)

 - Various code cleanups in viafb, uveafb and mb862xxfb drivers by
   Aleksandr Burakov, Li Zhijian and Michael Ellerman

* tag 'fbdev-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: panel-tpo-td043mtea1: Convert sprintf() to sysfs_emit()
  fbmon: prevent division by zero in fb_videomode_from_videomode()
  fbcon: Increase maximum font width x height to 64 x 128
  fbdev: viafb: fix typo in hw_bitblt_1 and hw_bitblt_2
  fbdev: mb862xxfb: Fix defined but not used error
  fbdev: uvesafb: Convert sprintf/snprintf to sysfs_emit
  fbdev: Restrict FB_SH_MOBILE_LCDC to SuperH
This commit is contained in:
Linus Torvalds
2024-03-22 10:09:08 -07:00
parent 4073195aff 763865fed8
commit 4f55aa85a8
18 changed files with 110 additions and 70 deletions
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18
include/linux/fb.h
View File

@@ -145,9 +145,13 @@ 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;
};
@@ -194,10 +198,12 @@ 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);

3
include/linux/font.h
View File

@@ -57,7 +57,8 @@ extern const struct font_desc *find_font(const char *name);
/* Get the default font for a specific screen size */
extern const struct font_desc *get_default_font(int xres, int yres,
u32 font_w, u32 font_h);
unsigned long *font_w,
unsigned long *font_h);
/* Max. length for the name of a predefined font */
#define MAX_FONT_NAME 32