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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-22 10:09:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-22 10:09:08 -0700
commit4f55aa85a8746e5e255c46c98c031e143605e2a0 (patch)
tree9f1de26d75174fb23183392a263cc1f971e80915 /drivers/video/fbdev/core/svgalib.c
parent4073195aff08a62c364057bdaaf17a35d7338803 (diff)
parent763865fed8641920791580901a7dd1f100aa9452 (diff)
downloadlinux-4f55aa85a8746e5e255c46c98c031e143605e2a0.tar.gz
Merge tag 'fbdev-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
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
Diffstat (limited to 'drivers/video/fbdev/core/svgalib.c')
-rw-r--r--drivers/video/fbdev/core/svgalib.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/video/fbdev/core/svgalib.c b/drivers/video/fbdev/core/svgalib.c
index 2cba158888ea4e..821b89a0a6453b 100644
--- a/drivers/video/fbdev/core/svgalib.c
+++ b/drivers/video/fbdev/core/svgalib.c
@@ -354,12 +354,19 @@ void svga_get_caps(struct fb_info *info, struct fb_blit_caps *caps,
{
if (var->bits_per_pixel == 0) {
/* can only support 256 8x16 bitmap */
- caps->x = 1 << (8 - 1);
- caps->y = 1 << (16 - 1);
+ bitmap_zero(caps->x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, caps->x);
+ bitmap_zero(caps->y, FB_MAX_BLIT_HEIGHT);
+ set_bit(16 - 1, caps->y);
caps->len = 256;
} else {
- caps->x = (var->bits_per_pixel == 4) ? 1 << (8 - 1) : ~(u32)0;
- caps->y = ~(u32)0;
+ if (var->bits_per_pixel == 4) {
+ bitmap_zero(caps->x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, caps->x);
+ } else {
+ bitmap_fill(caps->x, FB_MAX_BLIT_WIDTH);
+ }
+ bitmap_fill(caps->y, FB_MAX_BLIT_HEIGHT);
caps->len = ~(u32)0;
}
}