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git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
"One potential buffer overflow fix in the framebuffer registration
function, some fixes for the imxfb, nvidiafb and simplefb drivers, and
a bunch of cleanups for fbcon, kyrofb and svgalib.
Framework fixes:
- fix potential buffer overflow in do_register_framebuffer() [Yongzhen Zhang]
Driver fixes:
- imxfb: prevent null-ptr-deref [Chenyuan Yang]
- nvidiafb: fix build on 32-bit ARCH=um [Johannes Berg]
- nvidiafb: add depends on HAS_IOPORT [Randy Dunlap]
- simplefb: Use of_reserved_mem_region_to_resource() for "memory-region" [Rob Herring]
Cleanups:
- fbcon: various code cleanups wrt blinking [Ville Syrjälä]
- kyrofb: Convert to devm_*() functions [Giovanni Di Santi]
- svgalib: Coding style cleanups [Darshan R.]
- Fix typo in Kconfig text for FB_DEVICE [Daniel Palmer]"
* tag 'fbdev-for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbcon: Use 'bool' where appopriate
fbcon: Introduce get_{fg,bg}_color()
fbcon: fbcon_is_inactive() -> fbcon_is_active()
fbcon: fbcon_cursor_noblink -> fbcon_cursor_blink
fbdev: Fix typo in Kconfig text for FB_DEVICE
fbdev: imxfb: Check fb_add_videomode to prevent null-ptr-deref
fbdev: svgalib: Clean up coding style
fbdev: kyro: Use devm_ioremap_wc() for screen mem
fbdev: kyro: Use devm_ioremap() for mmio registers
fbdev: kyro: Add missing PCI memory region request
fbdev: simplefb: Use of_reserved_mem_region_to_resource() for "memory-region"
fbdev: fix potential buffer overflow in do_register_framebuffer()
fbdev: nvidiafb: add depends on HAS_IOPORT
fbdev: nvidiafb: fix build on 32-bit ARCH=um
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This patch addresses various coding style issues in `svgalib.c` to improve
readability and better align the code with the Linux kernel's formatting
standards.
The changes primarily consist of:
- Adjusting whitespace around operators and after keywords.
- Standardizing brace placement for control flow statements.
- Removing unnecessary braces on single-statement if/else blocks.
- Deleting extraneous blank lines throughout the file.
These changes are purely stylistic and introduce no functional modifications.
Signed-off-by: Darshan R. <rathod.darshan.0896@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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Fix the compile-time warnings
drivers/video/fbdev/core/cfbcopyarea.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/cfbfillrect.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/cfbimgblt.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/fb_ddc.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/fb_defio.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/fb_io_fops.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/fb_sys_fops.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/fbcmap.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/fbcon.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/fbmon.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/modedb.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/svgalib.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/syscopyarea.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/sysfillrect.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/core/sysimgblt.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/macmodes.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/sbuslib.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/video/fbdev/wmt_ge_rops.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Fixes: a934a57a42f6 ("scripts/misc-check: check missing #include <linux/export.h> when W=1")
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20250612081738.197826-3-tzimmermann@suse.de
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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>
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abs_diff() belongs to math.h. Move it there. This will allow others to
use it.
[andriy.shevchenko@linux.intel.com: add abs_diff() documentation]
Link: https://lkml.kernel.org/r/20230804050934.83223-1-andriy.shevchenko@linux.intel.com
[akpm@linux-foundation.org: fix comment, per Randy]
Link: https://lkml.kernel.org/r/20230803131918.53727-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org> # tty/serial
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> # gpu/ipu-v3
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@gmail.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Instead of having fbdev framework core files at the root fbdev
directory, mixed with random fbdev device drivers, move the fbdev core
files to a separate core directory. This makes it much clearer which of
the files are actually part of the fbdev framework, and which are part
of device drivers.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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