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fbdev: Make drivers depend on FB_TILEBLITTING

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The option CONFIG_FB_TILEBLITTING is controlled by the user. Selecting
it from drivers can lead to cyclic dependencies within the config. In
fbcon, there's special handling for tile blitting, which currently
cannot be disabled without first disabling the relevant fbdev drivers.
Fix the Kconfig dependency to make it work.

Some guidelines for using select can be found in the kernel docs at [1].

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://elixir.bootlin.com/linux/v6.16/source/Documentation/kbuild/kconfig-language.rst#L147 # [1]
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20250909132047.152612-2-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2025-09-09 15:19:30 +02:00
parent 3a33c48876
commit b9247c4e3f
1 changed files with 4 additions and 4 deletions
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8
drivers/video/fbdev/Kconfig
View File

@ -816,11 +816,11 @@ config FB_I810_I2C
config FB_MATROX
tristate "Matrox acceleration"
depends on FB && PCI
depends on FB_TILEBLITTING
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_IOMEM_FOPS
select FB_TILEBLITTING
select FB_MACMODES if PPC_PMAC
help
Say Y here if you have a Matrox Millennium, Matrox Millennium II,
@ -1053,11 +1053,11 @@ config FB_ATY_BACKLIGHT
config FB_S3
tristate "S3 Trio/Virge support"
depends on FB && PCI && HAS_IOPORT
depends on FB_TILEBLITTING
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_IOMEM_FOPS
select FB_TILEBLITTING
select FB_SVGALIB
select VGASTATE
select FONT_8x16 if FRAMEBUFFER_CONSOLE
@ -1258,11 +1258,11 @@ config FB_VOODOO1
config FB_VT8623
tristate "VIA VT8623 support"
depends on FB && PCI && HAS_IOPORT
depends on FB_TILEBLITTING
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_IOMEM_FOPS
select FB_TILEBLITTING
select FB_SVGALIB
select VGASTATE
select FONT_8x16 if FRAMEBUFFER_CONSOLE
@ -1296,11 +1296,11 @@ config FB_TRIDENT
config FB_ARK
tristate "ARK 2000PV support"
depends on FB && PCI && HAS_IOPORT
depends on FB_TILEBLITTING
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_IOMEM_FOPS
select FB_TILEBLITTING
select FB_SVGALIB
select VGASTATE
select FONT_8x16 if FRAMEBUFFER_CONSOLE