linux-kernel - Re: [PATCH v2 1/1] fbdev: add HAS

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Message-ID: <d701de84-8ee3-40a5-9dc8-575f516560e8@gmx.de>
Date: Wed, 10 Apr 2024 15:24:57 +0200
From: Helge Deller <deller@....de>
To: Niklas Schnelle <schnelle@...ux.ibm.com>
Cc: linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 Arnd Bergmann <arnd@...nel.org>, Heiko Carstens <hca@...ux.ibm.com>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] fbdev: add HAS_IOPORT dependencies

On 4/10/24 12:56, Niklas Schnelle wrote:
> In a future patch HAS_IOPORT=n will disable inb()/outb() and friends at
> compile time. We thus need to add HAS_IOPORT as dependency for those
> drivers using them.
>
> Co-developed-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>

added to fbdev git tree.

Thanks!
Helge


> ---
> Note: This patch does not depend any not-yet-mainline HAS_IOPORT changes
> and may be merged via subsystem specific trees at your earliest
> convenience.
>
> v1 -> v2:
> - Add dependency for FB_ARC
>
>   drivers/video/fbdev/Kconfig | 22 +++++++++++-----------
>   1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
> index 197b6d5268e9..76bbfd3767da 100644
> --- a/drivers/video/fbdev/Kconfig
> +++ b/drivers/video/fbdev/Kconfig
> @@ -157,7 +157,7 @@ config FB_IMX
>
>   config FB_CYBER2000
>   	tristate "CyberPro 2000/2010/5000 support"
> -	depends on FB && PCI && (BROKEN || !SPARC64)
> +	depends on FB && PCI && HAS_IOPORT && (BROKEN || !SPARC64)
>   	select FB_IOMEM_HELPERS
>   	help
>   	  This enables support for the Integraphics CyberPro 20x0 and 5000
> @@ -245,7 +245,7 @@ config FB_FM2
>
>   config FB_ARC
>   	tristate "Arc Monochrome LCD board support"
> -	depends on FB && (X86 || COMPILE_TEST)
> +	depends on FB && HAS_IOPORT && (X86 || COMPILE_TEST)
>   	select FB_SYSMEM_HELPERS_DEFERRED
>   	help
>   	  This enables support for the Arc Monochrome LCD board. The board
> @@ -1046,7 +1046,7 @@ config FB_ATY_BACKLIGHT
>
>   config FB_S3
>   	tristate "S3 Trio/Virge support"
> -	depends on FB && PCI
> +	depends on FB && PCI && HAS_IOPORT
>   	select FB_CFB_FILLRECT
>   	select FB_CFB_COPYAREA
>   	select FB_CFB_IMAGEBLIT
> @@ -1107,7 +1107,7 @@ config FB_SAVAGE_ACCEL
>
>   config FB_SIS
>   	tristate "SiS/XGI display support"
> -	depends on FB && PCI
> +	depends on FB && PCI && HAS_IOPORT
>   	select BOOT_VESA_SUPPORT if FB_SIS = y
>   	select FB_CFB_FILLRECT
>   	select FB_CFB_COPYAREA
> @@ -1138,7 +1138,7 @@ config FB_SIS_315
>
>   config FB_VIA
>   	tristate "VIA UniChrome (Pro) and Chrome9 display support"
> -	depends on FB && PCI && GPIOLIB && I2C && (X86 || COMPILE_TEST)
> +	depends on FB && PCI && GPIOLIB && I2C && HAS_IOPORT && (X86 || COMPILE_TEST)
>   	select FB_CFB_FILLRECT
>   	select FB_CFB_COPYAREA
>   	select FB_CFB_IMAGEBLIT
> @@ -1177,7 +1177,7 @@ endif
>
>   config FB_NEOMAGIC
>   	tristate "NeoMagic display support"
> -	depends on FB && PCI
> +	depends on FB && PCI && HAS_IOPORT
>   	select FB_CFB_FILLRECT
>   	select FB_CFB_COPYAREA
>   	select FB_CFB_IMAGEBLIT
> @@ -1204,7 +1204,7 @@ config FB_KYRO
>
>   config FB_3DFX
>   	tristate "3Dfx Banshee/Voodoo3/Voodoo5 display support"
> -	depends on FB && PCI
> +	depends on FB && PCI && HAS_IOPORT
>   	select FB_CFB_FILLRECT
>   	select FB_CFB_COPYAREA
>   	select FB_CFB_IMAGEBLIT
> @@ -1252,7 +1252,7 @@ config FB_VOODOO1
>
>   config FB_VT8623
>   	tristate "VIA VT8623 support"
> -	depends on FB && PCI
> +	depends on FB && PCI && HAS_IOPORT
>   	select FB_CFB_FILLRECT
>   	select FB_CFB_COPYAREA
>   	select FB_CFB_IMAGEBLIT
> @@ -1267,7 +1267,7 @@ config FB_VT8623
>
>   config FB_TRIDENT
>   	tristate "Trident/CyberXXX/CyberBlade support"
> -	depends on FB && PCI
> +	depends on FB && PCI && HAS_IOPORT
>   	select FB_CFB_FILLRECT
>   	select FB_CFB_COPYAREA
>   	select FB_CFB_IMAGEBLIT
> @@ -1290,7 +1290,7 @@ config FB_TRIDENT
>
>   config FB_ARK
>   	tristate "ARK 2000PV support"
> -	depends on FB && PCI
> +	depends on FB && PCI && HAS_IOPORT
>   	select FB_CFB_FILLRECT
>   	select FB_CFB_COPYAREA
>   	select FB_CFB_IMAGEBLIT
> @@ -1814,7 +1814,7 @@ config FB_SSD1307
>
>   config FB_SM712
>   	tristate "Silicon Motion SM712 framebuffer support"
> -	depends on FB && PCI
> +	depends on FB && PCI && HAS_IOPORT
>   	select FB_IOMEM_HELPERS
>   	help
>   	  Frame buffer driver for the Silicon Motion SM710, SM712, SM721