linux-kernel - Re: [PATCH v3 1/3] Kconfig : Remove HAS_IOMEM dependency for Graphics support

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Date:   Wed, 21 Feb 2018 09:44:43 +0100
From:   Christian Borntraeger <borntraeger@...ibm.com>
To:     Farhan Ali <alifm@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-fbdev@...r.kernel.org
Cc:     geert@...ux-m68k.org, tomi.valkeinen@...com, thuth@...hat.com,
        b.zolnierkie@...sung.com
Subject: Re: [PATCH v3 1/3] Kconfig : Remove HAS_IOMEM dependency for Graphics
 support



On 02/19/2018 04:47 PM, Farhan Ali wrote:
> The 'commit e25df1205f37 ("[S390] Kconfig: menus with depends on HAS_IOMEM.")'
> added the HAS_IOMEM dependecy for "Graphics support". This disabled the
> "Graphics support" menu for S390. But if we enable VT layer for S390,
> we would also need to enable the dummy console. So let's remove the
> HAS_IOMEM dependency.
> 
> Move this dependency to sub menu items and console drivers that use
> io memory.
> 
> Signed-off-by: Farhan Ali <alifm@...ux.vnet.ibm.com>

This patch is part of todays linux-next and so far no fallout was reported.
Shall I take that patch via the s390kvm tree (then I would like to have
an ack. Bart?) or is anybody on cc willing to take this?

Christian



> ---
>  drivers/video/Kconfig         | 21 +++++++++++----------
>  drivers/video/console/Kconfig |  4 ++--
>  2 files changed, 13 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
> index 3c20af9..8f10915 100644
> --- a/drivers/video/Kconfig
> +++ b/drivers/video/Kconfig
> @@ -3,7 +3,6 @@
>  #
> 
>  menu "Graphics support"
> -	depends on HAS_IOMEM
> 
>  config HAVE_FB_ATMEL
>  	bool
> @@ -11,20 +10,22 @@ config HAVE_FB_ATMEL
>  config SH_LCD_MIPI_DSI
>  	bool
> 
> -source "drivers/char/agp/Kconfig"
> +if HAS_IOMEM
> +	source "drivers/char/agp/Kconfig"
> 
> -source "drivers/gpu/vga/Kconfig"
> +	source "drivers/gpu/vga/Kconfig"
> 
> -source "drivers/gpu/host1x/Kconfig"
> -source "drivers/gpu/ipu-v3/Kconfig"
> +	source "drivers/gpu/host1x/Kconfig"
> +	source "drivers/gpu/ipu-v3/Kconfig"
> 
> -source "drivers/gpu/drm/Kconfig"
> +	source "drivers/gpu/drm/Kconfig"
> 
> -menu "Frame buffer Devices"
> -source "drivers/video/fbdev/Kconfig"
> -endmenu
> +	menu "Frame buffer Devices"
> +	source "drivers/video/fbdev/Kconfig"
> +	endmenu
> 
> -source "drivers/video/backlight/Kconfig"
> +        source "drivers/video/backlight/Kconfig"
> +endif
> 
>  config VGASTATE
>         tristate
> diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
> index 7f1f1fb..0023b16 100644
> --- a/drivers/video/console/Kconfig
> +++ b/drivers/video/console/Kconfig
> @@ -85,7 +85,7 @@ config MDA_CONSOLE
> 
>  config SGI_NEWPORT_CONSOLE
>          tristate "SGI Newport Console support"
> -        depends on SGI_IP22 
> +        depends on SGI_IP22 && HAS_IOMEM
>          select FONT_SUPPORT
>          help
>            Say Y here if you want the console on the Newport aka XL graphics
> @@ -153,7 +153,7 @@ config FRAMEBUFFER_CONSOLE_ROTATION
> 
>  config STI_CONSOLE
>          bool "STI text console"
> -        depends on PARISC
> +        depends on PARISC && HAS_IOMEM
>          select FONT_SUPPORT
>          default y
>          help
>