linux-kernel - Re: [PATCH v2 1/3] Kconfig : Remove HAS_IOMEM dependency for Graphics support

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Message-Id: <b93b12b9-bfcc-8ae4-ad74-fd4f262872a8@de.ibm.com>
Date:   Thu, 8 Feb 2018 16:30:21 +0100
From:   Christian Borntraeger <borntraeger@...ibm.com>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:     Farhan Ali <alifm@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-fbdev@...r.kernel.org, geert@...ux-m68k.org,
        stefan.kristiansson@...nalahti.fi, tomi.valkeinen@...com,
        schwidefsky@...ibm.com, dri-devel@...ts.freedesktop.org,
        Chen Liqin <liqin.linux@...il.com>,
        Lennox Wu <lennox.wu@...il.com>, Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        user-mode-linux-devel@...ts.sourceforge.net
Subject: Re: [PATCH v2 1/3] Kconfig : Remove HAS_IOMEM dependency for Graphics
 support



On 02/08/2018 02:11 PM, Bartlomiej Zolnierkiewicz wrote:
> 
> Hi,
> 
> [ dri-devel ML & arch/[score,um] Maintainers added to Cc: ]
> 
> On Friday, February 02, 2018 08:59:57 AM Christian Borntraeger wrote:
>> On 02/01/2018 07:41 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 Opencores framebuffer driver which would fail to build
>>> with CONFIG_HAS_IOMEM disabled:
>>>
>>> ERROR: "devm_ioremap_resource" [drivers/video/fbdev/ocfb.ko] undefined!
> 
> "Graphics support" menu covers other things (i.e. DRM), I assume that
> they were also checked to not break due to this change?
> 
> Moreover it seems that after this change "Graphics support" menu will
> be also enabled (besides s390) for score, tile and um architectures,
> I assume that this is okay?

I can add this patch to my next tree (after merge window) and check for
any errors from all the build bots.