On 21.02.2018 12:09, Christian Borntraeger wrote:
>
>
> On 02/21/2018 11:32 AM, Cornelia Huck wrote:
>> On Wed, 21 Feb 2018 11:22:38 +0100
>> Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:
>>
>>> On 02/21/2018 11:05 AM, Christian Borntraeger wrote:
>>>>
>>>>
>>>> On 02/19/2018 05:38 PM, Farhan Ali wrote:
>>>>>
>>>>>
>>>>> On 02/19/2018 11:25 AM, Thomas Huth wrote:
>>>>>> On 19.02.2018 16:47, 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@xxxxxxxxxxxxxxxxxx>
>>>>>>> ---
>>>>>>> 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"
>>>>
>>>>
>>>> Hmmm, looks like that this makes it impossible to select VIRTIO_GPU - need still more
>>>> work.
>>>>
>>> Sorry my fault. I had CONFIG_PCI disabled.
>>
>> That smells like the s390 HAS_IOMEM stuff needs more work -- I guess
>> that you want to enable a ccw virtio-gpu device, not a pci one, right?
>
> It is a ccw virtio-gpu. But s390 has no IOMEM without CONFIG_PCI, so you cannot
> select VIRTIO_GPU, which needs DRM, which need IOMEM.
So the 'source "drivers/gpu/drm/Kconfig"' should maybe rather reside
outside of the "if HAS_IOMEM" path? Or does it not compile anymore that way?
Thomas
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