Re: [PATCH] ARM: tegra: enable console framebuffer rotation

[Alexandre Courbot]

On Fri, May 9, 2014 at 11:20 PM, Andreas FÃrber <afaerber@xxxxxxx> wrote:
> Am 08.05.2014 01:40, schrieb Alex Courbot:
>> On 05/08/2014 12:57 AM, Stephen Warren wrote:
>>> On 05/06/2014 09:18 PM, Alexandre Courbot wrote:
>>>> Console rotation is needed for devices like Tegra Note 7 and NVIDIA
>>>> SHIELD to get the boot console in the expected orientation.
>>>
>>> I've squashed this into Tegra's for-3.16/defconfig branch.
>>>
>>> Can you please also update multi_v7_defconfig, and send that change to
>>> arm-soc (arm@xxxxxxxxxx) to be applied. Thanks.
>>
>> I omitted doing this for now because the devices that require this
>> option (TN7/SHIELD) need a custom build with appended DTB and/or
>> command-line anyway. Therefore they cannot use a multi-mach kernel
>
> What does appending a .dtb have to do with whether or not to use a
> multi-mach kernel? We package zImage/uImage and .dtbs separately, so
> surely the multi_v7_defconfig should be kept working with Tegra devices.
> Appending a .dtb only comes into play for preparing installation images.

When appending a dtb the kernel image must also be built with
CONFIG_ARM_APPENDED_DTB, which I guess is not an option we want to add
by default to Tegra and probably even less to multi_v7. So since the
kernel config needs to be changed anyway, I thought we would always
want to use tegra_defconfig as a basis for these devices.

Not that adding CONFIG_FRAMEBUFFER_CONSOLE_ROTATION to multi_v7 would
inflate the resulting kernel much, though.
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