[PATCH 0/4] Fix DP busy wait and defer disabling overlay plane

[Dan MacDonald]

No such luck.

The patch I used (against 4.11-rc4) is attached.

The error was:

SHIPPED arch/arm/boot/compressed/bswapsdi2.S
  AS      arch/arm/boot/compressed/bswapsdi2.o
  LD      arch/arm/boot/compressed/vmlinux
  OBJCOPY arch/arm/boot/zImage
  Kernel: arch/arm/boot/zImage is ready
  Building modules, stage 2.
  MODPOST 3341 modules
ERROR: "ipu_plane_disable_deferred" [drivers/gpu/drm/imx/imxdrm.ko] undefined!
make[1]: *** [scripts/Makefile.modpost:91: __modpost] Error 1
make: *** [Makefile:1200: modules] Error 2
==> ERROR: A failure occurred in build().
    Aborting...


On Sat, Apr 1, 2017 at 1:26 AM, Dan MacDonald <allcoms at gmail.com> wrote:
> Thanks Russell!
>
> I think the patch has applied OK - I've just started the build so it
> could be a while yet. 12 hours maybe? Its building support for every
> arm7 thing under the sun because I'm too lazy (sensible?) to try
> hacking it down to size.
>
> Adding the patch to the Arch rc kernel PKGBUILD was as simple as
> adding the name of the patch to the source() section, adding a
> corresponding 'SKIP' to the end of the md5sums() section and then
> adding:
>
>  git apply ../sabre-lite.patch
>
> to the prepare() section of the PKGBUILD. I copied the patch into the
> same dir as the PKGBUILD and then ran:
>
> $ makepkg
>
> In the same dir as the kernel PKGBUILD and patches.
>
> Results at last! :D
>
> On Fri, Mar 31, 2017 at 3:15 PM, Russell King - ARM Linux
> <linux at armlinux.org.uk> wrote:
>> On Fri, Mar 31, 2017 at 02:36:31PM +0100, Dan MacDonald wrote:
>>> Hi all
>>>
>>> Up until now I've only ever used the most basic features of git, so
>>> I've had to do some research into how to best/cleanly extract
>>> Phillipps patches so that I can include his changes into an Arch
>>> kernel PKGBUILD.
>>>
>>> I think the following should work:
>>>
>>> git clone https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>> cd linux
>>> git fetch https://git.pengutronix.de/git/pza/linux.git
>>> tags/v4.10-ipu-dp-plane-fix
>>> git checkout FETCH_HEAD
>>> git whatchanged -p origin/master..FETCH_HEAD > sabre-lite.patch
>>
>> I don't think that will work, because it'll output the changes as
>> individual patches in reverse order (newest first) which will be
>> no good when trying to feed it into patch or git apply.
>>
>> I think what you instead want is:
>>
>>   git diff origin/master...FETCH_HEAD > sabre-lite.patch
>>
>> which will be the changes that are in FETCH_HEAD that aren't in
>> origin/master as a single patch.
>>
>>> I should then be able to include that patch in a 4.11-rc4 PKGBUILD -
>>> I'll give it a go this weekend and see if it applies and builds OK but
>>> please let me know if anyone sees any flaws in this procedure.
>>
>> Thanks - one of the issues is that not everyone knows the details of
>> distribution package build systems (each distro seems to have their
>> own unique way of building and packaging stuff.)
>>
>> --
>> RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
>> FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
>> according to speedtest.net.
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