[Buildroot] [PATCH 1/2] sunxi-mali-driver-mainline: new package

Giulio Benetti giulio.benetti at micronovasrl.com
Mon Nov 27 23:34:15 UTC 2017


Hello everybody,

Il 27/11/2017 16:23, Giulio Benetti ha scritto:
> Hi Maxime,
> 
> Il 27/11/2017 15:28, Maxime Ripard ha scritto:
>> Hi,
>>
>> On Sat, Nov 25, 2017 at 11:22:48PM +0100, Giulio Benetti wrote:
>>> Added kernel allwinner mali driver package.
>>> Used combined with userspace Allwinner openGL libraries,
>>> it gives possibility to use 3D openGL SoC acceleration.
>>>
>>> Signed-off-by: Giulio Benetti <giulio.benetti at micronovasrl.com>
>>> ---
>>>   DEVELOPERS                                         |  3 ++
>>>   package/Config.in                                  |  1 +
>>>   package/sunxi-mali-driver-mainline/Config.in       | 38 
>>> ++++++++++++++++++++++
>>>   .../sunxi-mali-driver-mainline.mk                  | 30 
>>> +++++++++++++++++
>>>   4 files changed, 72 insertions(+)
>>>   create mode 100644 package/sunxi-mali-driver-mainline/Config.in
>>>   create mode 100644 
>>> package/sunxi-mali-driver-mainline/sunxi-mali-driver-mainline.mk
>>>
>>> diff --git a/DEVELOPERS b/DEVELOPERS
>>> index 7621f96..60a934e 100644
>>> --- a/DEVELOPERS
>>> +++ b/DEVELOPERS
>>> @@ -698,6 +698,9 @@ F:    package/ocrad/
>>>   F:    package/tesseract-ocr/
>>>   F:    package/webp/
>>> +N:    Giulio Benetti <giulio.benetti at micronovasrl.com>
>>> +F:    package/sunxi-mali-driver-mainline/
>>> +
>>>   N:    Gregory Dymarek <gregd72002 at gmail.com>
>>>   F:    package/ding-libs/
>>>   F:    package/gengetopt/
>>> diff --git a/package/Config.in b/package/Config.in
>>> index fe5ccc4..e619992 100644
>>> --- a/package/Config.in
>>> +++ b/package/Config.in
>>> @@ -497,6 +497,7 @@ endmenu
>>>       source "package/stm32flash/Config.in"
>>>       source "package/sunxi-cedarx/Config.in"
>>>       source "package/sunxi-mali/Config.in"
>>> +    source "package/sunxi-mali-driver-mainline/Config.in"
>>>       source "package/sysstat/Config.in"
>>>       source "package/targetcli-fb/Config.in"
>>>       source "package/ti-gfx/Config.in"
>>> diff --git a/package/sunxi-mali-driver-mainline/Config.in 
>>> b/package/sunxi-mali-driver-mainline/Config.in
>>> new file mode 100644
>>> index 0000000..1f9ef59
>>> --- /dev/null
>>> +++ b/package/sunxi-mali-driver-mainline/Config.in
>>> @@ -0,0 +1,38 @@
>>> +comment "sunxi-mali-driver-mainline needs a Linux kernel to be built"
>>> +    depends on !BR2_LINUX_KERNEL
>>> +
>>> +config BR2_PACKAGE_SUNXI_MALI_DRIVER_MAINLINE
>>> +    bool "sunxi-mali-driver-mainline"
>>> +    depends on BR2_LINUX_KERNEL
>>> +    select BR2_LINUX_NEEDS_MODULES # not using kernel-module infra
>>> +    help
>>> +      This package builds and installs the Linux kernel driver for
>>> +      the Mali GPU on Allwinner platforms, compatible with recent
>>> +      Linux kernels (>= 4.4). Note that it should be installed
>>> +      together with the corresponding userspace OpenGL libraries,
>>> +      which are provided as binaries only at:
>>> +      https://github.com/free-electrons/mali-blobs
>>> +
>>> +      sunxi-mali-driver-mainline requires a Linux kernel >= 4.4 with 
>>> the
>>> +      following options enabled:
>>> +
>>> +      - CONFIG_CMA
>>> +      - CONFIG_DMA_CMA
>>> +      - CONFIG_DRM_FBDEV_OVERALLOC >= 200 for double buffer or more
>>
>> Sorry for missing that out earlier, but that one is not true. You can
>> achieve the same result using the drm_fbdev_overalloc kernel paremeter.
> 
> Ok, I add it on Help.

y_morin on #buildroot irc told me that maybe this missing Help phrase 
can be added by the one who will commit the patch.
Is it ok, or do I have to submit a new patch?

Kind regards

> 
> Thanks
> 
>>
>> The rest looks good.
>>
>> Maxime
>>
> 
> 


-- 
Giulio Benetti
R&D Manager &
Advanced Research

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