Re: [PATCH 14/17] ARM: dts: Add missing gpu node and binding for omap4

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On Mon, Sep 11, 2017 at 4:50 PM, Rob Herring <robh@xxxxxxxxxx> wrote:
> On Wed, Aug 30, 2017 at 08:19:50AM -0700, Tony Lindgren wrote:
>> On omap4 we're missing the PowerVR SGX GPU node with it's related
>> "ti,hwmods" property that the SoC interconnect code needs.
>>
>> Note that this will only show up as a bug with "doesn't have
>> mpu register target base" boot errors when the legacy platform
>> data is removed.
>>
>> Cc: Mark Rutland <mark.rutland@xxxxxxx>
>> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
>> Cc: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
>> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
>> ---

Out of curiosity, is anything being done with this?  I'm really
interested to see the PVR working in a modern kernel.  I'd like to
help more, but I am afraid I don't fully understand the interconnects
and how the driver componenets interact with the omap processor.

Please let me know if there are sub-tasks that I can assist.

adam

>>  .../devicetree/bindings/gpu/ti-powervr-sgx.txt     | 39 ++++++++++++++++++++++
>
> While the compatible strings should be TI specific, the doc shouldn't
> be.
>
>>  arch/arm/boot/dts/omap4.dtsi                       |  7 ++++
>>  2 files changed, 46 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/gpu/ti-powervr-sgx.txt
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