[RFC PATCH 4/4] arm64: dts: imx8mm: Add GPU nodes for 2D and 3D core using Etnaviv

Schrempf Frieder frieder.schrempf at kontron.de
Wed May 6 11:59:26 UTC 2020

On 06.05.20 13:45, Frieder Schrempf wrote:
> On 03.05.20 16:49, Adam Ford wrote:
>> On Thu, Apr 30, 2020 at 7:46 AM Schrempf Frieder
>> <frieder.schrempf at kontron.de> wrote:
>>> From: Frieder Schrempf <frieder.schrempf at kontron.de>
>>> According to the documents, the i.MX8M-Mini features a GC320 and a
>>> GCNanoUltra GPU core. Etnaviv detects them as:
>>>          etnaviv-gpu 38000000.gpu: model: GC600, revision: 4653
>>>          etnaviv-gpu 38008000.gpu: model: GC520, revision: 5341
>>> This seems to work fine more or less without any changes to the HWDB,
>>> which still might be needed in the future to correct some features,
>>> etc.
>>> Signed-off-by: Frieder Schrempf <frieder.schrempf at kontron.de>
>>> ---
>> Since not everyone uses the 3D or 2D, would it make sense to mark them
>> as disabled by default and let people who need the 3D and 2D enable
>> them at their respective board files?
> I would rather keep it the way it has been done for other SoCs. Looking 
> at the i.MX6 devicetrees, they all seem to have the GPUs enabled by 
> default.

Ah, I had missed Lucas reply. He already provided much better arguments 
for keeping the GPUs enabled by default.

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