Messages in this thread | | | Date | Fri, 6 Mar 2020 14:43:36 +0000 | From | Steven Price <> | Subject | Re: [PATCH v4 1/7] dt-bindings: gpu: mali-bifrost: Add Mediatek MT8183 |
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On Fri, Mar 06, 2020 at 02:13:08PM +0000, Rob Herring wrote: > On Thu, Mar 5, 2020 at 8:34 PM Nick Fan <nick.fan@mediatek.com> wrote: > > > > Sorry for my late reply. > > I have checked internally. > > The MT8183_POWER_DOMAIN_MFG_2D is just a legacy name, not really 2D > > domain. > > > > If the naming too confusing, we can change this name to > > MT8183_POWER_DOMAIN_MFG_CORE2 for consistency. > > Can you clarify what's in each domain? Are there actually 3 shader > cores (IIRC, that should be discoverable)?
The cover letter from Nicolas includes:
> [ 501.321752] panfrost 13040000.gpu: shader_present=0x7 l2_present=0x1
0x7 is three bits set, so it certainly looks like there are 3 shader cores. Of course I wouldn't guarantee that it is as simple as each power domain has a shader core in. The job manager and tiler also need to be powered somehow, so they are either sharing with a shader core or there's something more complex going on.
Steve
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