Re: [PATCH 1/2] drm/panfrost: Remove features meant for userspace

2022-01-12 Thread Alyssa Rosenzweig
> (although it's a good thing kbase never did this cleanup - it's a useful > source of public information ;) ) Haha, yes. Actually, kbase did do the clean up recently (Valhall era kbase, I guess). To be fair, I still don't know what some of these were, like "T7xx pairing rules"... Presumably somet

Re: [PATCH 1/2] drm/panfrost: Remove features meant for userspace

2022-01-12 Thread Steven Price
On 09/01/2022 17:09, Alyssa Rosenzweig wrote: > Early versions of the legacy kernel driver included comprehensive > feature lists for every GPU, even though most of the enumerated features > only matter to userspace. For example, HW_FEATURE_INTERPIPE_REG_ALIASING > was a feature bit indicating that

[PATCH 1/2] drm/panfrost: Remove features meant for userspace

2022-01-09 Thread Alyssa Rosenzweig
Early versions of the legacy kernel driver included comprehensive feature lists for every GPU, even though most of the enumerated features only matter to userspace. For example, HW_FEATURE_INTERPIPE_REG_ALIASING was a feature bit indicating that a GPU had "interpipe register aliasing": arithmetic,