ChanServ changed the topic of #panfrost to: Panfrost - FLOSS Mali Midgard & Bifrost - Logs https://oftc.irclog.whitequark.org/panfrost - <macc24> i have been here before it was popular
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<alyssa> [ 2.035304] JS0 features 20E
<alyssa> [ 2.041132] JS2 features 1E
<alyssa> [ 2.038173] JS1 features 1C9E
<alyssa> so every job slot can do null, write value, and cache flush jobs?
<alyssa> in addition to frag jobs on js0
<alyssa> and.. unknown jobs on js2?
<alyssa> er no, compute jobs on js2
<alyssa> js1 is that plus tiler jobs, indexed vertex jobs, the new kind of indexed vertex jobs I think, and something else
<alyssa> Traditional vertex/geometry jobs no longer exist
<alyssa> (As I suspected, but nice to see confirmation)
<alyssa> [ 1.946556] panfrost 13000000.gpu: Features: L2:0x07130206 Shader:0x00000000
<alyssa> Tiler:0x00000809 Mem:0x101 MMU:0x00002830 AS:0xff JS:0x7
<alyssa> Interesting to see it reporting the same tiler features (0x809) as mali-g52 does.. since the tiler stuff changed with g57...
* alyssa delves deeper into the depths of undocumented mali voodoo
<alyssa> why are we getting a DATA_INVALID_FAULT ....
<alyssa> also odd - GPU_FAULT_STATUS is clear, although JS_STATUS reports 0x58 (data invalid)
<alyssa> GPU_FAULT_ADDRESS is also clear
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<cphealy> What is the diff between JS0, JS1, and JS2?
<alyssa> job slots
<alyssa> job slot 0 - fragment jobs
<alyssa> job slot 1 - everything else
<alyssa> job slot 2 - compute jobs, but in practice js1 is used for this too.
<cphealy> got it, tnx
<alyssa> i.. don't know why this is so broken
<alyssa> i'm not a kernel dev i just pretend to be one
<alyssa> ...like most kernel devs
<cphealy> ;-)
<alyssa> even a NULL job is failing so something is really screwed up here
<alyssa> My gut says cache problems
<alyssa> Unfortunately I'm unsure what I can do with that gut feeling
<alyssa> if I give an invalid jc, it fails in a different way - so that confirms the memory is actually mapped.
<alyssa> is the GPU reading us back correctly? maybe?
<alyssa> something is /seriously/ broken.
<alyssa> awful errata? subtle changes? who knows!
<alyssa> (silly typo?)
<alyssa> also starting to suspect I botched the device tree
<alyssa> The possibilities are endless!
<cphealy> Is it possible to temporarily disable the cache or force a flush on all operations to help eliminate cache issues as a variable?
<alyssa> not really
<alyssa> I'm also wondering if there is brokenness with the clock/regulator/etc which is all downstream right now
<alyssa> seems unlikely to manifest as a DATA_INVALID_FAULT, though
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* alyssa sighs
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