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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<mriesch>
what is the current state of opencl in panfrost?
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<mriesch>
i found some articles describing the state, but they are about one year old now
<mriesch>
any pointers welcome ;-)
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<alyssa>
robmur01: I feel called out about the kernel dev comment :-p
<alyssa>
100% true though :-p
<robmur01>
heh, I'm trying to buy you some sympathy! :D
<alyssa>
appreciate it ;_ <3
<HdkR>
Maximum kernel developer? :P
<alyssa>
robmur01: I'm at the point where I don't care where the dust settles, I just want to know what patch I'm supposed to write :-p
<robmur01>
heh, in your shoes I'd probably be looking for a colleague or other friendly kernel developer with MTK involvement to punt to...
<alyssa>
robmur01: strongly considering it.
<alyssa>
I'm sure /somewhere/ in Collabora I can find someone to do my work for me ;-p
<mriesch>
hi alyssa, can you comment on the state of opencl in panfrost? it was your article i saw this morning :-)
<alyssa>
Nobody's working on it right now
<alyssa>
We accept patches
<mriesch>
ok, but where would i begin? are there any notes, issues, .. that would tell me what the state of the art is?
<mriesch>
or alternatively, what is missing in rough terms?
<alyssa>
the issue is less "panfrost isn't ready for opencl" and more "mesa isn't ready for opencl"
<alyssa>
core clover work
<alyssa>
etc
<alyssa>
jekstrand: ^
<alyssa>
jekstrand is apparently not here ummm
<mriesch>
ok.. i thought that clover was ready to use on other architectures, but in this case the issue is more fundamental...
<alyssa>
I mean, it's there. It's not shipping in production anywhere, as I understand
<alyssa>
All the core 'proof of concept' code exists in both clover and panfrost and works today
<alyssa>
but I'm not comfortable shipping a half-baked OpenCL driver to end-users
<alyssa>
and I don't know many OpenCL use cases nowadays that aren't served by GLES or Vulkan Compute
<alyssa>
so I can't personally justify spending time on OpenCL right now (as opposed to supporting more Mali hardware, making Panfrost faster, etc)
<mriesch>
indeed the question at the moment is whether we really need opencl or could get away with some other api
<mriesch>
oh yeah, at that point thanks for your great work on panfrost btw :-)
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* alyssa
would like to see Valhall support merged ...
<alyssa>
At least the compiler I think is close to mergable
<alyssa>
Gallium driver is a bit further out, I think.
<alyssa>
maybe next week jekstrand would like to NAK the code :-p
<HdkR>
*excitement increases*
<alyssa>
HdkR: here you want to review 4kloc
<HdkR>
Sorry, busy preparing a presentation. Excuses intensify :P
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<alyssa>
is attempting to run deqp-gles2 really enough to hang mt8192
<alyssa>
it is. incredible, truly incredible.
<alyssa>
says great things about the platform's robustness
<alyssa>
I guess that means it's time to get back to kernel fixes.
<alyssa>
+ /* Must reset GPU after a bus fault to prevent hangs */
<alyssa>
+ HW_ISSUE_TTRX_3076,
<alyssa>
that sounds like it's part of the problem, yes.
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<daniels>
if I were a userspace driver, I would simply not cause bus faults
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<alyssa>
daniels: rude
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<alyssa>
Attempted to workaround TTRX_3076, rerunning dEQP now. Let's hope my deqp run finishes..
<alyssa>
it does not.
<alyssa>
wish I knew why the system was locking up