ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion
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<naoki>
does panfrost work fine on rk356x?
<CounterPillow>
yes
<CounterPillow>
but you need a new enough mesa
<CounterPillow>
(Debian Bullseye mesa is too old)
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<naoki>
bookworm, mesa 22.3.3
<naoki>
kde-plasma-desktop doesn't work... system hang :(
<naoki>
it works fine on rk3399
<CounterPillow>
using wayland?
<CounterPillow>
you should be using wayland, I don't think anyone tests panfrost on x11
<naoki>
oh
<naoki>
btw I'm trying 4k@30 patch, it works fine on rk356x, but not good for rk3399
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<CounterPillow>
What do you mean by "Not good", does it cause regressions or just not work at 4k30?
<mps>
CounterPillow: I use panfrost on rk3399 with xorg, works fine
<CounterPillow>
doesn't change the fact that it's not tested by upstream :P
<mps>
I don't own any rk356X
<naoki>
there is big noise(?) area on screen
<CounterPillow>
interesting, for me it just works fine
<naoki>
it works fine at 1920x1080 with 4k30 patch on rk3399
<naoki>
3840x2160 mode has a problem
<CounterPillow>
oh, the rk3399 4k30 thing is the big noise area, sorry yeah I haven't tested that yet
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<naoki>
hmm, wayland also hangs :(
<naoki>
tons of "Purging 65536 bytes" on serial console
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<CounterPillow>
interesting
<CounterPillow>
what kernel version?
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<naoki>
6.1.7
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<CounterPillow>
Interesting, that works for me
<wiizzard>
naoki: Noise probably comes from AFBC, it doesn't support 4k while the rockchip drm driver still advertises support. You can try to disable AFBC to make it work
<naoki>
wiizzard: how to disable AFBC?
<wiizzard>
For GNOME you can set a environment variable MUTTER_DEBUG_USE_KMS_MODIFIERS=0, dunno for KDE
<robmur01>
If you're using Panfrost, "PAN_MESA_DEBUG=noafbc" ought to do it in general
<naoki>
ah
<naoki>
well
<naoki>
it happens on frame buffer console
<naoki>
probably kernel issue
<robmur01>
ah, in that case it might be a clock or phy related thing
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