#linux-rockchip on 2019-12-04 — irc logs at freenode.irclog.whitequark.org

2017-05-08 04:47 ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | IRC log http://irclog.whitequark.org/linux-rockchip | Community GH https://github.com/linux-rockchip | Rockchip GH https://github.com/rockchip-linux | ML https://groups.google.com/group/linux-rockchip

00:02 <begin> anyone had any luck with using xorg's glamoregl acceleration with a mali gpu + mainline lima driver + newish mesa and libdrm?

00:03 <anarsoul> well, it works but it doesn't accelerate much since lima can't do partial draws yet

00:04 <anarsoul> it's OKish if you have a cursor plane so X doesn't have redraw cursor for you

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00:05 <begin> ok, interesting

00:06 <anarsoul> make sure your GPU is actually supported by lima and not panfrost

00:06 <begin> it's definitely lima

00:06 <anarsoul> OK

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00:07 <begin> it's a mali 400 core in an rk3229

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00:08 <anarsoul> http://rockchip.wikidot.com/rk3229 definitely lies about GPU :)

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00:09 <anarsoul> Mali400 MP2 has 1 GP core and 2 PP cores and there's no "hierarchical tiler"

00:09 <begin> but i think have drm issues to sort out - modesetting without glamor runs, although i get freezes and nasty kernel messages if i do opengles2 related via drm at the moment

00:09 <anarsoul> IIRC it's part of Midgard GPUs

00:10 <anarsoul> make sure you use latest mesa from git

00:10 <anarsoul> 19.2 or (nor yet released) 19.3 is not a good choice if you want to use lima

00:10 <begin> i've just tried 19.3.0-rc5

00:10 <anarsoul> again, use git master

00:11 <anarsoul> we're not backporting changes to stable releases since they're usually too invasive

00:11 <begin> i thought 19.3.0-rc5 was tagged in the last few days?

00:11 <anarsoul> but it's been branched quite a while ago

00:12 <begin> ah, alright then

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