Sorry, I've been overeager with that report. GPU initializes and is good for desktop use, but the performance in games is abysmal
6 Jul 2020, 20:56 by [email protected]: > It took a while, but I've flashed coreboot from newest master on F2-A85m+RX > 570 and it works. Great stuff, thank you for your work: ) > > > 13 Jan 2020, 17:28 by [email protected]: > >>> Jan 12, 2020, 14:43 by [email protected]: >>> >>> Solution for your coreboot + discrete GPU problems like >>> >>> amdgpu kernel bo map failed [...] error -22 >>> amdgpu_vram_scratch_init failed [...] error -22 >>> fatal error in GPU initialization >>> >>> It turned out that a fix like >>> https://review.coreboot.org/c/coreboot/+/38215 ( /* Set to 0xD0 >>> instead of 0xE0 to avoid the PCI resource allocation problems. */ >>> InitPost->MemConfig.BottomIo = 0xD0; // at the beginning of >>> board_BeforeInitPost function at board's OemCustomize.c ) that worked >>> for HD6670, is not enough for a huge RX590 - which is huge in all >>> relations, but most importantly the memory ranges! >>> >>> To get RX590 working with ASUS A88XM-E, I had to decrease a BottomIo >>> even further - to 0xC0 - and also to reduce the >>> BLDCFG_UMA_ALLOCATION_SIZE at board's buildOpts.c from 0x2000 (512MB) >>> to 0x1000 (256MB), - to get this extra "0xD0-0xC0"=0x10000000 room. >>> And then it worked perfectly, at least with DRI_PRIME=1 ./Supertuxkart >>> GPU offloading: ultra settings on integrated - 4 or 5 fps, with >>> offloading - 60 fps. I'm sure this fix will work for your other RX 5** >>> as well, but don't know if I should be trying to commit it to master, >>> since it lowers the integrated GPU's shared memory. >>> >>> RX590 is the most powerful AMD GPU which does not contain a Platform >>> Security Processor aka PSP (yes, they've started adding this crap to >>> the GPUs as well, and newer Vega / RX 5*** are all contaminated - see >>> for yourself at freedesktop drm/amdgpu sources) . That's why it was >>> really important to get RX590 working. So happy it was possible, >>> thanks to you all ;-) >>> >>> On Mon, Jan 13, 2020 at 2:21 AM Grzegorz Bogdał >>> <[email protected]> wrote: >>> Great job!: ) So, A10-6800k/FX-8xxx combined with RX 590 is probably the >>> strongest x86 desktop without PSP/ME that we'll get in this reality? >>> >> >> Yes, if you meant x86 desktop "supported by coreboot master" - >> regarding the CPUs ;-) Otherwise there is a supported-by-coreboot-4.11 >> M5A88-V motherboard with AM3+ (maybe can put FX-9590 there, if >> coreboot supports and without frying it?) and KGPE-D16 with its' two >> Opterons 6386 SE for a large desktop. Also, PDF [link 1] at page 12 >> says Carrizo is the "1st ARM Trustzone Capable Performance APU", that >> means Kaveri and its' refresh Godavari (i.e. A10-7890K) doesn't have a >> PSP. A88XM-E motherboard is FM2+ socket, so theoretically it could >> support Godavari A10-7890K. However Balazs wrote that AGESA of Kaveri >> is a blob (not good!) and there's uncertainty if could get it working >> without getting this APU for trying. >> >> As you see, there are CPUs more powerful than A10-6800K which don't >> have a PSP crap but their coreboot master support is questionable. And >> don't want to be without coreboot, since UEFI could have many holes >> and stuff like Computrace which doesn't need to rely on ME/PSP to >> function. So yes, A10-6800K seems to be the best at the moment. I got >> A10-6700 only because its' quite hard to find a new A10-6800K for a >> reasonable price and I read about bad overclockers who played too much >> with core voltages and cores deteriorate, becoming unstable even at >> stock speeds (so one needs to underclock then). A10-6700 is the most >> powerful with a locked multiplier, so less attractive to overclockers >> and may be safer to buy used. >> >> GPUs: yes, RX590 is the most powerful GPU without PSP ! (not >> considering NVidia at all because of their proprietary driver tricks >> and hostility towards the opensource) . Although there is RX600 series >> [link 2], they are hard to buy and lower performance. Unlike the >> majority of people (who don't care about performance), I actually >> hoped there would be another refresh of Polaris architecture - simply >> because no PSP, but doesn't seem there would be more Polaris high end >> GPUs at the moment. >> >> As for the most powerful RX590, I suggest those which have 8400MHz >> memory by default - i.e. Sapphire Nitro+ parts. For myself I got a >> cute [link 3] SKU 11289-07-20G aka "Sapphire Nitro+ RX 590 8GB AMD >> 50th Anniversary Gold Edition" (golden shroud) for about 250 USD. >> Aside from being an AMD fanboy collector's item, it's nearly identical >> to 11289-01-20G aka "Special Edition" (blue shroud) - however, there >> were multiple hardware revisions of a Special Edition card (could be >> distinguished by looking at their advanced P/N product number also >> printed), while this Gold Edition came much later and with it I think >> you're guaranteed to get the latest hardware revision. Now they are >> sold out at many countries, but if you're lucky you could find some - >> although maybe for the really inflated prices like [link 4] - that's >> ~320, about 30% more than I paid. >> >> If you know another RX590 which is more powerful out of the box, >> please tell - maybe I'd get a second one! In example, here's a pretty >> [link 5] PowerColor Red Devil RX 590 8GB, with a neat pentagram on >> its' back plate ;-) But its' memory is 8000MHz by default. >> >> [1] >> https://github.com/mikebdp2/coreboot-related/blob/master/PHILIPPINES_PS-DBM%20Event%20July%2015%2C%202016.pdf >> [2] https://en.wikipedia.org/wiki/Radeon_600_series >> [3] https://www.sapphiretech.com/en/consumer/nitro-rx-590-8g-g5_gold_edition >> [4] 133178207205 - >> https://www.ebay.com/itm/SAPPHIRE-AMD-RADEON-RX-590-NITRO-AMD50-GOLD-EDITION-8-GO-GDDR5-11289-07-20G/133178207205 >> [5] https://www.powercolor.com/product?id=1542008942 >> > >
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