Imagination PowerVR Driver Being Extended To Work On RISC-V

[phoronix]

Phoronix: Imagination PowerVR Driver Being Extended To Work On RISC-V

The Linux 6.8 kernel merged the Imagination PowerVR driver as a new open-source driver for supporting the PowerVR "Rogue" graphics architecture and being developed in tandem by Imagination Tech with their upstream Mesa Vulkan driver. Initially this PowerVR driver was catering to ARM SoCs with the Rogue graphics while now the open-source driver is being extended to work on RISC-V too...

https://www.phoronix.com/news/RISC-V-PowerVR-Driver-Support

[Quackdoc]

YIPEEE! this is one of the boards I am more interested in, I am no seriously thinking about getting one, I was going to wait for the chips with the P670 or that general class, but foss gpu drivers are supper exciting

[ayumu]

YIPEEE! this is one of the boards I am more interested in, I am no seriously thinking about getting one, I was going to wait for the chips with the P670 or that general class, but foss gpu drivers are supper exciting

Note th1520 has an incompatible, pre-standard V extension, severe hardware security flaws, and on top of that JH7110 is faster in many benchmarks such as software compiling, while using less power.

I would recommend against the th1520 SoC.

I recommend either the old but solid JH7110 (RVA20, in VisionFive 2, milk-v mars) or the newish spacemiT K1 (RVA22 and V extension, in Banana Pi BPi-F3 and Milk-V Jupiter).

[Quackdoc]

Note th1520 has an incompatible, pre-standard V extension, severe hardware security flaws, and on top of that JH7110 is faster in many benchmarks such as software compiling, while using less power.

I would recommend against the th1520 SoC.

I recommend either the old but solid JH7110 (RVA20, in VisionFive 2, milk-v mars) or the newish spacemiT K1 (RVA22 and V extension, in Banana Pi BPi-F3 and Milk-V Jupiter).

too slow, I am looking at this from the aspect of an am emulation/gaming machine for testing stuff, the issues with the vector are practically non issues for this. the EIC7700 would be the one I would wait for, but foss drivers to me are more important. Though vector will be quite important for emus/gaming, as it stands now it's not more important then the general speed.

[Danielsan]

Cool, now someone can design a RISC-V board to emulate a Sega Dreamcast with native GPU instrunction...

[Quackdoc]

Cool, now someone can design a RISC-V board to emulate a Sega Dreamcast with native GPU instrunction...

I guess one could theoretically do that, but isnt dreamcast closer to a PC anyways, graphics api ontop of vulkan seems like it would be a lot better

[cend]

卧槽，没想到是三星

[Quackdoc]

卧槽，没想到是三星

samsung has been working on various things related to risc-v, I suspect they want it for the TVs as shown in the sifive blogpost, but tizen is used in quite a few things, samsung is also a player in the automotive industry so they probably want to push riscv for that.

as for why they are working on the general stuff and not their own bespoke hardware, we have long learned that enthusiasts are what push the envelope, so enabling them goes a long way

https://www.sifive.com/blog/samsung-highlights-work-to-bring-risc-v-to-tizen-

https://research.samsung.com/blog/Bringing-RVV-to-Life-Overcoming-Hardware-Gaps-in-RISC-V-Development

[JRepin]

Anyone knows if there is any work being done to support Imagination IMG BXE-2-32 chip that is used in SpacemiT K1 CPU/Banana Pi BPI-F3?

[Quackdoc]

Anyone knows if there is any work being done to support Imagination IMG BXE-2-32 chip that is used in SpacemiT K1 CPU/Banana Pi BPI-F3?

iirc the BXE isn't too far off the BXM, so it may need an incremental update to the driver? note this is still just kernel stuff, mesa stuff is a ways out afaik.