linux-kernel - Re: [PATCH 1/1] riscv: defconfig: enable DRM

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Date:   Wed, 27 Oct 2021 17:44:46 +0200
From:   Adam Borowski <kilobyte@...band.pl>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     heinrich.schuchardt@...onical.com,
        Paul Walmsley <paul.walmsley@...ive.com>,
        aou@...s.berkeley.edu, Anup Patel <Anup.Patel@....com>,
        axboe@...nel.dk, sagar.kadam@...ive.com,
        Atish Patra <Atish.Patra@....com>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] riscv: defconfig: enable DRM_NOUVEAU

On Tue, Oct 26, 2021 at 04:57:08PM -0700, Palmer Dabbelt wrote:
> On Tue, 12 Oct 2021 09:46:58 PDT (-0700), heinrich.schuchardt@...onical.com wrote:
> > Both RADEON and NOUVEAU graphics cards are supported on RISC-V. Enabling
> > the one and not the other does not make sense.
> > 
> > As typically at most one of RADEON, NOUVEAU, or VIRTIO GPU support will be
> > needed DRM drivers should be compiled as modules.
> 
> Do you have an nVidia card that works on real hardware?  Last I checked was
> a while ago, but they weren't working at the time (IIRC it was something to
> do with PCIe addressing, but it was a hardware limitation so I don't
> remember exactly how it all fits together).

Not having read the docs (no one does! :p), I took a random old card from
the shelf, put it in, and it just worked:

07:00.0 VGA compatible controller: NVIDIA Corporation G98 [GeForce 8400 GS Rev. 2] (rev a1)


Meow!
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