Re: [REGRESSION] GM20B probe fails after commit 2541626cfb79

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On Wed, Jan 18, 2023 at 11:28:49AM +1000, Ben Skeggs wrote:
> On Mon, 16 Jan 2023 at 22:27, Diogo Ivo <diogo.ivo@xxxxxxxxxxxxxxxxxx> wrote:
> > On Mon, Jan 16, 2023 at 07:45:05AM +1000, David Airlie wrote:
> > > As a quick check can you try changing
> > >
> > > drivers/gpu/drm/nouveau/nvkm/core/firmware.c:nvkm_firmware_mem_target
> > > from NVKM_MEM_TARGET_HOST to NVKM_MEM_TARGET_NCOH ?

> In addition to Dave's change, can you try changing the
> nvkm_falcon_load_dmem() call in gm20b_pmu_init() to:
> 
> nvkm_falcon_pio_wr(falcon, (u8 *)&args, 0, 0, DMEM, addr_args,
> sizeof(args), 0, false);

Hello!

Chiming in just to say that with this change I see the same as Nicolas
except that the init message size is 255 instead of 0:

[    2.196934] nouveau 57000000.gpu: pmu: unexpected init message size 255 vs 42



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