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SubjectRe: [PATCH] ARM: tegra: nyan: Enable GPU node and related supply
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Le mardi 20 septembre 2016 à 13:24 +0100, Jon Hunter a écrit :
> On 18/09/16 15:13, Paul Kocialkowski wrote:
> >
> > This enables the GPU node for tegra124 nyan boards, which is required to
> > get graphics acceleration with nouveau on these devices.
> >
> > Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
> > ---
> >  arch/arm/boot/dts/tegra124-nyan.dtsi | 8 +++++++-
> >  1 file changed, 7 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi
> > b/arch/arm/boot/dts/tegra124-nyan.dtsi
> > index dab9509..225ca77 100644
> > --- a/arch/arm/boot/dts/tegra124-nyan.dtsi
> > +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi
> > @@ -42,6 +42,12 @@
> >   };
> >   };
> >  
> > + gpu@0,57000000 {
> > + status = "okay";
> > +
> > + vdd-supply = <&vdd_gpu>;
> > + };
> > +
> >   serial@70006000 {
> >   /* Debug connector on the bottom of the board near SD card.
> > */
> >   status = "okay";
> > @@ -214,7 +220,7 @@
> >   regulator-always-on;
> >   };
> >  
> > - sd6 {
> > + vdd_gpu: sd6 {
> >   regulator-name = "+VDD_GPU_AP";
> >   regulator-min-microvolt = <650000>;
> >   regulator-max-microvolt =
> > <1200000>;
> >
>
> Looks good to me. I see the following error when booting but looking at the
> code appears to be benign. Thierry, Alex, is this normal/okay?

I have the same messages and asked Alexandre about them the other day. He told
me that it looks normal.

> [    5.715181] nouveau 57000000.gpu: NVIDIA GK20A
> (0ea000a1)                                                                    
>                         
> [    5.720625] nouveau 57000000.gpu: imem: using
> IOMMU                                                                         
>                          
> [    5.803694] nouveau 57000000.gpu: DRM: VRAM: 0
> MiB                                                                           
>                         
> [    5.808501] nouveau 57000000.gpu: DRM: GART: 1048576
> MiB                                                                           
>                   
> [    5.816000] nouveau 57000000.gpu: DRM: failed to create ce channel,
> -22                                                                           
>    
> [    5.924140] nouveau 57000000.gpu: DRM: MM: using GRCE for buffer copies  
>
> Cheers
> Jon
>
--
Paul Kocialkowski, developer of low-level free software for embedded devices

Website: https://www.paulk.fr/
Coding blog: https://code.paulk.fr/
Git repositories: https://git.paulk.fr/ https://git.code.paulk.fr/[unhandled content-type:application/pgp-signature]
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