[PATCH] ARM: tegra: nyan: Enable GPU node and related supply

[contact@paulk.fr (Paul Kocialkowski)]

Le mardi 20 septembre 2016 ? 13:24 +0100, Jon Hunter a ?crit?:
> 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 at 0,57000000 {
> > +		status = "okay";
> > +
> > +		vdd-supply = <&vdd_gpu>;
> > +	};
> > +
> > ?	serial at 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/
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