From mboxrd@z Thu Jan 1 00:00:00 1970 From: contact@paulk.fr (Paul Kocialkowski) Date: Tue, 20 Sep 2016 20:17:13 +0200 Subject: [PATCH] ARM: tegra: nyan: Enable GPU node and related supply In-Reply-To: References: <20160918141311.17140-1-contact@paulk.fr> Message-ID: <1474395433.1215.23.camel@paulk.fr> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > > --- > > ?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/ -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 801 bytes Desc: This is a digitally signed message part URL: