Re: [PATCH] ARM: tegra: nyan: Enable GPU node and related supply
From: Jon Hunter <hidden>
Date: 2016-09-20 12:24:46
Also in:
linux-arm-kernel, linux-tegra, lkml
On 18/09/16 15:13, Paul Kocialkowski wrote:
quoted hunk ↗ jump to hunk
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 <redacted> --- 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? [ 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 -- nvpublic -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html