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SubjectRe: [PATCH v2 0/6] Host1x and VIC support for Tegra186
On Tue, Sep 05, 2017 at 11:43:00AM +0300, Mikko Perttunen wrote:
> Hi,
>
> not many changes in v2:
>
> Changed address-cells and size-cells for the Host1x device tree node
> to have value 1, since all subdevices fit in the lower 4G. Also dropped
> the incorrect change about this from the dt-bindings patch. Thanks to
> Rob for pointing this out.
>
> Mikko
>
> Notes for v1:
>
> Hi everyone,
>
> this series adds basic support for the Host1x channel engine and the
> VIC 2d compositor unit on Tegra186. The first three patches do the
> required device tree changes, the fourth patch updates the device tree
> binding documentation, and the two remaining patches add the actual
> implementation, almost all of which is in Host1x itself.
>
> The Tegra186 Host1x is a relatively large update over previous
> generations, which can be seen in the diffstat. The biggest change is
> that Host1x is now contains separate hypervisor and vm register
> apertures to support virtualization at the hardware level. This driver,
> however, currently assumes that this instance of Linux is the sole
> operating system having access to the hardware.
>
> This combined with increased numbers of supported channels and
> syncpoints have caused a number of register space changes that are
> responsible for most of the updated code.
>
> The series has been tested on the Jetson TX1 (T210) and TX2 (T186)
> using the host1x_test test suite available at
>
> http://github.com/cyndis/host1x_test
>
> The series itself is available at
>
> http://github.com/cyndis/linux, branch host1x-t186-1

Since this is new hw support, is there also open source userspace using
all this?

Thanks, Daniel

>
> Cheers,
> Mikko
>
> Mikko Perttunen (6):
> arm64: tegra: Add #power-domain-cells for BPMP
> arm64: tegra: Add host1x on Tegra186
> arm64: tegra: Add VIC on Tegra186
> dt-bindings: host1x: Add Tegra186 information
> gpu: host1x: Add Tegra186 support
> drm/tegra: Add Tegra186 support for VIC
>
> .../display/tegra/nvidia,tegra20-host1x.txt | 4 +
> arch/arm64/boot/dts/nvidia/tegra186.dtsi | 31 ++++
> drivers/gpu/drm/tegra/drm.c | 1 +
> drivers/gpu/drm/tegra/vic.c | 10 ++
> drivers/gpu/host1x/Makefile | 3 +-
> drivers/gpu/host1x/dev.c | 60 ++++++-
> drivers/gpu/host1x/dev.h | 4 +
> drivers/gpu/host1x/hw/cdma_hw.c | 49 +++---
> drivers/gpu/host1x/hw/debug_hw.c | 137 +---------------
> drivers/gpu/host1x/hw/debug_hw_1x01.c | 154 ++++++++++++++++++
> drivers/gpu/host1x/hw/debug_hw_1x06.c | 133 +++++++++++++++
> drivers/gpu/host1x/hw/host1x01.c | 2 +
> drivers/gpu/host1x/hw/host1x02.c | 2 +
> drivers/gpu/host1x/hw/host1x04.c | 2 +
> drivers/gpu/host1x/hw/host1x05.c | 2 +
> drivers/gpu/host1x/hw/host1x06.c | 44 +++++
> drivers/gpu/host1x/hw/host1x06.h | 26 +++
> drivers/gpu/host1x/hw/host1x06_hardware.h | 142 ++++++++++++++++
> drivers/gpu/host1x/hw/hw_host1x06_hypervisor.h | 32 ++++
> drivers/gpu/host1x/hw/hw_host1x06_uclass.h | 181 +++++++++++++++++++++
> drivers/gpu/host1x/hw/hw_host1x06_vm.h | 47 ++++++
> drivers/gpu/host1x/hw/intr_hw.c | 29 ++--
> 22 files changed, 926 insertions(+), 169 deletions(-)
> create mode 100644 drivers/gpu/host1x/hw/debug_hw_1x01.c
> create mode 100644 drivers/gpu/host1x/hw/debug_hw_1x06.c
> create mode 100644 drivers/gpu/host1x/hw/host1x06.c
> create mode 100644 drivers/gpu/host1x/hw/host1x06.h
> create mode 100644 drivers/gpu/host1x/hw/host1x06_hardware.h
> create mode 100644 drivers/gpu/host1x/hw/hw_host1x06_hypervisor.h
> create mode 100644 drivers/gpu/host1x/hw/hw_host1x06_uclass.h
> create mode 100644 drivers/gpu/host1x/hw/hw_host1x06_vm.h
>
> --
> 2.14.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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