linux
2022
Configuring Linux VLANs
Setting up a VLAN for a network interface in Linux is a little bit convoluted. Let's write a Bash/ZSH function for simplifying the process. Read full post
2021
Git Alias function syntax
Git aliases are an easy way to customize commands, however it is tempting to be more expressive and use shell script functions. This is supported, but the syntax and escaping can be hard to overcome. Read full post
Applying mailing list patches with 'git b4'
b4 helps improve the workflow for mailing list based Linux kernel development, but doesn't offer direct git integration. Let's whip up a 'git b4' alias. Read full post
Upstream camera support for Qualcomm platforms
The CAMSS driver for Qualcomm Image Signal Processors (ISPs) isn't new, but now has support for the next generation of ISP architecture. Read full post
2020
Panfrost: Liberating ARM GPUs @ Linux Conf Au
This talk covers the history, future and internals of the Panfrost driver for ARM GPUs. Read full post
2019
Panfrost the Open Source Arm GPU Driver @ ELC NA
Recently I gave a talk at ELC NA about the Status of the Embddded GPU Space. Read full post
Status of the Embedded GPU Space @ ELC NA
Recently I gave a talk at ELC NA about the Status of the Embddded GPU Space. Read full post
Running Android and Wayland on Embedded Devices
Let's get Android running next to Wayland on an i.MX6 based Nitrogen6_MAX board. Read full post
Running Android next to Wayland
It's now possible to run Android applications in the same graphical environment as regular Wayland Linux applications with full 3D acceleration. Read full post
An Overview of the Panfrost driver
During the past few months significant progress has been made on the Open Source Arm Mali GPU driver front, culminating in the Panfrost driver targeting Mali T and G-series of GPUs being available now. Read full post
Status of the Embedded GPU Space @ Embedded World
Recently I gave a talk at Embedded World about the Status of the Embddded GPU Space. Read full post
2018
Running Docker privileged inside of LXC / LXD
Being able to run Docker containers inside of LXC containers comes in quite handy due to them solving slightly different issues. Read full post
Android on Mainline Graphics @ All Systems Go
Recently I gave a talk at the OSSummit about the Status of the Open Source GPU Ecosystem. Read full post
Status of the Open Source GPU Ecosystem @ OSSummit NA
Recently I gave a talk at the OSSummit about the Status of the Open Source GPU Ecosystem. Read full post
Status of the Open Source Graphics Ecosystem @ OpenTechSummit
Recently I gave a talk at the OpenTechSummit about Android and the Open Source Graphics stack. Read full post
Status of the Embedded GPU Space @ Embedded Linux Conference NA
Recently I gave a talk at the Embedded Linux Conference in Portland. The talk is about the Status of the Embedded GPU Space. Read full post
Virtualizing GPU Access
Virtualized GPU access is becoming common in the containerized and virtualized application space. Let's have a look at why and how. Read full post
2017
Building ChromiumOS for Qemu
Getting ChromiumOS building is reasonably easy, but running it under Qemu requires some work. Read full post
Android: NXP i.MX6 on Etnaviv Update
More progress is being made in the area of i.MX6, etnaviv and Android. Read full post
GALLIUM_HUD: Debug Mesa Graphics Performance
Debugging graphics performance in a simple and high-level manner is possible for all Gallium based Mesa drivers. Read full post
Android: NXP i.MX6 Buffer Modifier Support
GPUs like those of Intel and Vivante support storing the contents of graphical buffers in different formats. Support for describing these formats using modifiers has now been added to Android and Mesa, enabling tiling artifact free running of Android on the iMX6 platform. Read full post
Android: Getting up and running on the iMX6
Getting Android up and running on the iMX6 platform using an open source graphics stack has been impossible up until recently, but now you can. Here's a guide through the steps. Read full post
Setting up a ChromiumOS dev environment
Setting up a fully functional ChromiumOS development environment on actual Chromebook hardware Read full post
2016
Running an Android Unit Test
Running specific AOSP unit tests on an Android device is not entirely obvious, so this is what I cobbled together. Read full post
XDC 2016
Highlights from the 2016 X.org Developers conference. Read full post
Building Android for Qemu with Mesa and Virgil3D
Running the Linux mainline graphics stack on Android devices is currently not a reality, but this is a viable development environment for improving the situation. Read full post
Ethernet device stress testing
During kernel upstreaming for chromiumos devices a standalone ethernet subssystem testing script was needed. Read full post
Linux kernel development shell scripts
A part of getting active in kernel development is finding a good workflow. These are the scripts I've used to avoid errors and increase productivity. Read full post