Allwinner VPU support in mainline Linux status update (week 11)

After the initial submission of the Sunxi-Cedrus driver last week, I spent most of this week looking into the sun4i DRM (Direct Rendering Manager) driver. The driver is in charge of handling the display pipeline on Allwinner SoCs. Tight integration of the VPU and the display pipeline is required in order to achieve decent video … Continue reading “Allwinner VPU support in mainline Linux status update (week 11)”

Allwinner VPU support in mainline Linux status update (week 10)

Just over a week ago, I started my internship focused on adding upstream Linux kernel support for the Allwinner VPU at Bootlin’s Toulouse office. The team has been super-friendly and very helpful to help me get settled and I’m definitely happy about moving to Toulouse for the occasion! This first week of work was focused … Continue reading “Allwinner VPU support in mainline Linux status update (week 10)”

Crowdfunding campaign for upstream Linux kernel driver for Allwinner VPU

Back in 2012, Bootlin engineer Maxime Ripard pioneered the support for Allwinner processors in the official Linux kernel. Today, thanks to the contributions of numerous developers around the world and our involvement, there is very good support for a large number of Allwinner processors in the Linux kernel, to the point where actual Allwinner-based products … Continue reading “Crowdfunding campaign for upstream Linux kernel driver for Allwinner VPU”

Support for the Allwinner VPU in the mainline Linux kernel

Over the last few years, and most recently with the support for the C.H.I.P platform, Bootlin has been heavily involved in initiating and improving the support in the mainline Linux kernel for the Allwinner ARM processors. As of today, a large number of hardware features of the Allwinner processors, especially the older ones such as … Continue reading “Support for the Allwinner VPU in the mainline Linux kernel”

Open-source Linux kernel support for the Allwinner V3/V3s/S3 H.264 video encoder

Bootlin has been involved with improving multimedia support on Allwinner platforms in the upstream Linux kernel for many years. This includes notable contributions such as hardware-accelerated video decoding initial support for MPEG-2, H.264 and H.265 following the successful crowd-funding campaign in 2018, support for the MIPI CSI-2 camera interface and early support for the Allwinner … Continue reading “Open-source Linux kernel support for the Allwinner V3/V3s/S3 H.264 video encoder”

Linux 5.16 released: Bootlin contributions

Linux 5.16 has been released on January 9. As usual, our recommended reading to learn more about this release is the corresponding Kernelnewbies.org page and the two articles from LWN covering the 5.16 merge window: part 1 and part 2. As usual, Bootlin contributed a number of patches to this release, with a total of … Continue reading “Linux 5.16 released: Bootlin contributions”

Bootlin contributions to Linux 5.14 and 5.15

It’s been a while we haven’t posted about Bootlin contributions to the Linux kernel, and in fact missed both the Linux 5.14 and Linux 5.15 releases, which we will cover in this blog post. Linux 5.14 was released on August 29, 2021. The usual KernelNewbies.org page and the LWN articles on the merge window (part … Continue reading “Bootlin contributions to Linux 5.14 and 5.15”

Linux 5.5 released, Bootlin contributions inside

Linux 5.5 was recently released, as usual bringing a large number of new features and improvements, which are nicely detailed in the LWN articles on merge window part 1 and merge window part 2, but also on the Kernelnewbies wiki. According to the statistics, a total of 14350 changes were made to this kernel release, … Continue reading “Linux 5.5 released, Bootlin contributions inside”

2019 at Bootlin, a year in review

First of all, the entire team at Bootlin wishes you a Happy New Year, and best wishes for 2020 in your personal and professional life. The beginning of the new year is a good time to look back and see the achievements of the past year, which is why we review the 2019 year in … Continue reading “2019 at Bootlin, a year in review”

Internships for 2020 at Bootlin

Note: these internship positions have been filled. We can only accept new interns from mid-June 2020 on. Don’t hesitate to apply if you are interested. For 2020, Bootlin proposes five internship topics, this time open to all students from the European Union, studying in European Universities. All these topics will give you an opportunity to … Continue reading “Internships for 2020 at Bootlin”