Kernel: 10-Bit Colour, AMD, IDE Drivers, Intel, and More
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The Linux Desktop Could "Soon" Get Support For Vulkan With 10-Bit Color Enabled
Enabling 10-bit color is a non-issue on proprietary operating systems. That is far from being the case on the GNU/Linux desktop. Enabling 10-bit color on GNU/Linux is easy enough, but things like the Vulkan graphics API, the Steam games store and launcher, the KDE Plasma and Deepin desktop environments and Chromium hardware acceleration do not work. mpv developer Niklas Haas has submitted patches to the Mesa graphics stack that make it possible to run Vulkan games and applications on GNU/Linux desktops when 10-bit color is enabled.
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AMD Sends In Aldebaran, FreeSync HDMI, Other Graphics Changes For Linux 5.13
AMD on Friday submitted a big batch of AMDGPU driver changes to DRM-Next ahead of next month's Linux 5.13 merge window.
This was a big set of feature changes in the works for Linux 5.13 and with this pull request some of the user noteworthy items include:
- Initial support for Aldebaran, the next-gen CDNA GPU. At the end of February, AMD began posting the open-source Linux driver patches around Aldebaran as a new CDNA GPU following LLVM code appearing for GFX90A. Linux 5.13 will have initial support for Aldebaran.
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Linux Looks To Finally Remove Its Legacy IDE Driver Support - Phoronix
It's 2021 and proposed patches by upstream developers would finally remove Linux's legacy IDE driver code.
The proposed code is for removing the legacy IDE driver support from the mainline kernel tree, likely beginning with the 5.13 kernel assuming all goes as planned. It was two years ago that the legacy IDE driver code was deprecated and marked for removal in 2021... We are now well into 2021, so Christoph Hellwig is following through and looking to have that removed.
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Intel Tweaking Ice Lake Xeon Linux Power Management Code For Higher C6 Latency - Phoronix
While Intel upstreamed their forthcoming "Ice Lake" Xeon processor support long ago and has been focused on next-gen Sapphire Rapids enablement now for the better part of the past year, there still are some Ice Lake Xeon tweaks taking place here and there. This week a new bleeding-edge patch is in testing for tweaking the power/performance behavior of Ice Lake Xeon with Intel's idle driver.
For hitting the C6 low-power state with Intel's Ice Lake Xeon there are higher costs involved than existing Xeon processors. The C6 exit latency as the maximum time it takes the CPU from entering an idle state to executing the first instruction after a wake-up from that state has been increased. The Ice Lake Xeon C6 exit latency within the Intel Idle driver was at 128 micro-seconds but now has been bumped up to 170 microseconds. The exit latency change was attributed to using the median latency previously rather than worst-case latency, Meanwhile Xeon Scalable Skylake / Cascade Lake has a exit latency of 133 microseconds with this "intel_idle" driver.
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AMDVLK 2021.Q1.6 Released With Radeon RX 6700 XT Support
Following yesterday's release of the Radeon RX 6700 XT graphics card and the updated Radeon Software for Linux 20.50 driver, AMD has now released AMDVLK 2021.Q1.6 as their updated open-source Vulkan driver with Navi 22 / RX 6700 XT support.
AMDVLK 2021.Q1.6 as the company's official open-source AMD Vulkan driver on Linux systems now carries RX 6700 XT / Navi 22 support. This is, of course, contingent upon AMDGPU support in the Linux kernel DRM driver which as outlined in my earlier review is in good shape for Linux 5.11+, assuming you have the Navy Flounder AMDGPU firmware files present on your system.
Mesa has already been exposing RX 6700 XT support for both its RADV Vulkan driver and RadeonSI OpenGL driver. See the Radeon RX 6700 XT Linux review for the Mesa-based benchmarks and other driver support details.
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