Graphics: *BSD DRM [Direct Rendering Manager], AMD Sienna Cichlid

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DRM [Direct Rendering Manager] update committed
Jonathan Gray (jsg@) has just committed an update to the DRM code to the tree. This update brings support for newer AMD and Intel graphics parts.
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AMD Sienna Cichlid GPU support added to Radeon Linux driver
The numerous AMD Sienna Cichlid GPU patches definitely provide hints of a next generation GPU. It has signs of being Navi based with "new VCN 3.0 capabilities for video encoding and DCN3 on the display front." Furthermore, it includes a number of alterations compared to existing Navi supporting code.
Phoronix notes that its initial data mining of the 207 patches show that they mainly leverage the existing Navi code paths. Several changes represent "the usual churn surrounding firmware, clock-gating / power management differences," when new hardware lines are added, it is observed. The major changes spotted thus far are in the aforementioned VCN 3.0 media engine and DCN3 display engine. Phoronix says it will continue to poke through the code for anything enlightening.
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Radeon Navi 2 "Sienna Cichlid" Published For AMD's OpenGL Driver
Last week AMD's open-source Linux engineers published the initial Linux kernel driver patches for the "Sienna Cichlid" GPU that appears to be almost definitely the big Navi 2. Now that those AMDGPU patches are public, the folks working on the user-space drivers have had the go-ahead to begin volleying their related patches for Sienna Cichild. Out today is the RadeonSI OpenGL driver support for this next-generation Navi GPU.
Posted today as a new MR for Mesa is the RadeonSI patches and common Mesa code for supporting Sienna Cichlid.
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