The first big pile of changes for v4.21/v5.1: - DP Display Stream Compression preliminary work, helpers, etc. (Manasi, Anusha) - Fix flex IO lane count programming (Manasi) - GEM selftest updates (Chris, Matthew) - ICL DSI enabling (Madhav, Jani) - CSR firmware definition cleanup (Jani) - CSR ICL stepping info, DC5/DC6 debugfs info (Jyoti) - intel_display.c cleanups and code movement (Jani, Ville) - PSR fixes and cleanup, enable PSR1 by default on gen9+ (José, Dhinakaran) - Perf updates (Lionel) - DP MST fixes (Lyude) - Improved DP MST support logging (Ville) - ICL workarounds (Oscar, Radhakrishna, Lucas, Anuj) - Workaround cleanups (Rodrigo) - HDCP 2.2 prep work (Ramalingam) - AVI infoframes for LSPCON (Shashank) - CRTC output formats YCBCR 4:2:0 and 4:4:4 (Shashank) - ICL PLL refactoring (Vandita) - Watermark fixes (Paulo) - Master intr fixes (Mika) - Amberlake platform (José, Shawn) - Ensure HDA suspend/resume ordering (Imre) - eDP orientation quirks (Hans) - DP detect and link retrain fixes and cleanups (Dhinakaran) - GuC fixes, cleanups and selftests (Daniele, Michal, Chris) - ICL combophy/TC fixes and cleanups (Mahesh, Lucas, José) - ICL RGB565 90/270 plane rotation (Juha-Pekka) - HDMI 2.0 audio N values (Clint) - Aux channel refactoring, ICL aux power fixes (Imre) - Opregion suspend/resume improvement (Chris) - Sort platform if ladders newest-to-oldest (Rodrigo) - IPC fixes (José) - PCH reset handshake fixes for PCH NOP (José) - Store available engine masks in intel info (Tvrtko) - Fix video DIP register definitions (Dhinakaran) - ICL planar formats, NV12 (Maarten) - Plane alpha blending support (Maarten) - crtc->config usage removal cleanups (Maarten) - Plane init cleanups (Ville) - Use BITS_PER_TYPE (Chris) - Remove i915.enable_ppgtt override (Chris) - Scheduling priority improvements (Chris) - Fix GTT 64-bit computations on 32-bit systems (Chris) - A number of display fixes all around... (Ville) - A number of GEM fixes all around... (Chris) - Tons of other fixes and improvements (Everyone) - Failure to properly credit everyone in the above changelog (Jani)