Merge tag 'drm-intel-next-2026-07-28' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next

drm/i915 feature pull #2 for v7.3:

Features and functionality:
- Enable UHBR link rates on Thunderbolt tunneled links (Imre)
- Reduce Xe3+ PM demand peak bandwidth for power savings (Vinod)
- Add the blend mode property to all planes that support alpha blending (Chaitanya)
- Enable pipe DMC error interrupts for display 30+ (Dibin)
- Add KUnit tests for DP link config selection and fallback (Imre)

Refactoring and cleanups:
- Refactor DP link config selection and unify across use cases (Imre)
- Unify i915 and xe display runtime PM calls (Jani)
- Refactor BIOS framebuffer takeover (Ville)

Fixes:
- Fix HD audio on DP UHBR SST (Kai Vehmanen)
- Fixes to xe driver BIOS framebuffer takeover (Ville)
- Fix 2 pixels-per-clock CDCLK calculation to avoid underruns (Ville)
- Fix incorrectly set VSC SDP Main Stream Attribute (Chaitanya)
- Fix BPC and DSC selection for HDMI sinks (Alexander Kaplan)
- Fix PCON max FRL rate selection (Alexander Kaplan)
- Workaround Xe3P PSR2 screen corruption (Dibin)
- Fix NVL A & B stepping vtotal setting (Suraj)
- Fix xe DPT allocation paths (Maarten)
- Prefer system memory instead of stolen for new framebuffers in xe (Maarten)
- Fix transcoder mask sizes (John Harrison)
- Clear stale UV/Y plane DDB entries on plane disable (Vinod)
- Fix some DP AUX backlight control issues, again (Suraj)
- Fix switching between HDCP 1.4 and 2.2 authentication (Suraj)
- Remove unnecessary Xe2_LPD+ FBC plane width and surface size limits (Vinod)
- Ensure non-zero DSB safe window for PTL+ (Ankit)
- Fix bandwidth calculation to account for 16 DRAM channels (Uma)
- Fix NV12 ceiling division for bigjoiner case (Vidya)

DRM core changes:
- Add Thunderbolt UHBR tunneling support (Imre)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/cb1b5a644d75589cbcdcc8ec8160968140426439@intel.com

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