Merge tag 'drm-intel-next-2026-01-15' of https://gitlab.freedesktop.org/drm/i915...

Merge tag 'drm-intel-next-2026-01-15' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next

Beyond Display:
 - Make 'guc_hw_reg_state' static as it isn't exported (Ben)
 - Fix doc build on mei related interface header (Jani)

Display related:
 - Fix ggtt fb alignment on Xe display (Tvrtko)
 - More display clean-up towards deduplication and full separation (Jani)
 - Use the consolidated HDMI tables (Suraj)
 - Account for DSC slice overhead (Ankit)
 - Prepare GVT for display modularization (Ankit, Jani)
 - Enable/Disable DC balance along with VRR DSB (Mitul, Ville)
 - Protection against unsupported modes in LT PHY (Suraj)
 - Display W/a addition and fixes (Gustavo)
 - Fix many SPDX identifier comments (Ankit)
 - Incorporate Xe3_LPD changes for CD2X divider (Gustavo)
 - Clean up link BW/DSC slice config computation (Imre)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/aWkNThVRSkGAfUVv@intel.com