Add VBT-based control for the eDP Pipe Joiner feature. Patch 1 parses a new VBT field (BSpec: 20142) that lets OEMs enable or disable joiner per panel. Patch 2 uses this field to decide joiner usage for eDP.
Also added decoding logic for the same in IGT intel_vbt_decode tool: https://patchwork.freedesktop.org/patch/697477/?series=159805&rev=1 Ankit Nautiyal (2): drm/i915/vbt: Add edp pipe joiner enable/disable bits drm/i915/dp: Avoid joiner for eDP if not enabled in VBT drivers/gpu/drm/i915/display/intel_bios.c | 4 ++++ drivers/gpu/drm/i915/display/intel_display_types.h | 1 + drivers/gpu/drm/i915/display/intel_dp.c | 5 +++++ drivers/gpu/drm/i915/display/intel_vbt_defs.h | 1 + 4 files changed, 11 insertions(+) -- 2.45.2
