SI_CRTC2_REGISTER_OFFSET  127 drivers/gpu/drm/amd/amdgpu/si_enums.h #define SI_CRTC2_REGISTER_OFFSET                0x2600
SI_CRTC2_REGISTER_OFFSET 1996 drivers/gpu/drm/amd/amdgpu/sid.h #define SI_CRTC2_REGISTER_OFFSET                0x2600 //(0x105f0 - 0x6df0)/4