Defined in 2 files as a macro:

• drivers/gpu/drm/i915/gt/intel_gt_regs.h, line 907 (as a macro)
• drivers/gpu/drm/xe/regs/xe_engine_regs.h, line 66 (as a macro)

Referenced in 2 files:

• drivers/gpu/drm/i915/gt/intel_engine_pm.c, line 27
• drivers/gpu/drm/xe/xe_hw_engine.c, line 441