Extern or forward variable declaration at drivers/gpu/drm/i915/i915_irq.h, line 16 References: drivers/gpu/drm/i915/i915_drv.c, line 786 drivers/gpu/drm/i915/i915_drv.c, line 1064 drivers/gpu/drm/i915/i915_drv.c, line 1087 drivers/gpu/drm/i915/i915_drv.c, line 1111 drivers/gpu/drm/i915/i915_drv.c, line 1117 drivers/gpu/drm/i915/i915_drv.c, line 1132 drivers/gpu/drm/i915/i915_drv.c, line 1151 drivers/gpu/drm/i915/i915_drv.c, line 1166 drivers/gpu/drm/i915/i915_drv.c, line 1223 drivers/gpu/drm/i915/i915_drv.c, line 1291 drivers/gpu/drm/i915/i915_drv.c, line 1362 drivers/gpu/drm/i915/i915_drv.c, line 1776 drivers/gpu/drm/i915/i915_drv.h, line 828 drivers/gpu/drm/i915/i915_drv.h, line 1223 drivers/gpu/drm/i915/i915_drv.h, line 1693 drivers/gpu/drm/i915/i915_drv.h, line 1759 drivers/gpu/drm/i915/i915_drv.h, line 1762 drivers/gpu/drm/i915/i915_drv.h, line 1785 drivers/gpu/drm/i915/i915_drv.h, line 1790 drivers/gpu/drm/i915/i915_drv.h, line 1866 drivers/gpu/drm/i915/i915_gem.c, line 88 drivers/gpu/drm/i915/i915_gem.c, line 243 drivers/gpu/drm/i915/i915_gem.c, line 294 drivers/gpu/drm/i915/i915_gem.c, line 496 drivers/gpu/drm/i915/i915_gem.c, line 787 drivers/gpu/drm/i915/i915_gem.c, line 870 drivers/gpu/drm/i915/i915_gem.c, line 1021 drivers/gpu/drm/i915/i915_gem.c, line 1286 drivers/gpu/drm/i915/i915_getparam.c, line 11 drivers/gpu/drm/i915/i915_irq.c, line 767 drivers/gpu/drm/i915/i915_irq.c, line 830 drivers/gpu/drm/i915/i915_irq.c, line 3956 drivers/gpu/drm/i915/i915_irq.h, line 16 drivers/gpu/drm/i915/i915_perf.c, line 3689 drivers/gpu/drm/i915/i915_perf.c, line 3981 drivers/gpu/drm/i915/i915_perf.c, line 4134 drivers/gpu/drm/i915/i915_query.c, line 430 drivers/gpu/drm/i915/intel_pm.c, line 5334 drivers/gpu/drm/i915/intel_pm.c, line 6181 drivers/gpu/drm/i915/intel_uncore.c, line 1904