g3dctl 100 drivers/gpu/drm/i915/i915_drv.c u32 g3dctl; g3dctl 2271 drivers/gpu/drm/i915/i915_drv.c s->g3dctl = I915_READ(VLV_G3DCTL); g3dctl 2356 drivers/gpu/drm/i915/i915_drv.c I915_WRITE(VLV_G3DCTL, s->g3dctl);