DRM_I915_REG_READ 413 include/uapi/drm/i915_drm.h #define DRM_IOCTL_I915_REG_READ DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_REG_READ, struct drm_i915_reg_read) DRM_I915_REG_READ 413 tools/include/uapi/drm/i915_drm.h #define DRM_IOCTL_I915_REG_READ DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_REG_READ, struct drm_i915_reg_read)