DRM_SCANOUTPOS_VALID  571 drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h #define DRM_SCANOUTPOS_VALID        (1 << 0)
DRM_SCANOUTPOS_VALID  688 drivers/gpu/drm/radeon/radeon_mode.h #define DRM_SCANOUTPOS_VALID        (1 << 0)