DRM_SCANOUTPOS_ACCURATE  573 drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h #define DRM_SCANOUTPOS_ACCURATE     (1 << 2)
DRM_SCANOUTPOS_ACCURATE  690 drivers/gpu/drm/radeon/radeon_mode.h #define DRM_SCANOUTPOS_ACCURATE     (1 << 2)