This hasn't ever been a problem in the past but it is recommended by the hardware docs. --- src/intel/isl/isl_surface_state.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c index 0d26619..fe0402f 100644 --- a/src/intel/isl/isl_surface_state.c +++ b/src/intel/isl/isl_surface_state.c @@ -277,6 +277,14 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state, s.MIPCountLOD = MAX(info->view->levels, 1) - 1; } +#if GEN_GEN >= 9 + /* We don't use miptails yet. The PRM recommends that you set "Mip Tail + * Start LOD" to 15 to prevent the hardware from trying to use them. + */ + s.TiledResourceMode = NONE; + s.MipTailStartLOD = 15; +#endif + const struct isl_extent3d image_align = get_image_alignment(info->surf); s.SurfaceVerticalAlignment = isl_to_gen_valign[image_align.height]; s.SurfaceHorizontalAlignment = isl_to_gen_halign[image_align.width]; -- 2.5.0.400.gff86faf _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev