isl/state: Don't set SurfacePitch for gen9 1-D textures

This field is ignored by the hardware in this case and, on very large 1-D
textures, it can end up being larger than the maximum allowed value.

Reviewed-by: Chad Versace <chad.versace@intel.com>
Cc: "12.0" <mesa-stable@lists.freedesktop.org>

src/intel/isl/isl_surface_state.c

@@ -313,6 +313,9 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state,
        *    two rows interleaved."
        */
       s.SurfacePitch = info->surf->row_pitch * 2 - 1;
+   } else if (info->surf->dim_layout == ISL_DIM_LAYOUT_GEN9_1D) {
+      /* For gen9 1-D textures, surface pitch is ignored */
+      s.SurfacePitch = 0;
    } else {
       s.SurfacePitch = info->surf->row_pitch - 1;
    }