intel/isl: Allow multi-sample on depth aux usage (xe2)
What does this MR do and why?
intel/isl: Allow multi-sample on depth aux usage (xe2)
The restriction on depth aux mode is gone on Xe2 in spec.
Fix: piglit
arb_post_depth_coverage-multisampling -auto -fbo
isl_surface_state.c:723: isl_gfx20_surf_fill_state_s:
Assertion `info->surf->samples == 1' failed.
Signed-off-by: Jianxun Zhang <jianxun.zhang@intel.com>