radv: set ac_surf_info::num_channels correctly
num_channels has been introduced since "ac/surface: don't set the display flag for obviously unsupported cases". Based on RadeonSI. Fixes: e29facff ("ac/surface: don't set the display flag for obviously unsupported cases (v2)") Cc: 18.1 <mesa-stable@lists.freedesktop.org> Signed-off-by:Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by:
Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> (cherry picked from commit d7ffe3b3)