The mechanism for selecting dispatch modes has changed from previous
platforms, add a new implementation brw_wm_state_simd_width_for_ksp()
using the new kernel dispatch controls.
[ Francisco Jerez: Split from a larger patch, handle multipolygon
dispatch, add additional comments. ]
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26606>