Enable it directly in the preamble, but do not enable line on Polaris10/11/12 because there is a hw bug.
There is possibly an issue when MSAA is off, but this doesn't regress any CTS and AMDVLK doesn't have a workaround as well.
d53dff3bfc radv: enable the Polaris small primitive filter control
src/amd/vulkan/si_cmd_buffer.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)