panfrost: Use more tilebuffer sizes

This will be needed for 8x MRT with 128-bit framebuffer formats.

Adds support for 256-bit, 1024-bit, and 2048-bit tilebuffer allocations,
depending on the amount of data required.

v2: Squash commits (Alyssa)

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5892>
1 file changed