drm/amdgpu: add nbio set_reg_remap helper

Will be used to consolidate reg remap settings and fix HDP
flushes on systems with non-4K pages.

Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-04-14 12:56:03 -04:00
commit 0617cdde84